Trollius albiflorus (A. Gray) Rydb.
Ranunculaceae (Buttercup family)

Introduction to Vascular Plants


© Bryan Kelly-McArthur     (Photo ID #71039)


E-Flora BC Static Map

Distribution of Trollius albiflorus
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Species Information

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.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Trollius albiflorus

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres)
1724 16 2500
Slope Gradient (%)
13 0 132

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

348 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 0 8
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal 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)

Habitat and Range

Wet to moist meadows and streambanks in the subalpine and alpine zones; common in S BC in and E of the Coast-Cascade Mountains and south of 55degreeN; E to SW AB and S to CO, UT, ID and WA.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Trollius laxus Salisb.
Trollius laxus subsp. albiflorus (A. Gray) Á. Löve & D. Löve & Kapoor