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dimpled trout-lily

Erythronium klamathense

Klamath fawn-lily

Bulbs

ovoid, 10–25 mm;

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

slender, 25–40 mm.

Leaves

5–17 cm;

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

6–17 cm;

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

Scape

4–18 cm.

6–20 cm.

Inflorescences

1-flowered.

1–3-flowered.

Flowers

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.

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

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

narrowly obovoid, 2–5 cm.

2n

= 24.

= 24.

Erythronium umbilicatum

Erythronium klamathense

Phenology Flowering late spring to summer (Apr–Jun).
Habitat Montane meadows, openings in coniferous forests
Elevation 1200–1900 m (3900–6200 ft)
Distribution
from USDA
s and e United States
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR
[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. 162. 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. 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
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
Subordinate taxa
E. umbilicatum subsp. monostolum, E. umbilicatum subsp. umbilicatum
Name authority C. R. Parks & Hardin: Brittonia 15: 252. (1963) Applegate: Contr. Dudley Herb. 1: 151. (1930)
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