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Erythronium klamathense

Klamath fawn-lily

dimpled trout-lily

Bulbs

slender, 25–40 mm.

ovoid, 10–25 mm;

stolons absent, or 1 per bulb on 1-leaved plants.

Leaves

6–17 cm;

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

5–17 cm;

blade green, irregularly mottled, elliptic to ovate-lanceolate, ± flat, not glaucous, margins entire.

Scape

6–20 cm.

4–18 cm.

Inflorescences

1–3-flowered.

1-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.

tepals strongly reflexed at anthesis, yellow, sometimes with brownish adaxial spots, variously tinged brown-purple abaxially, lanceolate, 13–30 mm, auricles absent;

stamens 9–18 mm;

filaments yellow, lanceolate;

anthers brown, purple, or infrequently yellow;

pollen brown, purple, or infrequently yellow;

ovary apex indented;

style deciduous or forming small apiculum, ± terete, not yellow, 8–24 mm;

stigma lobes spreading, 1.2–1.7 mm.

Capsules

narrowly obovoid, 2–5 cm.

± resting on ground due to reclining peduncle, obovoid, 10–22 mm, apex indented, umbilicate, or rarely rounded.

2n

= 24.

= 24.

Erythronium klamathense

Erythronium umbilicatum

Phenology Flowering late spring to summer (Apr–Jun).
Habitat Montane meadows, openings in coniferous forests
Elevation 1200–1900 m (3900–6200 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from USDA
s and e United States
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

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

Key
1. Stolons absent; West Virginia to Alabama, Georgia, and n Florida.
subsp. umbilicatum
1. Stolons present, 1 per bulb; North Carolina, Tennessee.
subsp. monostolum
Source FNA vol. 26, p. 158. FNA vol. 26, p. 162.
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. helenae, 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
Subordinate taxa
E. umbilicatum subsp. monostolum, E. umbilicatum subsp. umbilicatum
Name authority Applegate: Contr. Dudley Herb. 1: 151. (1930) C. R. Parks & Hardin: Brittonia 15: 252. (1963)
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