Rock Garden Plants
Geum calthifolium Menzies ex Sm.  
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FamilyROSACEAE
Genus speciesGeum calthifolium Menzies ex Sm. 
SynonymsGeum radiatum Pursh
 Geum rotundifolium Fisch.
 Sieversia congesta R.Br.
Habitatrocky slopes
Altitude0-1500m
Descriptionstrong, short rootstock, leaves lyrate, lateral segments few and small, terminal segment very large, orbiculate-cordate, flowers to 25mm across
Size8-40cm
Coloryellow
Bloomearly summer
Ca
Typetuft
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, shading in summer
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in early spring
Territory Asia-Temperate
     Russian Far East (Kamchatka , Magadan , Sakhalin )
Northern America
     Subarctic America (Alaska )
     Western Canada (British Columbia)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ROSACEAE

Geum calthifolium Menzies ex Sm., Cycl. 16 [A. Rees]: Geum no. 13 (1810)

Synonyms:
Acomastylis calthifolia (Menzies ex Sm.) F.Bolle
Parageum calthifolium (Menzies ex Sm.) Nakai
Sieversia calthifolia (Menzies ex Sm.) D.Don ex Torr. & A.Gray

Adamsia rotundifolia Fisch. ex Steud.
Geum calthifolium rotundifolium (Fisch.) Torr. & A.Gray
Geum radiatum Pursh
Geum rotundifolium Fisch.
Sieversia congesta R.Br.
Sieversia dilatata R.Br.

Russian Far East, Alaska, British Columbia
31 KAM MAG SAK 70 ASK 71 BRC

0-1500m

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