E-Flora BC: Electronic Atlas of the Flora of British Columbia

Erythronium revolutum Sm.
pink fawn lily (mahogany fawnlily)
Liliaceae

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #24541)

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Distribution of Erythronium revolutum
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Species Information

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General:
Perennial herb from a narrowly egg-shaped, 3- to 5-cm long bulb attached to a chain of rhizome segments; flowering stems 15-35 cm tall, smooth.
Leaves:
Basal leaves 2, dull dark green mottled with brown or white, broadly lanceolate to elliptic, 10-20 cm long, smooth, gradually narrowed to short, broad, narrowly winged stalks, the margins entire but often somewhat wavy; stem leaves lacking.
Flowers:
Inflorescence of 1, rarely 2 or 3, flowers atop a leafless, unbranched, smooth stem; flowers rose-pink with yellow bands at the base on the inner surface, nodding, of 6 similar, distinct tepals, the tepals narrowly lanceolate, 3-5 cm long, curved back; stamens 6, anthers yellow; pistil 1, 3-chambered.
Fruits:
Capsules, narrowly club-shaped to oblong, erect, 3-4 cm long; seeds several to many, brown, egg-shaped, angular.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist forests and riverbanks in the lowland zone; locally frequent on Vancouver Island, rare on Valdez Island and on mainland at Kingcome Inlet; S to N CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Erythronium revolutum

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

Minimum

Average

Maximum

Elevation (metres) 29 814 1829
Slope Gradient (%) 0 20 67
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
21 188 310
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 5
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
9
Modal BEC Zone Class
CWH
All BEC Zones (# of stations/zone) species was recorded in: CWH(5), ESSF(4)

Ecological Indicator Information

A shade-tolerant/intolerant, submontane to montane. Pacific North American forb. Occurs in maritime to submaritime summer-wet cool mesothermal climates on fresh to moist, nitrogen-rich soils (Moder and Mull humus forms). Sporadic in broad-leaved forests on water­receiving sites; its occurrence decreases with increasing latitude, elevation, and continentality. Characteristic of alluvial floodplain forests.

SourceIndicator Plants of Coastal British Columbia (Information applies to coastal locations only)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is cool mesothermal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

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General References