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

Erythronium klamathense

Klamath fawn-lily

Bulbs

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

slender, 25–40 mm.

Leaves

7–20 cm;

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

6–17 cm;

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

Scape

12–30 cm.

6–20 cm.

Inflorescences

1–3-flowered.

1–3-flowered.

Flowers

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.

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.

Capsules

obovoid, 2–4 cm.

narrowly obovoid, 2–5 cm.

2n

= 24.

= 24.

Erythronium helenae

Erythronium klamathense

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