Calochortus umpquaensis |
Calochortus lyallii |
|
---|---|---|
Umpqua mariposa-lily |
Lyall's mariposa-lily |
|
Stems | not branching, straight, often scapelike, 2–3 dm, glabrous or glaucous. |
not branching or with branch in axil of cauline leaf, straight, 1–5 dm. |
Leaves | basal solitary, clasping; blade narrowly lanceolate, hairy, adaxially hispid, abaxially glabrous, sometimes glaucous. Inflorescences 1–several-flowered; bracts 2, suboppo-site, narrowly lanceolate. |
basal solitary, persistent, 1–3 dm × 2–20 mm, usually not exceeding inflorescence; blade tapering toward both ends. |
Inflorescences | subumbellate, 1–9-flowered; bracts 2–several, lanceolate to linear, attenuate, unequal, 1–5 cm; peduncle slender, becoming stiffly erect in fruit. |
|
Flowers | erect; perianth open, campanulate; sepals lanceolate-acuminate, ca. 2 cm; petals white to cream, with dark purple-black, pentagonal to lunate blotch, broadly oblong to obovate, 3.5 cm, bearded, adaxial surface typically minutely papillose, margins erose; glands transversely oblong-lunate, slightly depressed, with 0.7–1.4 mm-wide band of short dendritic hairs distally, hairs surrounded by lime-green coloration and purple striations; anthers lanceolate, apex acuminate. |
erect or spreading; perianth open, campanulate; sepals white or purplish-tinged, usually with purple crescent, lanceolate, usually equaling petals, often adaxially papillose, apex acuminate to attenuate; petals white or purplish-tinged, usually with median, red-purple, adaxial crescent distal to gland, ovate to lanceolate, abruptly contracted at base into short, conspicuous claw, usually conspicuously fringed with long, slender hairs, adaxial surface ± papillose, bearing a few long hairs distal to claw, apex acute to acuminate; glands transversely oblong, depressed, arched upward, bordered proximally by narrower, crenate membrane, with short, thick hairs toward distal margin of enclosed surface, both fringe of lower membrane and hairs densely long-papillose; filaments basally dilated, ± equaling anthers; anthers oblong-lanceolate, apex acute to short-apiculate. |
Capsules | nodding, 3–5.4 cm. |
erect, 3-winged, ellipsoid, base and apex acute. |
Seeds | 2.8–3.5 mm, with inflated bulbous crest and hollow lateral ridge. |
irregular. |
2n | = 20. |
= 20. |
Calochortus umpquaensis |
Calochortus lyallii |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–mid summer. |
Habitat | Grassland-forest ecotones in serpentine-derived soils | Dry slopes, open coniferous forests |
Elevation | 300–500 m (1000–1600 ft) | 300–1500 m (1000–4900 ft) |
Distribution |
OR
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WA; BC
|
Discussion | Of conservation concern. Calochortus umpquaensis is known only from Watson and Ace Williams mountains on both sides of the Little River, Douglas County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26, p. 130. | FNA vol. 26, p. 130. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) | Baker: J. Linn. Soc., Bot. 14: 305. (1874) |
Web links |