Perennial herb from short stem-base and strong, fibrous roots; stems 1 to several, erect, 10-50 cm tall, the base with some persistent stalks from previous years; plants smooth.
Basal leaves deeply palmately divided into (3) 5 to 7 segments, the segments egg-shaped, somewhat 3-lobed, coarsely-toothed and often incised, the stalks 4-25 cm long, with wide, membranous stipules; stem leaves 1 to 3, alternate, short-stalked to unstalked, with wide, clasping, membranous sheaths.
Inflorescence usually solitary and terminal, the flowers 2.5-5 cm wide; flower stalks erect, 2-30 cm long; petals 15 to 25, yellow, 3-6 mm long, concealed under the longer stamens; sepals 5 to 9, spreading, white when fresh, pale yellow to greenish-white before flower opening, egg-shaped to nearly circular, 10-20 mm long.
Follicles, usually 11 to 14, 8-16 mm long (including beak), the beaks often curved, sometimes straight; seeds black or dark brown.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|AT(24), BAFA(9), CWH(1), ESSF(905), ICH(21), IDF(5), IMA(11), MH(3), MS(47), SBS(1), SWB(6)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Trollius laxus Salisb.
Trollius laxus subsp. albiflorus (A. Gray) Á. Löve & D. Löve & Kapoor