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FNA | Family List | FNA Vol. 26 | Liliaceae | Erythronium

20. Erythronium umbilicatum C. R. Parks & Hardin, Brittonia. 15: 252. 1963.

Dimpled trout-lily

Bulbs ovoid, 10–25 mm; stolons absent, or 1 per bulb on 1-leaved plants. Leaves 5–17 cm; blade green, irregularly mottled, elliptic to ovate-lanceolate, ± flat, not glaucous, margins entire. Scape 4–18 cm. Inflorescences 1-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. Capsules ± resting on ground due to reclining peduncle, obovoid, 10–22 mm, apex indented, umbilicate, or rarely rounded. 2n = 24.

Varieties 2 (2 in the flora): s and e United States.

1 Stolons absent; West Virginia to Alabama, Georgia, and n Florida.   20b subsp. umbilicatum
+ Stolons present, 1 per bulb; North Carolina, Tennessee.   20b subsp. monostolum


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