Erythronium montanum |
Erythronium revolutum |
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avalanche-lily, white avalanche-lily, white glacier lily |
coast fawn lily, mahogany fawn lily, pink fawn-lily |
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Bulbs | narrowly ovoid, 25–60 mm. |
narrowly ovoid, 35–50 mm, sometimes producing sessile offsets. |
Leaves | 10–20 cm; blade green, ovate to broadly lanceolate, base ± abruptly narrowed to petiole, margins wavy. |
10–25 mm; blade distinctly mottled with irregular streaks of brown or white, broadly lanceolate to ovate, margins entire to ± wavy. |
Scape | 12–35 cm. |
15–40 cm. |
Inflorescences | 1–3-flowered. |
1–3-flowered. |
Flowers | 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. |
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. |
Capsules | oblong, 3–6 cm. |
oblong to obovoid, 3–6 cm. |
2n | = 24. |
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Erythronium montanum |
Erythronium revolutum |
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Phenology | Flowering summer, usually soon after snowmelt (Jun–Aug). | Flowering early spring (Mar–Apr). |
Habitat | Montane and subalpine meadows, open coniferous forests | Shaded stream banks, river terraces, wet places in forests |
Elevation | (300–)800–2000 m [(1000–)2600–6600 ft] | 0–600(–1000) m [0–2000(–3300) ft] |
Distribution |
OR; WA; BC
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CA; OR; WA; BC; generally within 100 km of Pacific Coast
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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.) |
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Source | FNA vol. 26, p. 157. | FNA vol. 26, p. 158. |
Parent taxa | ||
Sibling taxa | ||
Name authority | S. Watson: Proc. Amer. Acad. Arts 26: 130. (1891) | Smith: in A. Rees, Cycl. 13: Erythronium no. 3. (1809) |
Web links |
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