Calochortus umpquaensis |
Calochortus amoenus |
|
---|---|---|
Umpqua mariposa-lily |
purple fairy-lantern |
|
Stems | not branching, straight, often scapelike, 2–3 dm, glabrous or glaucous. |
branching, 2–5 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 persistent, 2–5 dm; blade linear, flat. |
Inflorescences | 2–many-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. |
nodding; perianth closed at apex, globular; sepals spreading, lanceolate, 10–15 mm, glabrous, apex acute; petals rose, elliptic-obovate, 16–25 mm, margins sparsely ciliate and hairy; glands ± depressed, with 4–5 ciliate membranes, proximal membrane ± equaling petal width; filaments equaling anthers; anthers oblong, apex obtuse. |
Capsules | nodding, 3–5.4 cm. |
nodding, narrowly winged, oblong, 2–3 cm, apex obtuse or acute. |
Seeds | 2.8–3.5 mm, with inflated bulbous crest and hollow lateral ridge. |
dark brown, irregular. |
2n | = 20. |
= 20. |
Calochortus umpquaensis |
Calochortus amoenus |
|
Phenology | Flowering late spring–mid summer. | Flowering mid spring–mid summer. |
Habitat | Grassland-forest ecotones in serpentine-derived soils | Grassy slopes in partial shade |
Elevation | 300–500 m (1000–1600 ft) | 500–1500 m (1600–4900 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.) |
|
Source | FNA vol. 26, p. 130. | FNA vol. 26, p. 122. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) | Greene: Pittonia 2: 71. (1890) |
Web links |