Rock Garden Plants
Geum rossii (R.Br.) Ser.  
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FamilyROSACEAE
Genus speciesGeum rossii (R.Br.) Ser. 
SynonymsSieversia rossii R.Br.
 Geum humile (R.Br.) Steud.
 Geum sericeum Greene
Habitatgrassland and scree
Altitude0-4000m
Descriptionbasal leaves numerous, in outline oblong, 4-12cm long, pinnatisect, stem leaves alternate, smaller, flowers 1-3, 4cm across, petals spreading, obovate
Size5-25cm
Coloryellow
Bloomsummer
Ca
Typetuft
Cultivationgravelly, humous, moist, semi-shady site
alpine house, moist, humous, gravelly soil, semi-shade
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in early spring
Territory Asia-Temperate
     Russian Far East (Kamchatka , Magadan )
Northern America
     Subarctic America (Alaska , Greenland , Nunavut , Northwest Territories , Yukon )
     Western Canada (British Columbia )
     Northwestern U.S.A. (Colorado , Idaho , Montana , Oregon , Washington , Wyoming )
     Southwestern U.S.A. (Arizona , Nevada , Utah )
     South-Central U.S.A. (New Mexico)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ROSACEAE

Geum rossii (R.Br.) Ser., Prodr. [A.P.de Candolle] 2: 553 (1825)

Basionym:
Sieversia rossii R.Br., Chlor. Melvill. 18 (1823)

Synonyms:
Acomastylis rossii (R.Br.) Grene
Novosieversia rosii (R.Br.) F.Bolle

0-4000m
=============================================================================
rossii typicum ined.

Synonyms:
Acomastylis depressa Greene
Acomastylis humilis (R.Br.) Rydb.
Acomastylis nivalis F.Bolle
Acomastylis sericea (Greene) Greene
Geum humile (R.Br.) Steud.
Geum rossii depressum (Greene) C.L.Hitchc.
Geum rossii humile (R.Br.) Schheutz
Geum sericeum Greene
Potentilla nivalis Torr.
Sieversia humilis R.Br.
Sieversia sericea (Greene) Greene

Russian Far East, Subarctic America, Greenland, British Columbia, w. USA
31 KAM MAG 70 ASK GNL NWT NUN YUK 71 BRC 73 COL IDA MNT ORE WAS WYO 76 ARI NEV UTA 77 NWM

rossii turbinatum (Rydb.) C.L.Hitchc., Vasc. Pl. Pacif. N.W. [C.L.Hitchcock & al.) 3: 112 (1961)

Basionym:
Geum turbinatum Rydb., Bull. Torrey Bot. Club 24(2): 91 (1897)

Synonyms:
Acomastylis rossii turbinata (Rydb.) W.A.Weber
Acomastylis turbinata (Rydb.) Greene
Sieversia turbinata (Rydb.) Greene

Acomastylis gracilipes (Piper) Greene
Acomastylis turbinata arapahoensis (Daniels) F.Bolle
Acomastylis turbinata helolochmocola Clem. ex F.Bolle
Acomastylis turbinata nana Clem. ex F.Bolle
Acomastylis turbinata scapoidea (A.Nelson) F.Bolle
Geum gracilipes (Piper) Greene
Potentilla gracilipes Piper
Sieversia gracilipes (Piper) Greene
Sieversia scapoides A.Nelson

nw. & sc. USA
73 COL 77 NWM

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