Erythronium oregonum Applegate
White Fawn Lily (giant white fawnlily)
Liliaceae

Introduction to Vascular Plants

Photograph

© Dave Ingram     (Photo ID #19833)


Map

E-Flora BC Static Map

Distribution of Erythronium oregonum
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Erythronium oregonum ssp. oregonum

Species Information

General:
Perennial herb from a narrowly egg-shaped, 3- to 5-cm long bulb and an elongate, segmented corm; flowering stems 15-35 cm tall, smooth.
Leaves:
Basal leaves 2, dull dark green mottled with brown and white or pale green, lanceolate to oblong-elliptic, 10-20 cm long, smooth, abruptly narrowed to short, broad, somewhat winged stalks, the margins entire but often somewhat wavy; stem leaves lacking.
Flowers:
Inflorescence of 1, sometimes 2 or 3, flowers atop a leafless, unbranched, smooth stem; flowers white with some yellow or orange at the base on the inner surface, nodding, of 6 similar, distinct tepals, the tepals broadly lanceolate, 3.5-5 cm long, curved back; stamens 6, anthers white or yellow; pistil 1, 3-chambered.
Fruits:
Capsules, broadly club-shaped, erect, 3.5-5 cm long; seeds several to many, brown, egg-shaped, angular.

SourceThe Illustrated Flora of British Columbia

Ecology

Ecological Framework for Erythronium oregonum

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

Avg

Min

Max

Elevation (metres)
147 15 1770
Slope Gradient (%)
32 0 135

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

5 23 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 1 5
Modal Nutrient Regime
Class
B
# of field plots
 species was recorded in:
66
Modal BEC Zone Class
CDF

All BEC Zones (# of stations/zone) species was recorded in

CDF(62), CWH(3), ESSF(1)

Habitat and Range

Dry to mesic meadows and open forests in the lowland zone; locally common on SE Vancouver Island, the Gulf Islands and the adjacent mainland; S to S OR.

SourceThe Illustrated Flora of British Columbia