Flora of North America species comparison

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Erythronium citrinum
Erythronium citrinum

citrus fawn lily, cream fawn lily, lemon color fawn lily, lemon fawn lily, pale fawn-lily
Bulbs

slender, 40–50 mm, sometimes producing sessile offsets.
Leaves

9–15 cm;

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

12–35 cm.
Inflorescences

1–3-flowered.
Flowers

tepals ± white, often pinkish, usually pale yellow at base, lanceolate to narrowly elliptic, 25–45 mm, inner with or without small auricles at base;

stamens 11–17 mm;

filaments linear, white or pinkish, slender, less than 0.8 mm wide;

anthers white, cream, pink, reddish, or brownish red;

style straight, white or pink, 6–10 mm;

stigma unlobed or with lobes shorter than 1 mm.
Capsules

obovoid, 2–5 cm.
2n

= 24.

Erythronium citrinum
Phenology Flowering spring (Mar–May).
Habitat Dry woods, brushy slopes, common on serpentine substrates
Elevation 100–1300 (–1800) m (300–4300 (–5900) ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Plants lacking auricles on inner tepals are sometimes segregated as Erythronium howellii, Howell’s fawn-lily, but they do not appear to differ from typical E. citrinum in any other characters. Erythronium citrinum intergrades with E. californicum and E. hendersonii, occasional populations or individuals displaying intermediate or recombined characteristics. Such plants from the upper Scott River drainage in Trinity County, California, which may be the result of introgression with E. hendersonii, have been recognized as variety roderickii.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 160.
Parent taxa Liliaceae > Erythronium
Sibling taxa
E. albidum, E. americanum, E. californicum, 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. umbilicatum
Synonyms E. citrinum var. roderickii, E. howellii
Name authority S. Watson: Proc. Amer. Acad. Arts 22: 480. (1887)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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