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Erythronium hendersonii

Henderson's fawn-lily

dimpled trout-lily

Bulbs

slender, 40–55 mm.

ovoid, 10–25 mm;

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

Leaves

10–25 cm;

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

5–17 cm;

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

Scape

reddish, 12–30 cm.

4–18 cm.

Inflorescences

1–4-flowered.

1-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 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

obovoid, 2–4 cm.

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

2n

= 24.

= 24.

Erythronium hendersonii

Erythronium umbilicatum

Phenology Flowering spring (Mar–Apr).
Habitat Dry woods and forest openings
Elevation 300–1600 m (1000–5200 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. 160. 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. 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. 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 S. Watson: Proc. Amer. Acad. Arts 22: 479. (1887) C. R. Parks & Hardin: Brittonia 15: 252. (1963)
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