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Erythronium revolutum

coast fawn lily, mahogany fawn lily, pink fawn-lily

Erythronium montanum

avalanche-lily, white avalanche-lily, white glacier lily

Bulbs

narrowly ovoid, 35–50 mm, sometimes producing sessile offsets.

narrowly ovoid, 25–60 mm.

Leaves

10–25 mm;

blade distinctly mottled with irregular streaks of brown or white, broadly lanceolate to ovate, margins entire to ± wavy.

10–20 cm;

blade green, ovate to broadly lanceolate, base ± abruptly narrowed to petiole, margins wavy.

Scape

15–40 cm.

12–35 cm.

Inflorescences

1–3-flowered.

1–3-flowered.

Flowers

tepals uniformly clear violet-pink at anthesis, with yellow banding at base, lanceolate to narrowly elliptic, 25–40 mm, inner with small auricles at base;

stamens ± appressed to style, 12–22 mm;

filaments white to pink (darkening with age), flattened, ± lanceolate, 2–3 mm wide;

anthers bright yellow;

style white to pink, 12–18 mm;

stigma with slender recurved lobes 4–6 mm.

tepals white to creamy white with bright yellow zone at base, broadly ovate to broadly lanceolate, 25–45 mm, inner wider than outer, auriculate at base, length less than 4 times width;

stamens 12–24 mm;

filaments white, linear, slender, less than 0.8 mm wide;

anthers bright yellow;

style white, 13–25 mm;

stigma with slender, usually recurved lobes 1–5 mm.

Capsules

oblong to obovoid, 3–6 cm.

oblong, 3–6 cm.

2n

= 24.

Erythronium revolutum

Erythronium montanum

Phenology Flowering early spring (Mar–Apr). Flowering summer, usually soon after snowmelt (Jun–Aug).
Habitat Shaded stream banks, river terraces, wet places in forests Montane and subalpine meadows, open coniferous forests
Elevation 0–600(–1000) m (0–2000(–3300) ft) (300–)800–2000 m ((1000–)2600–6600 ft)
Distribution
from FNA
CA; OR; WA; BC; generally within 100 km of Pacific Coast
[WildflowerSearch map]
[BONAP county map]
from FNA
OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

This species occurs in the Coast Ranges of southern British Columbia, and disjunctly to southern Vancouver Island, the Olympic Peninsula, and Cascade Mountains from Mount Rainier National Park in Washington to central Oregon.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 26, p. 158. FNA vol. 26, p. 157.
Parent taxa Liliaceae > Erythronium Liliaceae > Erythronium
Sibling taxa
E. albidum, E. americanum, E. californicum, E. citrinum, E. elegans, E. grandiflorum, E. helenae, E. hendersonii, E. klamathense, E. mesochoreum, E. montanum, E. multiscapideum, E. oregonum, E. pluriflorum, E. propullans, E. purpurascens, E. pusaterii, E. quinaultense, E. rostratum, E. taylorii, E. tuolumnense, E. umbilicatum
E. albidum, E. americanum, E. californicum, E. citrinum, E. elegans, E. grandiflorum, E. helenae, E. hendersonii, E. klamathense, E. mesochoreum, E. multiscapideum, E. oregonum, E. pluriflorum, E. propullans, E. purpurascens, E. pusaterii, E. quinaultense, E. revolutum, E. rostratum, E. taylorii, E. tuolumnense, E. umbilicatum
Name authority Smith: in A. Rees, Cycl. 13: Erythronium no. 3. (1809) S. Watson: Proc. Amer. Acad. Arts 26: 130. (1891)
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