Calochortus howellii |
Calochortus flexuosus |
|
---|---|---|
Howell's mariposa lily |
winding mariposa, winding mariposa lily |
|
Habit | Plants rarely bulbose; bulb coat, when present, membranous. | |
Stems | slender, not branching or rarely branching in axil of cauline leaf, straight, 2–4 dm. |
twining or straggling over ground, branching, 1–2 dm, usually sinuous. |
Leaves | basal persistent, 20–35 cm; blade gradually tapering distally, adaxially pubescent. |
basal, withering; blade linear, attenuate. |
Inflorescences | subumbellate, 1–3-flowered; bracts 2, subopposite, linear to narrowly lanceolate, attenuate, 1–3 cm. |
1–4-flowered; bracts 1–3 cm. |
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, each member with transverse yellow band; sepals lanceolate to lanceolate-ovate, 2–3 cm; petals white with lilac tinge, darker veined, especially distally, sometimes with purple blotch distal to gland, obovate to cuneate, 3–4 cm, with sparse or dense, short or long hairs near gland, apex rounded; glands transverse-lunate or wider, densely short-hairy; filaments 6–10 mm; anthers oblong, 5–7 mm, apex obtuse or acute. |
Capsules | erect, 3-winged, ellipsoid, ca. 2 cm, base and apex acute. |
erect, lanceoloid, angled, stout, 3–4 cm. |
Seeds | light-colored, irregular. |
light beige, flat. |
2n | = 20. |
= 14. |
Calochortus howellii |
Calochortus flexuosus |
|
Phenology | Flowering late spring–mid summer. | Flowering spring. |
Habitat | Dry, rocky, serpentine soils | Dry stony slopes, desert hills, mesas, creosote bush scrub, sagebrush scrub |
Elevation | 300–500 m (1000–1600 ft) | 500–2000 m (1600–6600 ft) |
Distribution |
OR
|
AZ; CA; CO; NM; NV; UT
|
Discussion | Calochortus howellii is known only from the Illinois River valley, Josephine 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) | S. Watson: Amer. Naturalist 7: 303. (1873) |
Web links |