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Geum (view source)

Revision as of 22:45, 10 September 2009

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__NOTOC__{{Plantbox
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| latin_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 -->
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| 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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| cultivar =
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{{Inc|
 
Geum (probably originally from Greek, geuo, to have a taste; referring to the roots). Rosaceae. Hardy border and rock plants, some of which are valued for their bright red flowers, some for their pure yellow flowers, others for their long plumy fruits.
 
Geum (probably originally from Greek, geuo, to have a taste; referring to the roots). Rosaceae. Hardy border and rock plants, some of which are valued for their bright red flowers, some for their pure yellow flowers, others for their long plumy fruits.
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The plumy kinds are all contained in the subgenus Sieversia. G. chiloense is the best species, and in the gardens is commonly seen in double forms. A gardener writes that "inferior forms show scarcely any duplicity." Geums are of easy culture, and are propagated by division or seed. It is said that they hybridize freely if grown together. The dwarf kinds are suited only to the rockery. Correvon, of Geneva, Switzerland, writes that G. reptans is one of the best of the rockery kinds, and needs full sunlight. For G. triflorum he advises half exposure to sun and a light, moist soil. G. rivale grows naturally in marshy places.
 
The plumy kinds are all contained in the subgenus Sieversia. G. chiloense is the best species, and in the gardens is commonly seen in double forms. A gardener writes that "inferior forms show scarcely any duplicity." Geums are of easy culture, and are propagated by division or seed. It is said that they hybridize freely if grown together. The dwarf kinds are suited only to the rockery. Correvon, of Geneva, Switzerland, writes that G. reptans is one of the best of the rockery kinds, and needs full sunlight. For G. triflorum he advises half exposure to sun and a light, moist soil. G. rivale grows naturally in marshy places.
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{{SCH}}
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}}
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G. atrococcineum, Hort., may be a typographical error for G. atrosanguineum.-
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==Cultivation==
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G. atrosanguineum, Hort., is presumably a form of G. chiloense, with darker fls. than the type, and sold mostly if not entirely, in its double condition. G. bulgaricum, Hort.,=(?). G. ewenii has light orange fls. and is said to be a good border plant. – G. japonicum, Thunb., is sold, but little known. St. flexuose, hirsute: lvs. 3-5-lobed, hirsute: fls. erect, yellow petals, as long as the calyx: fr. hirsute, awned, recurved. Japan.
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{{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line -->
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Wilhelm Miller.
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===Propagation===
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N. Taylor.
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{{edit-prop}}<!--- Type propagation info below this line, then delete this entire line -->
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:''For the river, see [[Geum River]].''
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===Pests and diseases===
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{{Taxobox
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{{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line -->
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| color = lightgreen
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| name = Avens
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| image = Geum coccineum2.jpg
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| image_width = 240px
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| image_caption = ''Geum coccineum'' flower, <br/>foliage and immature fruit
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| regnum = [[Plant]]ae
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| divisio = [[Flowering plant|Magnoliophyta]]
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| classis = [[Magnoliopsida]]
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| ordo = [[Rosales]]
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| familia = [[Rosaceae]]
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| subfamilia = [[Rosoideae]]
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| genus = '''''Geum'''''
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| genus_authority = [[Carolus Linnaeus|L.]]
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| subdivision_ranks = [[Species]]
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| subdivision =
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About 50; see text
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}}
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'''''Geum''''' ('''Avens''') is a [[genus]] of about 50 [[species]] of [[perennial plant|perennial]] [[herbaceous plant]]s in the rose family [[Rosaceae]], native to [[Europe]], [[Asia]], [[North America|North]] and [[South America]], [[Africa]] and [[New Zealand]]. They are closely related to ''[[Potentilla]]'' and [[strawberry|''Fragaria'']].
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==Species==
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Species{{wp}}
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''Geum'' species are used as food plants by the [[larva]]e of some [[Lepidoptera]] species including [[Grizzled Skipper]].
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;Species
   
*''[[Geum aleppicum]]'' - Yellow Avens
 
*''[[Geum aleppicum]]'' - Yellow Avens
 
*''[[Geum bulgaricum]]''  
 
*''[[Geum bulgaricum]]''  
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*''[[Geum virginianum]]'' - Virginia Avens
 
*''[[Geum virginianum]]'' - Virginia Avens
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[[Category:Rosaceae]]
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{{Inc|
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{{Rosales-stub}}
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G. atrococcineum, Hort., may be a typographical error for G. atrosanguineum.-
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G. atrosanguineum, Hort., is presumably a form of G. chiloense, with darker fls. than the type, and sold mostly if not entirely, in its double condition. G. bulgaricum, Hort., equals(?). G. ewenii has light orange fls. and is said to be a good border plant. – G. japonicum, Thunb., is sold, but little known. St. flexuose, hirsute: lvs. 3-5-lobed, hirsute: fls. erect, yellow petals, as long as the calyx: fr. hirsute, awned, recurved. Japan.
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{{SCH}}
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}}
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==Gallery==
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{{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery  -->
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<gallery>
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Image:Upload.png| photo 1
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Image:Upload.png| photo 2
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Image:Upload.png| photo 3
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</gallery>
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==References==
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*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
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<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
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<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
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<!--- xxxxx  *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608  -->
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==External links==
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*{{wplink}}
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{{stub}}
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[[Category:Categorize]]
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