Rock Garden Plants
Trollius  laxus ssp. albiflorus (A.Gray) Á.Löve & al.   
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FamilyRANUNCULACEAE
Genus species var.Trollius  laxus ssp. albiflorus (A.Gray) Á.Löve & al. 
SynonymsTrollius laxus var. albiflorus A.Gray (basionym)
 Trollius albiflorus (A.Gray) Rydb.
Territory Western CanadaNorthwestern U.S.A.Southwestern U.S.A.
grassland
Altitude1200-3800m
Description leaves petiolate, 4-8cm wide, pinnatifid, 5-7 segments obovate or rhombic, variously deeply dentate, flowers terminal, large, 2-5cm across, anthers numerous
Size10-50cm
Colorwhite
Bloomearly spring
Ca
Typetuft
Cultivationhumous, moist, but in winter drier, semi-shady site
alpine house, moist, humous soil, shading in summer
Propagationseed in winter, germ. 3-12 months, 10-16°C
division in late summer
BibliographyFlora of North America www.eFloras.org
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý