Rock Garden Plants
Geum macranthum (Kearney ex Rydb.) B.Boivin  
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FamilyROSACEAE
Genus speciesGeum macranthum (Kearney ex Rydb.) B.Boivin 
SynonymsSieversia macrantha Kearney ex Rydb.
 Geum schofieldii Calder & Roy.L.Taylor
 Parageum macranthum (Kearney ex Rydb.) H.Hara
Habitatrocks
Altitude500-1000m
Descriptionbasal leaves interrupted lyrate-pinnate, terminal segment largest, stem leaves bracteate, trifid, flowers solitary, erect, sepals 7-12mm, petals suborbiculate, 14-6mm
Size13-30cm
Coloryellow
Bloomsummer
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 Northern America
     Western Canada (British Columbia)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ROSACEAE

Geum x macranthum (Kearney ex Rydb.) B.Boivin, Naturaliste Canad. 94: 631 (1967)

Basionym:
Sieversia x macrantha Kearney ex Rydb., N. Amer. Fl. [N.L.Britton & al., eds.] 22: 412 (1913)

Synonyms:
Acomastylis x macrantha (Kearney ex Rydb.) F.Bolle
Parageum x macranthum (Kearney ex. Rydb.) Hara

Geum schofieldii Calder & Roy L.Taylor

British Columbia
71 BRC

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