Erythronium albidum |
Erythronium rostratum |
|
---|---|---|
white fawnlily, white trout-lily |
beak trout-lily, yellow fawnlily, yellow troutlily |
|
Bulbs | ovoid, 15–30 mm; stolons 1–3, mostly on 1-leaved, nonflowering plants; flowering plants reproducing vegetatively by offshoots or droppers. |
ovoid, 10–20 mm; stolons 1–3, common, mostly on 1-leaved, nonflowering plants. |
Leaves | 8–22 cm; blade green, irregularly mottled, elliptic-lanceolate to ovate-lanceolate or elliptic, ± flat, glaucous, margins entire. |
5–18 cm; blade green, irregularly mottled, elliptic-lanceolate to ovate or elliptic, ± flat, not glaucous, margins entire. |
Scape | 7–20 cm. |
3–10 cm. |
Inflorescences | 1-flowered. |
1-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. |
held erect at anthesis; tepals yellow, tinged red-purple or orange abaxially, mostly spreading at anthesis, lanceolate, 20–34 mm, inner with conspicuous, well-developed auricles almost encircling opposing filaments; stamens 13–17 mm; filaments yellow, lanceolate; anthers yellow; pollen yellow; style persistent, greenish yellow, swollen distally into stigma, tapering gradually proximally to ovary, forming beak on capsule, 8–11 mm; stigma lobes erect, short, 1 mm. |
Capsules | held erect at maturity, obovoid, 10–22 mm, apex rounded to faintly apiculate or umbilicate. |
held erect at maturity on upward-curving peduncle, ellipsoid to ellipsoid-obovoid, 15–25 mm (excluding beak), apex long-beaked. |
2n | = 44. |
= 24. |
Erythronium albidum |
Erythronium rostratum |
|
Phenology | Flowering spring. | Flowering spring. |
Habitat | Mesic bottomlands, upland forests, woodlands, clay and silt bottomlands, floodplain forests | Mesic woods, often in flood plains and along waterways, also on shaded lower ledges of bluffs |
Elevation | 0–300 m (0–1000 ft) | 0–500 m (0–1600 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
|
AL; AR; KS; KY; LA; MO; MS; OH; OK; TN; TX
|
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.) |
Erythronium rostratum is found mostly on either side of the Mississippi River embayment, but rarely within it. It often forms extensive colonies where nonflowering, 1-leaved plants far outnumber flowering ones. This is the only species of Erythronium with erect rather than nodding flowers. Some plants at the western limits of the range are triploids (B. L. Carr 1986). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 163. | FNA vol. 26, p. 162. |
Parent taxa | Liliaceae > Erythronium | Liliaceae > Erythronium |
Sibling taxa | ||
Name authority | Nuttall: Gen. N. Amer. Pl. 1: 223. (1818) | W. Wolf: Castanea 6: 24, plate 1. (1941) |
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