The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links
Erythronium hendersonii

Henderson's fawn-lily

Erythronium montanum

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

Bulbs

slender, 40–55 mm.

narrowly ovoid, 25–60 mm.

Leaves

10–25 cm;

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

10–20 cm;

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

Scape

reddish, 12–30 cm.

12–35 cm.

Inflorescences

1–4-flowered.

1–3-flowered.

Flowers

tepals violet to pink, darker at tips, dark purple at base, broadly lanceolate, 18–35 mm, inner with small auricles at base;

stamens 10–14 mm;

filaments violet-purple, linear, slender, less than 0.8 mm wide;

anthers pale brown to purple;

style violet, 6–8 mm;

stigma unlobed or with lobes shorter than 1 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

obovoid, 2–4 cm.

oblong, 3–6 cm.

2n

= 24.

= 24.

Erythronium hendersonii

Erythronium montanum

Phenology Flowering spring (Mar–Apr). Flowering summer, usually soon after snowmelt (Jun–Aug).
Habitat Dry woods and forest openings Montane and subalpine meadows, open coniferous forests
Elevation 300–1600 m (1000–5200 ft) (300–)800–2000 m ((1000–)2600–6600 ft)
Distribution
from FNA
CA; OR
[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. 160. 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. klamathense, E. mesochoreum, E. montanum, 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. 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 S. Watson: Proc. Amer. Acad. Arts 22: 479. (1887) S. Watson: Proc. Amer. Acad. Arts 26: 130. (1891)
Web links