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'''''Saxifraga''''' is a [[genus]] containing about 440 known [[species]] of [[Holarctic]] [[perennial plant]]s, making it the largest genus in the family [[Saxifragaceae]]. They are commonly called '''saxifrages''' or '''stone-breakers'''. The Latin word ''Saxifraga'' means literally "stone-breaker", from [[Latin]] ''saxum'' "rock" or "stone" + ''frangere'' "to break". This refers to certain saxifrages' ability to settle in the cracks of rocks, which they may in fact wear down by [[bioerosion]] to the point of splitting. The genera ''[[Saxifragopsis]]'' (saxifragopsises), ''[[Saxifragella]]'' and the [[monotypic]] ''[[Chondrosea]]'' (Pyramidal Saxifrage) are sometimes included in ''Saxifraga''.<ref name = usda2005 /> Most saxifrages are smallish plants whose [[leaf|leaves]] grow close to the ground, often in a [[Rosette (botany)|rosette]]. The leaves typically have a more or less incised margin; they may be [[succulent]], needle-like and/or hairy, reducing [[evaporation]]. [[Charles Darwin]] – erroneously believing ''Saxifraga'' to be allied to the sundew family ([[Droseraceae]]) – suspected the sticky-leaved [[Round-leaved Saxifrage]] (''[[Saxifraga rotundifolia|S. rotundifolia]]''), [[Rue-leaved Saxifrage]] (''S. tridactylites'') and [[Pyrenean Saxifrage]] (''[[Saxifraga umbrosa|S. umbrosa]]'') to be [[protocarnivorous plant]]s and conducted some [[experiment]]s whose results supported his observations,<ref>Darwin (1875)</ref> but the matter has apparently not been studied since his time. The [[inflorescence]]s or single flowers are raised above the main plant body at flowering time on stalks devoid of true leaves. The small [[actinomorphic flower|actinomorphic]] [[hermaphrodite]] flowers have five [[petal]]s and [[sepal]]s and are usually white, but red to yellow in some species. As in other primitive [[eudicot]]s, some of the 5 or 10 [[stamen]]s may appear petal-like. Saxifrages are typical inhabitants of [[arctic-alpine]] [[ecosystem]]s, and are hardly ever found outside the [[temperate]] parts of the [[Northern Hemisphere]]; most members of this genus are found in [[subarctic]] climates. A good number of species grow in [[glacial]] habitat, such as ''[[Saxifraga biflora|S. biflora]]'' which can be found some 4,000 meters [[Above mean sea level|ASL]] in the [[Alps]], or the [[East Greenland Saxifrage]] (''[[Saxifraga nathorstii|S. nathorstii]]''). The genus is also abundant in the [[Eastern Himalayan alpine shrub and meadows|Eastern]] and [[Western Himalayan alpine shrub and meadows]]. Though the archetypal saxifrage is a small plant [[cushion plant|huddling between rocks]] high up on a mountain, many species do not occur in such [[habitat]] and are larger (though still rather delicate) plants found on wet [[meadow]]s. Among those saxifrages found outside mountaineous, subarctic or glacial regions, [[Starry Saxifrage]] (''S. stellaris'') is often seen alongside [[Fountain Apple-moss]] (''[[Philonotis fontana]]'') at [[spring (hydrosphere)|springs]] in [[Ireland]], [[Great Britain|Britain]], and other parts of [[Western Europe]]. In the same regions, [[Yellow Mountain Saxifrage]] (''S. aizoides'') is typically found in [[calcifugous]] [[grassland]] of the northern uplands together with [[Smooth Lady's-mantle]] (''[[Alchemilla glabra]]''), as well as (less abundantly) on upland [[calcicolous]] [[pastures]] characterized by [[Common Bent]] (''Agrostis capillaris''), [[Bendy Ditrichum]] [[moss]] (''[[Ditrichum flexicaule]]''), [[Sheep's