Erythronium montanum |
Erythronium umbilicatum |
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avalanche-lily, white avalanche-lily, white glacier lily |
dimpled trout-lily |
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Bulbs | narrowly ovoid, 25–60 mm. |
ovoid, 10–25 mm; stolons absent, or 1 per bulb on 1-leaved plants. |
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Leaves | 10–20 cm; blade green, ovate to broadly lanceolate, base ± abruptly narrowed to petiole, margins wavy. |
5–17 cm; blade green, irregularly mottled, elliptic to ovate-lanceolate, ± flat, not glaucous, margins entire. |
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Scape | 12–35 cm. |
4–18 cm. |
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Inflorescences | 1–3-flowered. |
1-flowered. |
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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 strongly reflexed at anthesis, yellow, sometimes with brownish adaxial spots, variously tinged brown-purple abaxially, lanceolate, 13–30 mm, auricles absent; stamens 9–18 mm; filaments yellow, lanceolate; anthers brown, purple, or infrequently yellow; pollen brown, purple, or infrequently yellow; ovary apex indented; style deciduous or forming small apiculum, ± terete, not yellow, 8–24 mm; stigma lobes spreading, 1.2–1.7 mm. |
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Capsules | oblong, 3–6 cm. |
± resting on ground due to reclining peduncle, obovoid, 10–22 mm, apex indented, umbilicate, or rarely rounded. |
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2n | = 24. |
= 24. |
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Erythronium montanum |
Erythronium umbilicatum |
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Phenology | Flowering summer, usually soon after snowmelt (Jun–Aug). | |||||
Habitat | Montane and subalpine meadows, open coniferous forests | |||||
Elevation | (300–)800–2000 m ((1000–)2600–6600 ft) | |||||
Distribution |
OR; WA; BC
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s and e United States
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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.) |
Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 157. | FNA vol. 26, p. 162. | ||||
Parent taxa | Liliaceae > Erythronium | Liliaceae > Erythronium | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 26: 130. (1891) | C. R. Parks & Hardin: Brittonia 15: 252. (1963) | ||||
Web links |