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Erythronium klamathense

Klamath fawn-lily

Mount St. Helena fawn-lily, Pacific fawnlily, St. Helena fawn lily

Bulbs

slender, 25–40 mm.

ovoid, 30–55 mm, sometimes producing sessile bulbels.

Leaves

6–17 cm;

blade green, lanceolate to narrowly elliptic, ± folded along midvein, margins entire to wavy.

7–20 cm;

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

Scape

6–20 cm.

12–30 cm.

Inflorescences

1–3-flowered.

1–3-flowered.

Flowers

tepals 2/3 or more white, with yellow zone at base, ± pinkish in age, broadly lanceolate, 20–35 mm, inner with small auricles at base;

stamens 8–14 mm;

filaments white, slender;

anthers ± yellow;

style white, 4–9 mm;

stigma ± unlobed.

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

narrowly obovoid, 2–5 cm.

obovoid, 2–4 cm.

2n

= 24.

= 24.

Erythronium klamathense

Erythronium helenae

Phenology Flowering late spring to summer (Apr–Jun). Flowering spring (Mar–Apr).
Habitat Montane meadows, openings in coniferous forests Dry woods or scrub, on serpentines
Elevation 1200–1900 m (3900–6200 ft) 500–1200 m (1600–3900 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from USDA
Calif (vicinity of Mount St Helena)
[BONAP county map]
Source FNA vol. 26, p. 158. FNA vol. 26, p. 160.
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. 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. hendersonii, 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
Name authority Applegate: Contr. Dudley Herb. 1: 151. (1930) Applegate: Contr. Dudley Herb. 1: 188. (1933)
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