Fescue]] (''Festuca ovina'') and [[Mother-of-Thyme]] (''Thymus praecox''). But it is also a common sight in [[acidic]] [[mire]]s with rich growth of the [[sedge]] ''[[Carex demissa]]''. {{Inc| [[File:Saxifraga umbrosa a3.jpg|thumb|right|[[Pyrenean Saxifrage]] (''[[Saxifraga umbrosa|S. umbrosa]]''), ancestor to [[horticultural]] [[hybrid (biology)|hybrid]] saxifrages]] [[File:Saxifraga rotundifolia a1.jpg|thumb|left|[[Round-leaved Saxifrage]] (''[[Saxifraga rotundifolia|S. rotundifolia]]''), whose sticky leaves seem to catch small [[invertebrate]]s]] Saxifraga (Latin, rock and to break; said by some to refer to the fact that many of the species grow in clefts of rock, by others to the supposition that certain species would cure stone in the bladder). Including Bergenia and Peltiphyllum, genera which are maintained as distinct by Engler in his last treatment of the group. Saxifragaceae. Saxifrage. Rockfoil. Chiefly perennial herbs, but a few species are annual and a few others biennial, while some others are subshrubby; useful for border planting, rockeries, and alpine gardens, and much prized by fanciers, particularly abroad. Plants usually with more or less developed caudicles which are either above or below ground: lvs. commonly clustered at the base and most often alternate on the sts., very variable in shape: infl. paniculate, corymbose, racemose or solitary: fls. as a rule not large, white, yellow, red, pink, or purple; calyx either free from or partly adnate to the base of the ovary, the tube short or elongated, 5-cleft or 5-parted; petals usually equal but occasionally decidedly unequal; stamens 10, rarely 5: fr. a 2-beaked, 2-celled caps. opening down or between the beaks, or sometimes 2 almost separate follicles; seeds numerous.—About 400 species from a horticultural viewpoint or approximately 250 botanically speaking. Temperate (principally alpine) and northern boreal regions, rare in Asia, very few in S. Amer. and lacking in Austral., S. Afr., and the Pacific islands. In preparing the following treatment of the genus and in the arrangement of species, Engler, in Engler & Prantl's Pflanzenfamilien, has been followed with the exception above mentioned, while the specific delimitation is largely based on Engler's Monographie der Gattung Saxifraga, 1872, with cultural and other horticultural information drawn from Irving & Malby's Saxifrages. The true saxifrages, so-called (excluding Bergenia and Peltiphyllum), have been separated into several genera at different times. The horticultural species mentioned in this treatment which are native of N. Amer. have been divided among the following genera: Saxifraga, Muscaria, Chondrosea, Micranthes, Spatularia, Leptasea, Heterisia, Peltiphyllum and Antiphylla. See Small in N. Amer. Fl., vol. 22, pt. 2, 1907. Saxifrages are various in habit and stature, but they are mostly low and spreading with rosulate or tufted root-leaves. Most of the species in cultivation are grown as rock-garden plants, although the large-leaved members of the Megasea or Bergenia section are sometimes used as border plants. Owing to the small attention given to rock- and alpine-gardening in America, the saxifrages are little known to our horticulturists. Most of them are abundantly hardy as to frost, but are likely to suffer from the dryness and heat of the American summer. Partial shade in summer is essential for the best results with most of the species. In winter the stools should be given ample covering of leaves. The most useful kinds for this country are the species of the