Difference between revisions of "Geum"

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:''For the river, see [[Geum River]].''
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__NOTOC__{{Plantbox
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{{Taxobox
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| latin_name = ''LATINNAME''   <!--- replace LATINNAME with the actual latin name -->
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| color = lightgreen
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| common_names =    <!--- if multiple, list all, if none, leave blank -->
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| name = Avens
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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
 
| image = Geum coccineum2.jpg
 
| image = Geum coccineum2.jpg
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| image_width = 240px
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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 = ''Geum coccineum'' flower, <br/>foliage and immature fruit
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| image_caption =     <!--- eg. Cultivated freesias -->
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| regnum = [[Plant]]ae
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| regnum = Plantae  <!--- Kingdom -->
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| divisio = [[Flowering plant|Magnoliophyta]]
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| divisio =   <!--- Phylum -->
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| classis = [[Magnoliopsida]]
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| classis =   <!--- Class -->
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| ordo = [[Rosales]]
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| ordo =   <!--- Order -->
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| familia = [[Rosaceae]]
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| familia =   <!--- Family -->
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| subfamilia = [[Rosoideae]]
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| genus =  
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| genus = '''''Geum'''''
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| species =  
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| genus_authority = [[Carolus Linnaeus|L.]]
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| subspecies =  
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| subdivision_ranks = [[Species]]
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| cultivar =  
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| subdivision =  
 
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About 50; see text
 
 
}}
 
}}
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{{Inc|
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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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'''''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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Herbs, with a perennial rhizome, sometimes stoloniferous: root-lvs. crowded, odd-pinnate, the alternate lobes often smaller, terminal ones largest; st.-lvs. few, mostly of 3 lfts. or bract-like: fls. 1-2 in. across, solitary or corymbose or cymose; calyx persistent, its tube nearly hemispheric, usually 5-lobed; petals 5, nearly or quite round, longer than the calyx: fr. bunched on a short receptacle, frequently plumed.— More than 50 species, mostly in temperate and frigid regions.
  
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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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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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==Cultivation==
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{{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line -->
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===Propagation===
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{{edit-prop}}<!--- Type propagation info below this line, then delete this entire line -->
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===Pests and diseases===
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{{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line -->
  
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;Species
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==Species==
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Species{{wp}}
 
*''[[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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<!--  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!    -->

Latest revision as of 22:47, 10 September 2009


Geum coccineum2.jpg


Plant Characteristics
Origin: ✈ ?
Cultivation
Exposure: ☼ ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property.
Water: ◍ ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property.
Scientific Names



Read about Geum in the Standard Cyclopedia of Horticulture 

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.

Herbs, with a perennial rhizome, sometimes stoloniferous: root-lvs. crowded, odd-pinnate, the alternate lobes often smaller, terminal ones largest; st.-lvs. few, mostly of 3 lfts. or bract-like: fls. 1-2 in. across, solitary or corymbose or cymose; calyx persistent, its tube nearly hemispheric, usually 5-lobed; petals 5, nearly or quite round, longer than the calyx: fr. bunched on a short receptacle, frequently plumed.— More than 50 species, mostly in temperate and frigid regions.

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. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Do you have cultivation info on this plant? Edit this section!

Propagation

Do you have propagation info on this plant? Edit this section!

Pests and diseases

Do you have pest and disease info on this plant? Edit this section!

Species

Specieswp


Read about Geum in the Standard Cyclopedia of Horticulture 

G. atrococcineum, Hort., may be a typographical error for G. atrosanguineum.- 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. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Gallery

If you have a photo of this plant, please upload it! Plus, there may be other photos available for you to add.

  • photo 1

  • photo 2

  • photo 3

References

External links


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