Erythronium montanum |
Erythronium helenae |
|
---|---|---|
avalanche-lily, white avalanche-lily, white glacier lily |
Mount St. Helena fawn-lily, Pacific fawnlily, St. Helena fawn lily |
|
Bulbs | narrowly ovoid, 25–60 mm. |
ovoid, 30–55 mm, sometimes producing sessile bulbels. |
Leaves | 10–20 cm; blade green, ovate to broadly lanceolate, base ± abruptly narrowed to petiole, margins wavy. |
7–20 cm; blade mottled with irregular streaks of brown or white, broadly lanceolate to ovate, margins ± wavy. |
Scape | 12–35 cm. |
12–30 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. |
fragrant; tepals ± white, bright yellow at base, pinkish in age, lanceolate to ovate, 25–40 mm, inner with small auricles at base; stamens 8–13 mm; filaments ± yellow, linear, ± slender, less than 0.8 mm wide; anthers yellow; style ± white, often bent to one side, 5–8 mm; stigma unlobed or with lobes shorter than 1 mm. |
Capsules | oblong, 3–6 cm. |
obovoid, 2–4 cm. |
2n | = 24. |
= 24. |
Erythronium montanum |
Erythronium helenae |
|
Phenology | Flowering summer, usually soon after snowmelt (Jun–Aug). | Flowering spring (Mar–Apr). |
Habitat | Montane and subalpine meadows, open coniferous forests | Dry woods or scrub, on serpentines |
Elevation | (300–)800–2000 m ((1000–)2600–6600 ft) | 500–1200 m (1600–3900 ft) |
Distribution |
OR; WA; BC
|
Calif (vicinity of Mount St Helena) |
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. 157. | FNA vol. 26, p. 160. |
Parent taxa | Liliaceae > Erythronium | Liliaceae > Erythronium |
Sibling taxa | ||
Name authority | S. Watson: Proc. Amer. Acad. Arts 26: 130. (1891) | Applegate: Contr. Dudley Herb. 1: 188. (1933) |
Web links |