Megasea section. These are low plants of bold habit, and are admirably adapted for rockwork and for spring forcing under glass. Fig. 1819, Vol. III, shows a clump of these plants in the lower left-hand comer. The alpine species are mostly dwarf plants with more or less persistent foliage. Many of them, as S. oppositifolia, make dense moss-like mats; others, of which S. Aizoon may be taken as a cultural type, produce a dense rosette of leaves at the surface of the ground, from which arises a flower-scape. Some of these forms are very interesting because of the vari-colored or silvery effect produced by natural incrustations of lime on the leaves, particularly on the leaf-edges. Give shade. Most saxifrages make stolons and offshoots freely, and by these the plants are easily propagated; they are also increased by division. Some make bulblets and multiply in this manner. The number of species of saxifrage cultivated abroad in rockeries and alpine-gardens is very large and there are many fanciers who have made very large collections of them. The following account has attempted to include those species which are in more general cultivation, although there are numerous others which occur in some of the collections, and it includes the better known hybrids and certain seedlings. A large part of these species are either very rare or lacking in American gardens. Very few of the species have been modified to any extent under domestication. S. atrovirens, Hort., is offered in the trade as a form growing 6 in. high, with white fls. Probably belongs in Section Dactyloides.—S. Bakeri, Hort., is one of the smaller mossy saxifrages with vivid green foliage, a plant of compact habit with rich carmine or rose fls. Probably belongs in Section Dactyloides.—S. Boykei, Hort., is offered in the trade.—S. capillaris, Hort., is offered in the trade as a white-fld. species. -S. carniolica, Hort., is offered in the trade and said to have white fls.—S. caryophylla, Hort., is offered in the trade as one of the easiest to grow, fls. white. Perhaps a misspelling of coriophylla, which is a variety of S. Rocheliana.—S. circuenta, Hort., is said to have silvery braided foliage and pretty little panicles of white fls. borne on sts. 4 in. high. It belongs to Section Euaizoonia.—S. cristata hybrida, Hort., is offered in the trade as a form growing 6 in. high, with white fls. Probably a form of S. Aizoon near var. paradoxa.—S. elatior, Mert. & Koch- S. Hostii.—S. elatior, of German authors – S. altissima.—S. elatior, Wimm.-S. Aizoon var. major.— S. Ganolini, Hort., is offered in the trade as growing 6 in. high with white fls.—S. Haworthii, Hort., forms cushions of rather pale green, about 6 in. high, the growth being packed and somewhat rounded at the top: fls. pure white and numerous. Probably belongs in Section Dactyloides.—S. Hectori, Hort., is offered in the trade.— S. hybrida, Hort., not others – S. decipiens.—S. hybrida, Haw.-.S. hypnoides.—S. incurvifolia, Hort., not Don, is listed as belonging to the encrusted section and as having white fls.—S. incurvifolia, Don, is a variety of S. cespitosa.—S. laevis, Hort.(?) of Bieb. and of Oettingen. The plant in cult. under this name belongs to Section Trachyphyllum and has a spreading habit like S. aizoides with loose rosettes of narrow elliptic-oval lvs.: fl.-sts. about 2 in. high, tinged crimson below and bearing each 4-6, not large, rich yellow fls. Caucasus. Requires a moist situation.