Erythronium albidum |
Erythronium helenae |
|
---|---|---|
white fawnlily, white trout-lily |
Mount St. Helena fawn-lily, Pacific fawnlily, St. Helena fawn lily |
|
Bulbs | ovoid, 15–30 mm; stolons 1–3, mostly on 1-leaved, nonflowering plants; flowering plants reproducing vegetatively by offshoots or droppers. |
ovoid, 30–55 mm, sometimes producing sessile bulbels. |
Leaves | 8–22 cm; blade green, irregularly mottled, elliptic-lanceolate to ovate-lanceolate or elliptic, ± flat, glaucous, margins entire. |
7–20 cm; blade mottled with irregular streaks of brown or white, broadly lanceolate to ovate, margins ± wavy. |
Scape | 7–20 cm. |
12–30 cm. |
Inflorescences | 1-flowered. |
1–3-flowered. |
Flowers | tepals strongly reflexed at anthesis, white, tinged pink, blue, or lavender abaxially, with yellow adaxial spot at base, lanceolate, 22–40 mm, auricles absent; stamens 10–20 mm; filaments yellow, lanceolate; anthers yellow; pollen yellow; style white, 15–25 mm; stigma lobes recurving, 1.5 mm. |
fragrant; tepals ± white, bright yellow at base, pinkish in age, lanceolate to ovate, 25–40 mm, inner with small auricles at base; stamens 8–13 mm; filaments ± yellow, linear, ± slender, less than 0.8 mm wide; anthers yellow; style ± white, often bent to one side, 5–8 mm; stigma unlobed or with lobes shorter than 1 mm. |
Capsules | held erect at maturity, obovoid, 10–22 mm, apex rounded to faintly apiculate or umbilicate. |
obovoid, 2–4 cm. |
2n | = 44. |
= 24. |
Erythronium albidum |
Erythronium helenae |
|
Phenology | Flowering spring. | Flowering spring (Mar–Apr). |
Habitat | Mesic bottomlands, upland forests, woodlands, clay and silt bottomlands, floodplain forests | Dry woods or scrub, on serpentines |
Elevation | 0–300 m (0–1000 ft) | 500–1200 m (1600–3900 ft) |
Distribution |
AL; AR; GA; IA; IL; IN; KS; KY; LA; MD; MI; MN; MO; MS; NE; NJ; NY; OH; OK; PA; SD; TN; TX; VA; WI; WV; ON
|
Calif (vicinity of Mount St Helena) |
Discussion | Erythronium albidum often forms extensive colonies in which nonflowering, 1-leaved plants far outnumber flowering, 2-leaved ones. It is very widespread in eastern North America, more common in the central states than E. americanum and often occurs in slightly drier sites. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26, p. 163. | FNA vol. 26, p. 160. |
Parent taxa | Liliaceae > Erythronium | Liliaceae > Erythronium |
Sibling taxa | ||
Name authority | Nuttall: Gen. N. Amer. Pl. 1: 223. (1818) | Applegate: Contr. Dudley Herb. 1: 188. (1933) |
Web links |