Calochortus umpquaensis |
Calochortus westonii |
|
---|---|---|
Umpqua mariposa-lily |
mariposa-lily, Shirley Meadows mariposa lily, Shirley Meadows star-tulip |
|
Stems | not branching, straight, often scapelike, 2–3 dm, glabrous or glaucous. |
slender and delicate, not branching, 3–15 cm. |
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 persistent, 1–2 dm; blade linear, flat. |
Inflorescences | 1–12-flowered. |
|
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 to spreading; perianth open, campanulate; sepals ca. 10 mm; petals white to light blue, lanceolate, 8–12 mm, ciliate only on margins, adaxial surface hairy only distal to gland, apex acute; glands slightly depressed, bordered proximally by ciliate membrane, distally by short hairs; anther apex acute to acuminate. |
Capsules | nodding, 3–5.4 cm. |
nodding, angled, 1–2 cm, apex acute. |
Seeds | 2.8–3.5 mm, with inflated bulbous crest and hollow lateral ridge. |
irregular. |
2n | = 20. |
|
Calochortus umpquaensis |
Calochortus westonii |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring. |
Habitat | Grassland-forest ecotones in serpentine-derived soils | Open places in woods, meadows |
Elevation | 300–500 m (1000–1600 ft) | 1500–2000 m (4900–6600 ft) |
Distribution |
OR
|
CA |
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.) |
Of conservation concern. Calochortus westonii is known from the Greenhorn Mountains, Kern and Tulare counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 130. | FNA vol. 26, p. 125. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | C. coeruleus var. westonii | |
Name authority | Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) | Eastwood: Proc. Calif. Acad. Sci., ser. 4, 20: 136. (1931) |
Web links |