Erythronium quinaultense |
Erythronium mesochoreum |
|
---|---|---|
fawnlily, Olympic fawn-lily, quinault fawn-lily, quinault trout-lily |
midland fawnlily, prairie trout-lily, white fawnlily |
|
Bulbs | narrowly ovoid, 35–75 mm. |
ovoid to ± globose, 10–25 mm; stolons absent; flowering plants reproducing vegetatively by droppers or offshoots. |
Leaves | 12–20 cm; blade green or faintly mottled with white or brown, lanceolate to ovate, margins ± wavy. |
5–14 cm; blade green, usually not mottled, elliptic-lanceolate to ovate-lanceolate, conduplicate, glaucous, base and margins sometimes purple-brown, margins even. |
Scape | 12–25 cm. |
5–15 cm. |
Inflorescences | 1–3-flowered. |
1-flowered. |
Flowers | tepals white proximally, shading to pink at outer margins, darkest toward tips, with yellow band at base, lanceolate to narrowly ovate, 30–50 mm, inner with small auricles at base; stamens 12–24 mm; filaments white, flattened, slightly widened, linear to lanceolate, 1–2 mm wide; anthers yellow; style white, 10–18 mm; stigma with slender, usually recurved lobes 1–5 mm. |
tepals spreading at anthesis, white, tinged pink, blue, or lavender abaxially, with yellow adaxial spot at base, lanceolate, 15–30 mm, auricles absent; stamens 8–15 mm; filaments yellow, lanceolate; anthers yellow; pollen yellow; style white, 7–10 mm; stigma lobes recurving, 1–1.5 mm. |
Capsules | oblong to obovoid, 3–6 cm. |
resting on ground at maturity due to reclining peduncle, obovoid, 10–15 mm, apex rounded to faintly apiculate or umbilicate. |
2n | = 48. |
= 22. |
Erythronium quinaultense |
Erythronium mesochoreum |
|
Phenology | Flowering late spring (May). | Flowering spring. |
Habitat | Openings and rocky ledges in coniferous forests | Prairies, glades, dry, open woods, occasionally pastures |
Elevation | 500–900 m (1600–3000 ft) | 100–700 m (300–2300 ft) |
Distribution |
WA
|
AR; IA; IL; KS; MO; NE; OK; TX
|
Discussion | Erythronium quinaultense is a tetraploid species apparently derived from hybridization between E. montanum and E. revolutum. It is known only from the southwestern Olympic Peninsula. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Because stolons are absent in Erythronium mesochoreum, most plants in a population produce flowers; nonflowering plants may sometimes appear after flowering plants have flowered. This species is well adapted to prairie fires. The seeds have elaiosomes, and ants may act as dispersal agents (Great Plains Flora Association 1986). C. C. Deam et al. (1941) reported E. mesochoreum from Indiana, but an examination of the specimens cited, now at IND, showed that these are E. albidum. E. L. Braun (1967) reported that many populations of E. albidum in southwestern Ohio indicate introgression with “the Ozarkean var. mesochoreum.” However, personal observation by K. R. Robertson of several Ohio populations in flower confirmed that these plants are true E. albidum, although they occur in prairies and have more or less conduplicate leaves. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 158. | FNA vol. 26, p. 163. |
Parent taxa | Liliaceae > Erythronium | Liliaceae > Erythronium |
Sibling taxa | ||
Synonyms | E. albidum var. coloratum, E. albidum var. mesochoreum | |
Name authority | G. A. Allen: Syst. Bot. 26: 269, fig. 3. (2001) | Knerr: Midland College Monthly 2: 5. (1891) |
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