—S. laevis, Bieb., also from Caucasus, is placed in Section Kabschia by Engler, but by several other authors is said to be close to S. Aizoon or S. aizoides and may be the same as the plant in cult.; if not the one now grown as S. laevis must receive a new name.—S. laevis, Oettingen, seems to be the same as that of Bieb. as far as the description is concerned; the plants have not been seen.—S. leans, Hort., is offered in the trade as a very compact form, 6 in. high, with white fls. Probably belongs in Section Dactyloides.—S. Lindesiana, Hort., also spelled Lindisiana, is offered in the trade as a mossy species with white fls. Perhaps belongs in Section Dactyloides.—S. lingueformis, Hort., is offered in the trade.—S. palmata, Hort., is uncertain and seems to be sometimes S. decipiens, sometimes S. geranioides. Var. foliis variegatis is a variety of one of these species with variegated foliage.—S. paradoxa, Hort., is described in a trade-list as a beautiful member of the Aizoon group with long and "braided" foliage. Presumably a natural hybrid between S. crustata and S. Hostii. Considered by some as a variety of S. Aizoon, which see.—S. paradoxa, Kit.-S. moschata var. pygmaea.—S. pectinata, Pursh-Luetkea pectinata, Kuntze.— S. pedatifida, Hort., is offered in the trade as a white-fld. species.—S. Pseudo-Fosteri, Hort., is offered in the trade as a hybrid of the encrusted section. Var. sancta, Hort., is offered in the trade as an early yellow-fld. form.—S. pyrolifolia, Don – Leptarrhena pyrolifolia. R. Br.—S. Ringeana, Hort.. is offered in the trade as a dwarf plant of spreading habit, growing 4 in. high and having white fls. Probably belongs in Section Dactyloides.—S. rupestris, Lapeyr.- S. ascendens.—S. rupestris, Salisb. – S. hypnoides. Which of these the material offered in the trade as a very compact plant growing 6 in. high, with white fls. cannot be determined with certainty, though probably the second as it is said to belong to the mossy section.—S. Schroederi, Hort., is offered in the trade as allied to S. ceratophylla which is a variety of S. trifurcata, a species of Section Dactyloides.—S. sexemifida, Hort., is offered in the trade. S. Sibthorpii, Boiss. Fig. 3558. Of the Cymbalaria group: perennial, cespitose, with reniform long-stalked obtuse- lobed lvs. and small yellowish fls.: petals ovate-elliptic. A good rock-plant, but seems not to be in the trade.—S. Stansfieldi, Wm. Robinson, is said to have a close-growing habit, dark green foliage and white fls. borne on sts. 4 in. high. Perhaps it belongs in Section Dactyloides.—S. stellata, Hort., not Pav., is offered in the trade as a white-fld. mossy plant, 1 ft. high. This is unquestionably not the stellata of Pavon which is the Peruvian representative of S. cespitosa and grows scarcely 1 in. high. —S. stenoglossa, Tausch. Lvs. of the rosette rather erect, cuneate or cuneate-linear, acute, serratures narrow, the lower ones spreading, the uppermost contiguous, with the terminal tooth slightly protruding. A plant is offered under this name, but whether the same as the indeterminable Tausch species it is impossible to say. The above given description is a translation of the original of Tausch.—S. Tantianae, Hort., is offered in the trade.—S. taxiophylla, Hort., is offered in the trade as a white-fld. species. Var. persifolia, Hort., is also offered.—S. tenuifolia, Hort., is offered in the trade as growing 6 in. high, with white fls. Probably belongs in Section Dactyloides.—S. Van Houttei, Hort., is offered in the trade. It belongs to Section Bergenia and has light pink fls.