Calochortus howellii |
Calochortus persistens |
|
---|---|---|
Howell's mariposa lily |
Siskiyou mariposa-lily |
|
Stems | slender, not branching or rarely branching in axil of cauline leaf, straight, 2–4 dm. |
not branching, ca. 1 dm. |
Leaves | basal persistent, 20–35 cm; blade gradually tapering distally, adaxially pubescent. |
basal persistent, ca. 2 dm; blade lanceolate, tapering at base, flat. |
Inflorescences | subumbellate, 1–3-flowered; bracts 2, subopposite, linear to narrowly lanceolate, attenuate, 1–3 cm. |
subumbellate, 2-flowered. |
Flowers | erect; perianth open, campanulate; sepals shorter than petals, ovate-acuminate, glabrous; petals yellowish white, with purplish hairs toward base, broadly obovate, cuneate, inconspicuously fringed laterally, sparingly short-hairy adaxially, apex rounded; glands transversely oblong, slightly depressed, densely covered with short, distally branching hairs, the bases of which unite at lower margin to form inconspicuous, discontinuous membranes; filaments shorter than anthers; anthers oblong-lanceolate, apex acute to short-apiculate. |
erect; perianth open, campanulate; sepals smaller than petals; petals pink to light purplish, obovate, 35–40 mm, adaxial surface hairy only distal to gland, margins yellow-ciliate; glands bordered proximally by wide, ciliate membrane, distally by short hairs; anthers lanceolate, apex apiculate. |
Capsules | erect, 3-winged, ellipsoid, ca. 2 cm, base and apex acute. |
nodding, winged, ellipsoid, ca. 1 cm, apex acute. |
Seeds | light-colored, irregular. |
irregular. |
2n | = 20. |
= 20. |
Calochortus howellii |
Calochortus persistens |
|
Phenology | Flowering late spring–mid summer. | Flowering late spring–mid summer. |
Habitat | Dry, rocky, serpentine soils | Open areas in rocky soils |
Elevation | 300–500 m (1000–1600 ft) | 1000–1500 m (3300–4900 ft) |
Distribution |
OR
|
CA
|
Discussion | Calochortus howellii is known only from the Illinois River valley, Josephine County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Calochortus persistens is restricted to the Klamath and Cascade ranges in Siskiyou County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 129. | FNA vol. 26, p. 131. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Name authority | S. Watson: Proc. Amer. Acad. Arts 23: 266. (1888) | Ownbey: Ann. Missouri Bot. Gard. 27: 448, plate 38, figs. 1, 2. (1940) |
Web links |