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| {{SPlantbox | | {{SPlantbox |
| |familia=Crassulaceae | | |familia=Crassulaceae |
− | |genus=Sempervivum | + | |genus=Sempervivum |
| |species=arachnoideum | | |species=arachnoideum |
| |common_name=Cobweb houseleek | | |common_name=Cobweb houseleek |
| |name_ref=Flora - A Gardener's Encyclopedia | | |name_ref=Flora - A Gardener's Encyclopedia |
− | |habit=herbaceous | + | |habit=cacti-succulent |
| |habit_ref=Flora - A Gardener's Encyclopedia | | |habit_ref=Flora - A Gardener's Encyclopedia |
| |Max ht box=5 | | |Max ht box=5 |
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| |Max wd metric=in | | |Max wd metric=in |
| |width_ref=Flora - A Gardener's Encyclopedia | | |width_ref=Flora - A Gardener's Encyclopedia |
| + | |lifespan=perennial |
| |exposure=sun | | |exposure=sun |
| |sun_ref=Flora - A Gardener's Encyclopedia | | |sun_ref=Flora - A Gardener's Encyclopedia |
− | |features=flowers | + | |features=flowers, foliage |
| |flower_season=early summer, mid summer, late summer | | |flower_season=early summer, mid summer, late summer |
| |flower_ref=Flora - A Gardener's Encyclopedia | | |flower_ref=Flora - A Gardener's Encyclopedia |
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| |usda_ref=Flora - A Gardener's Encyclopedia | | |usda_ref=Flora - A Gardener's Encyclopedia |
| |max_zone=9 | | |max_zone=9 |
− | |image=Upload.png | + | |image=Sempervivum arachnoideum flowers 2.png |
− | |image_width=240
| + | |image_width=200 |
− | }}
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− | __NOTOC__{{Plantbox
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− | | name = ''LATINNAME'' <!--- replace LATINNAME with the actual latin name -->
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− | | common_names = <!--- if multiple, list all, if none, leave blank -->
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− | | growth_habit = ? <!--- tree, shrub, herbaceous, vine, etc -->
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− | | high = ? <!--- 1m (3 ft) -->
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− | | wide = <!--- 65cm (25 inches) -->
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− | | origin = ? <!--- Mexico, S America, S Europe, garden, etc -->
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− | | poisonous = <!--- indicate parts of plants which are known/thought to be poisonous -->
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− | | lifespan = <!--- perennial, annual, etc -->
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− | | exposure = ? <!--- full sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
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− | | water = ? <!--- frequent, regular, moderate, drought tolerant, let dry then soak -->
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− | | features = <!--- flowers, fragrance, fruit, naturalizes, invasive -->
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− | | hardiness = <!--- frost sensitive, hardy, 5°C (40°F), etc -->
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− | | bloom = <!--- seasons which the plant blooms, if it is grown for its flowers -->
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− | | usda_zones = ? <!--- eg. 8-11 -->
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− | | sunset_zones = <!--- eg. 8, 9, 12-24, not available -->
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− | | color = IndianRed
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− | | image = Upload.png <!--- Freesia.jpg -->
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− | | image_width = 240px <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical --> | |
− | | image_caption = <!--- eg. Cultivated freesias -->
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− | | regnum = Plantae <!--- Kingdom -->
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− | | divisio = <!--- Phylum -->
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− | | classis = <!--- Class -->
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− | | ordo = <!--- Order -->
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− | | familia = <!--- Family -->
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− | | genus =
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− | | species =
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− | | subspecies =
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− | | cultivar =
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| }} | | }} |