—S. venetica, Hort., is offered in the trade as a species with minute tufts and primrose-yellow fls. belonging in the encrusted section.—S. Webbiana, Hort., is offered in the trade. Possibly belongs in Section Dactyloides. {{SCH}} }} ==Cultivation== ===Propagation=== ===Pests and diseases=== ==Varieties== [[File:Saxifraga caesia a1.jpg|thumb|right|''[[Saxifraga caesia]]'']] [[File:Saxifraga cuneifolia3.jpg|thumb|right|[[Lesser London Pride]] (''[[Saxifraga cuneifolia]]'')]] [[File:Saxifraga decipiens White V08 H3990.jpg|thumb|right|''[[Saxifraga decipiens]]'']] [[File:Saxifraga integrifolia 39103.JPG|thumb|right|[[Northwestern Saxifrage]] (''[[Saxifraga integrifolia]]'')]] [[File:Saxifraga rosacea 01.jpg|thumb|right|[[Irish Saxifrage]] (''[[Saxifraga rosacea]]'')]] [[File:Saxifraga tolmiei 23141.JPG|thumb|right|[[Tolmie's Saxifrage]] (''[[Saxifraga tolmiei]]'')]] [[File:Saxifraga tricuspidata upernavik 2007-07-15 1 filtered.jpg|thumb|right|[[Prickly Saxifrage]] (''[[Saxifraga tricuspidata]]'') flowers]] [[Section (botany)|Section]]s: ''[[Ciliatae]]''<br /> ''[[Cotylea]]''<br /> ''[[Cymbalaria (Saxifraga section)|Cymbalaria]]''<br /> ''[[Gymnopera]]'' (London Pride saxifrages)<br /> ''[[Heterisia]]''<br /> ''[[Irregulares]]''<br /> ''[[Ligulatae]]'' (Silver saxifrages)<br /> ''[[Merkianae]]''<br /> ''[[Mesogyne (Saxifraga section)|Mesogyne]]''<br /> ''[[Micranthes]]''<br /> ''[[Odontophyllae]]''<br /> ''[[Porphyrion (Saxifraga section)|Porphyrion]]''<br /> ''[[Mossy saxifrages|Saxifraga]]'' (Mossy saxifrages)<br /> ''[[Trachyphyllum]]''<br /> ''[[Xanthizoon]]''<br /> Selected species: <div float="left"> {{col-begin|width=70%}} {{col-1-of-2}} * ''[[Saxifraga adscendens]]'' – [[Ascending Saxifrage]] * ''[[Saxifraga aizoides]]'' – [[Yellow Mountain Saxifrage]], Yellow Saxifrage * ''[[Saxifraga aizoon]]'' * ''[[Saxifraga algisii]]'' * ''[[Saxifraga anadyrensis]]'' * ''[[Saxifraga andersonii]]'' * ''[[Saxifraga androsacea]]'' * ''[[Saxifraga aquatica]]'' * ''[[Saxifraga aphylla]]'' * ''[[Saxifraga arachnoidea]]'' * ''[[Saxifraga aretioides]]'' * ''[[Saxifraga aspera]]'' * ''[[Saxifraga biflora]]'' * ''[[Saxifraga bronchialis]]'' <small>L.</small> – [[Matte Saxifrage]] * ''[[Saxifraga bryoides]]'' <small>Greene</small> * ''[[Saxifraga caesia]]'' * ''[[Saxifraga californica]]'' * ''[[Saxifraga callosa]]'' <small>Sm.</small> * ''[[Saxifraga canaliculata]]'' * ''[[Saxifraga careyana]]'' * ''[[Saxifraga carpatica]]'' * ''[[Saxifraga cernua]]'' – [[Drooping Saxifrage]], Nodding Saxifrage, Bulblet Saxifrage * ''[[Saxifraga cervicornis]]'' * ''[[Saxifraga cespitosa]]'' – [[Tufted Saxifrage]] * ''[[Saxifraga ciliata]]'' * ''[[Saxifraga cochlearis]]'' * ''[[Saxifraga columnaris]]'' <small>Schmalh.</small> * ''[[Saxifraga corsica]]'' * ''[[Saxifraga cuneifolia]]'' – [[Lesser London Pride]] * ''[[Saxifraga cymbalaria]]'' – [[Celandine Saxifrage]] * ''[[Saxifraga decipiens]]'' * ''[[Saxifraga dinnikii]]'' <small>Schmalh.</small> * ''[[Saxifraga eschscholtzii]]'' – [[Cushion Saxifrage]] * ''[[Saxifraga exarata]]'' * ''[[Saxifraga ferruginea]]'' <small>Graham</small> – [[Rustyhair Saxifrage]] * ''[[Saxifraga flagellaris]]'' <small>Willd.</small>{{Verify source|date=January 2009}}<!-- "Willd. ex Sternb."? Leave author here because scientific name is ambiguous --> – [[Whiplash Saxifrage]], Spider Saxifrage, "[[spider plant]]" * ''[[Saxifraga florulenta]]'' * ''[[Saxifraga foliolosa]]'' – [[Leafy Saxifrage]] * ''[[Saxifraga forbesei]]'' * ''[[Saxifraga fortunei]]'' <small>Hook.f.