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Erythronium montanum

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

hocket lakes fawn lily, Kaweah fawn lily, Kaweah Lakes fawn-lily

Bulbs

narrowly ovoid, 25–60 mm.

narrowly ovoid, 40–60 mm.

Leaves

10–20 cm;

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

10–35 cm;

blade green, lanceolate, margins ± wavy.

Scape

12–35 cm.

12–40 cm.

Inflorescences

1–3-flowered.

1–8-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 white, proximal 1/2–2/3 bright yellow, becoming pinkish in age, lanceolate, 25–45 mm, inner auriculate at base;

stamens 8–15 mm;

filaments ± white, slender;

anthers yellow;

style ± white, 7–10 mm;

stigma ± unlobed, or with lobes shorter than 1 mm.

Capsules

oblong, 3–6 cm.

obovoid, 2–4 cm.

2n

= 24.

Erythronium montanum

Erythronium pusaterii

Phenology Flowering summer, usually soon after snowmelt (Jun–Aug). Flowering late spring (Apr–May).
Habitat Montane and subalpine meadows, open coniferous forests Meadows, open forests, rocky ledges
Elevation (300–)800–2000 m ((1000–)2600–6600 ft) 2100–2500 m (6900–8200 ft)
Distribution
from FNA
OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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.)

Of conservation concern.

Erythronium pusaterii is known only from Tulare County in the southern Sierra Nevada.

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

Source FNA vol. 26, p. 157. FNA vol. 26, p. 159.
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. multiscapideum, E. oregonum, E. pluriflorum, E. propullans, E. purpurascens, E. pusaterii, E. quinaultense, E. revolutum, 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. montanum, E. multiscapideum, E. oregonum, E. pluriflorum, E. propullans, E. purpurascens, E. quinaultense, E. revolutum, E. rostratum, E. taylorii, E. tuolumnense, E. umbilicatum
Synonyms E. grandiflorum subsp. pusaterii
Name authority S. Watson: Proc. Amer. Acad. Arts 26: 130. (1891) (Munz & J. T. Howell) Shevock: Madroño 37: 264. (1991)
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