| + | '''''Sempervivum arachnoideum''''', sometimes known as '''cobweb houseleek''', is a perennial plant of the genus ''[[Sempervivum]]''. Its name ''arachnoideum'' refers to its furry central rosettes, resembling [[spider web]]s. |
| + | |
| + | ''S. arachnoideum'' is a low-growing, evergreen perennial, often cultivated in [[Garden design#Rock garden|rock garden]]s, that grows to 0.1m by 0.15m in full sun and well-drained soil. It flowers in July, with pink flowers that are raised on stems and hermaphrodite (having both male and female organs). |
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| {{Inc| | | {{Inc| |
− | <!--- ******************************************************* -->
| + | Sempervivum arachnoideum, Linn. (S. Hausmannii, Auersd., not Lehm. & Schnittsp. S. piliferum, Jord.). Cobweb or Spider-web Houseleek.. Barren rosettes 1/2 – 3/4 in. diam., the new ones crowded and sessile: lvs. about 50 to a rosette, oblong-cuneate, obscurely cuspidate, pale green, tips of nearly all the lvs. connected with long soft white hairs, outer lvs. tinted with red-brown on the back, about 3/8 in. long; cauline lvs. oblong-lanceolate, small, tips with a dense tuft of hairs: fl.-sts. 3-4 in. high including the dense few-fld. panicle: fls. 9-12-merous, about 1 in. across; calyx-segms. linear; petals lanceolate, bright red. S. Eu. Var. tomentosum, Cariot (S. tomentosum, Schnittsp. & Lehm. S. Webbianum, Hort.), has white tomentose rosettes, with more obovate-cuneate lvs. and the rosettes are flatter and more compact. Var. Hookeri, Hort., is offered in the trade. Var. minor, Hort., is offered in the trade. Var. rubrum, Hort., is offered in the trade. |
− | Sempervivum arachnoideum, Linn. (S. Hausmannii, Auersd., not Lehm. & Schnittsp. S. piliferum, Jord.). Cobweb or Spider-web Houseleek. Fig. 3601. Barren rosettes 1/2 – 3/4 in. diam., the new ones crowded and sessile: lvs. about 50 to a rosette, oblong-cuneate, obscurely cuspidate, pale green, tips of nearly all the lvs. connected with long soft white hairs, outer lvs. tinted with red-brown on the back, about 3/8 in. long; cauline lvs. oblong-lanceolate, small, tips with a dense tuft of hairs: fl.-sts. 3-4 in. high including the dense few-fld. panicle: fls. 9-12-merous, about 1 in. across; calyx-segms. linear; petals lanceolate, bright red. S. Eu. B.M. 68. G.L. 26:201. Gn. 78, p. 437. Var. tomentosum, Cariot (S. tomentosum, Schnittsp. & Lehm. S. Webbianum, Hort.), has white tomentose rosettes, with more obovate-cuneate lvs. and the rosettes are flatter and more compact. Var. Hookeri, Hort., is offered in the trade. Var. minor, Hort., is offered in the trade. Var. rubrum, Hort., is offered in the trade. | |
| {{SCH}} | | {{SCH}} |
| }} | | }} |
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| ==Cultivation== | | ==Cultivation== |
− | {{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line -->
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| ===Propagation=== | | ===Propagation=== |
− | {{edit-prop}}<!--- Type propagation info below this line, then delete this entire line -->
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| ===Pests and diseases=== | | ===Pests and diseases=== |
− | {{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line -->
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− | ==Species== | + | |
− | <!-- This section should be renamed Cultivars if it appears on a page for a species (rather than genus), or perhaps Varieties if there is a mix of cultivars, species, hybrids, etc -->
| + | ==Varieties== |
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| ==Gallery== | | ==Gallery== |
− | {{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery -->
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− | <gallery> | + | <gallery perrow=5> |
− | Image:Upload.png| photo 1
| + | File:Sempervivum arachnoideum flowers 1.png| photo 1 |
− | Image:Upload.png| photo 2
| + | File:Sempervivum arachnoideum1.JPG| photo 2 |
| Image:Upload.png| photo 3 | | Image:Upload.png| photo 3 |
| </gallery> | | </gallery> |
| | | |
| ==References== | | ==References== |
| + | <references/> |
| *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963 | | *[[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 *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> |
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| {{stub}} | | {{stub}} |
− | [[Category:Categorize]]
| + | __NOTOC__ |
− | | |
− | <!-- in order to add all the proper categories, go to http://www.plants.am/wiki/Plant_Categories and copy/paste the contents of the page here, and then follow the easy instructions! -->
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