</small> * ''[[Saxifraga gaspensis]]'' – [[Gaspé Saxifrage]] * ''[[Saxifraga × gaudinii]]'' * ''[[Saxifraga × geum]]'' – [[Robertsoniana Saxifrage]] (''S. hirsuta × S. umbrosa'') * ''[[Saxifraga globulifera]]'' * ''[[Saxifraga granulata]]'' – [[Meadow Saxifrage]] * ''[[Saxifraga groenlandica]]'' * ''[[Saxifraga hartii]]'' * ''[[Saxifraga hederacea]]'' * ''[[Saxifraga hieracifolia]]'' – [[Hawkweed-leaved Saxifrage]], Stiff-stemmed Saxifrage * ''[[Saxifraga hirculus]]'' <small>L.</small> – [[Yellow Marsh Saxifrage]], [[Marsh Saxifrage]], "bog saxifrage" * ''[[Saxifraga hirsuta]]'' – [[Kidney Saxifrage]] * ''[[Saxifraga hostii]]'' * ''[[Saxifraga hyperborea]]'' – [[Pygmy Saxifrage]] * ''[[Saxifraga hypnoides]]'' – [[Mossy Saxifrage]], [[Dovedale Moss]] * ''[[Saxifraga integrifolia]]'' – [[Northwestern Saxifrage]] * ''[[Saxifraga juniperifolia]]'' * ''[[Saxifraga korshinskii]]'' <small>Kom.</small> * ''[[Saxifraga lactea]]'' <small>Turcz.</small> * ''[[Saxifraga longifolia]]'' * ''[[Saxifraga lyallii]]'' <small>Engl.</small> – [[Redstem Saxifrage]] {{col-2-of-2}} * ''[[Saxifraga maderensis]]'' * ''[[Saxifraga mertensiana]]'' – [[Mertens' Saxifrage]] * ''[[Saxifraga michauxii]]'' – [[Michaux's Saxifrage]] * ''[[Saxifraga micranthidifolia]]'' – [[Brook Lettuce]] * ''[[Saxifraga montana]]'' * ''[[Saxifraga moschata]]'' – [[Musky Saxifrage]], "mossy saxifrage" ** ''Saxifraga moschata'' ssp. ''basaltica'' * ''[[Saxifraga muscoides]]'' * ''[[Saxifraga mutata]]'' * ''[[Saxifraga nathorstii]]'' <small>(Dusén) Hayek</small> – [[East Greenland Saxifrage]] * ''[[Saxifraga nelsoniana]]'' <small>D.Don</small> – [[Heartleaf Saxifrage]] * ''[[Saxifraga nidifica]]'' – [[Peak Saxifrage]], "[[alpine saxifrage]]" * ''[[Saxifraga nipponica]]'' * ''[[Saxifraga nivalis]]'' – [[Snow Saxifrage]], "[[alpine saxifrage]]" * ''[[Saxifraga occidentalis]]'' – [[Western Saxifrage]] * ''[[Saxifraga odontoloma]]'' <small>Piper</small> – [[Streambank Saxifrage]] * ''[[Saxifraga oppositifolia]]'' – [[Purple Saxifrage]], Purple Mountain Saxifrage * ''[[Saxifraga oregana]]'' <small>Howell</small> – [[Bog Saxifrage]] * ''[[Saxifraga paniculata]]'' – [[White Mountain Saxifrage]] * ''[[Saxifraga pensylvanica]]'' <small>L.</small> – [[Swamp Saxifrage]] * ''[[Saxifraga petraea]]'' * ''[[Saxifraga platysepala]]'' – [[Broadsepal Saxifrage]] (= ''S. flagellaris <small>auct. non'' Willd.</small>) * ''[[Saxifraga porophylla]]'' * ''[[Saxifraga razshivinii]]'' – [[Razshivin's Saxifrage]] * ''[[Saxifraga redofskii]]'' – [[Many-flower Saxifrage]] * ''[[Saxifraga reflexa]]'' – [[Yukon Saxifrage]] * ''[[Saxifraga rhomboidea]]'' – [[Diamondleaf Saxifrage]] * ''[[Saxifraga rivularis]]'' – [[Alpine Brook Saxifrage]], [[Brook Saxifrage]], [[Highland Saxifrage]] * ''[[Saxifraga rosacea]]'' – [[Irish Saxifrage]]<!-- BiolConserv137:248. --> * ''[[Saxifraga rotundifolia]]'' <small>L.</small> – [[Round-leaved Saxifrage]] * ''[[Saxifraga roylei]]'' * ''[[Saxifraga rudolphiana]]'' * ''[[Saxifraga rufidula]]'' – [[Redwool Saxifrage]] * ''[[Saxifraga rufopilosa]]'' – [[Redhair Saxifrage]] * ''[[Saxifraga sancta]]'' * ''[[Saxifraga serpyllifolia]]'' – [[Thymeleaf Saxifrage]] * ''[[Saxifraga sibirica]]'' – [[Siberian Saxifrage]] * ''[[Saxifraga spathularis]]'' – [[Saint Patrick's Cabbage]] * ''[[Saxifraga spicata]]'' – [[Spiked Saxifrage]] * ''[[Saxifraga stansfieldii]]'' * ''[[Saxifraga stellaris]]'' – [[Starry Saxifrage]], Star Saxifrage * ''[[Saxifraga stolonifera]]'' – [[Creeping Saxifrage]], Strawberry Saxifrage, Creeping Rockfoil, Strawberry Begonia, Strawberry Geranium, "[[Aaron's beard]]" ** ''Saxifraga stolonifera'' f. ''aptera'' <small>(Makino) H.Hara</small> – ''hoshizaki-yukinoshita'' ([[Japanese (language)|Japanese]]) * ''[[Saxifraga subverticillata]]'' * ''[[Saxifraga taygetea]]'' * ''[[Saxifraga taylorii]]'' – [[Taylor's Saxifrage]] * ''[[Saxifraga tenella]]'' * ''[[Saxifraga tenuis]]'' – [[Ottertail Pass Saxifrage]] * ''[[Saxifraga tolmiei]]'' – [[Tolmie's Saxifrage]] * ''[[Saxifraga tombeanensis]]'' * ''[[Saxifraga tricuspidata]]'' <small>Rottb.</small> – [[Prickly Saxifrage]] * ''[[Saxifraga tridactylites]]'' – [[Rue-leaved Saxifrage]], "[[nailwort]]" * ''[[Saxifraga trifurcata]]'' * ''[[Saxifraga × urbium]]'' – [[London Pride (plant)|London Pride]] (''S. spathularis × S. umbrosa'') * ''[[Saxifraga umbrosa]]'' – [[Pyrenean Saxifrage]] * ''[[Saxifraga vandelli]]'' * ''[[Saxifraga virginiensis]]'' – [[Early Saxifrage]], Virginia Saxifrage * ''[[Saxifraga wahlenbergii]]'' * ''[[Saxifraga Hybrid Cultivars]]'' {{col-end}} </div> Formerly placed here: Plants formerly placed in ''Saxifraga'' are mainly but not exclusively [[Saxifragaceae]]. They include: [[File:Bergenia crassifolia a1.jpg|thumb|right|''[[Bergenia crassifolia]]'', like many of its [[congener]]s, was originally believed to be a saxifrage]] * ''[[Astilboides tabularis]]'', as ''S. tabularis'' * ''[[Bergenia crassifolia]]'', as ''S. cordifolia, S. crassifolia'' * ''[[Bergenia pacumbis]]'', as ''S. ligulata, S. pacumbis'' * ''[[Bergenia purpurascens]]'', as ''S. delavayi, S. purpurascens'' * ''[[Boykinia jamesii]]'', as ''S. jamesii'' * ''[[Boykinia occidentalis]]'' (Coastal Brookfoam), as ''S. elata'' * ''[[Boykinia richardsonii]]'' ([[Richardson's Brookfoam]]), as ''S. richardsonii'' * ''[[Chondrosea cotyledon]]'', as ''S. cotyledon'' * ''[[Darmera peltata]]'' (Indian Rhubarb), as ''S. peltata'' * ''[[Leptarrhena pyrolifolia]]'', as ''S. pyrolifolia'' * ''[[Luetkea pectinata]]'' (Partridgefoot), as ''S. pectinata'' * ''[[Mukdenia rossii]]'' (Mukdenia), as ''S. rossii'' [[File:Chrysosplenium oppositifolium 040508.jpg|thumb|right|Opposite-leaved Golden-saxifrage (''[[Chrysosplenium oppositifolium]]'']] Other "saxifragous" plants: [[File:Tunica saxifraga a1.jpg|thumb|right|[[Tunicflower]] (''[[Petrorhagia saxifraga]]'') resembles a saxifrage in [[habitus]]]] Several plant [[genera]] have names referring saxifrages although they might not be close relatives of ''Saxifraga''. They include: * [[Pyramidal Saxifrage]], ''Chondrosea cotyledon'' * [[Golden-saxifrage]]s, ''Chrysosplenium'' * [[Pimpinella|Burnet-saxifrage]]s, ''[[Pimpinella]]'' * [[Pepper-saxifrage]], ''[[Silaum silaus]]'' Some plants refer ''Saxifraga'' in their generic or [[specific name]]s, either because they are also "rock-breaking" or because they resemble members of the saxifrage genus: * ''[[Campanula saxifraga]]'' * ''[[Celmisia saxifraga]]'' <small>(Benth.) W.M.Curtis</small> * ''[[Cineraria saxifraga]]'' <small>DC.</small> * ''[[Dryopteris saxifraga]]'' * ''[[Petrorhagia saxifraga]]'' – [[Tunicflower]] * ''[[Pimpinella saxifraga]]'' – Burnet Saxifrage * ''[[Ptychotis saxifraga]]'' * ''[[Saxifragella]]'' * ''[[Saxifragodes]]'' * ''[[Saxifragopsis]]'' <small>Small</small> – [[saxifragopsis]]es ==Gallery== <gallery perrow=5> Image:Upload.png| photo 1 Image:Upload.png| photo 2 Image:Upload.png| photo 3 </gallery> ==References== <references/> *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963 <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> <!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 --> ==External links== *{{wplink}} {{stub}} __NOTOC__
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