Calochortus howellii |
Calochortus subalpinus |
|
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Howell's mariposa lily |
Cascade mariposa lily, cat's ear lily, mountain cat's ear, mountain mariposa, subalpine mariposa-lily |
|
Stems | slender, not branching or rarely branching in axil of cauline leaf, straight, 2–4 dm. |
usually not branching, straight or flexuous, often scapelike, 0.5–3 dm. |
Leaves | basal persistent, 20–35 cm; blade gradually tapering distally, adaxially pubescent. |
basal 1–3 dm × 2–15 mm, usually equaling or exceeding stem length; blade flat, adaxial surface glabrous. |
Inflorescences | subumbellate, 1–3-flowered; bracts 2, subopposite, linear to narrowly lanceolate, attenuate, 1–3 cm. |
subumbellate, 1–5-flowered; bracts 2–several, lanceolate to linear, unequal, 1–5 cm, apex acuminate; peduncle slender, becoming stouter, deflexed in fruit. |
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 or spreading; perianth open, campanulate; sepals typically with purple glandular blotch near base, oblong-lanceolate, shorter than petals, adaxial surface minutely hairy, apex acute to acuminate; petals yellowish white, sometimes lavender-tinged, frequently with narrow purple crescent distal to gland, broadly obovate, cuneate, moderately bearded nearly to apex, adaxial surface densely hairy, margins fringed, apex obtuse or acute; glands transversely oblong, arched upward, ± deeply depressed, bordered proximally by narrow, ascending, deeply fringed membrane, distally by narrow, crenate membranes, gland surface with rather long, slender hairs toward distal portion; anthers lanceolate, apex long-apiculate. |
Capsules | erect, 3-winged, ellipsoid, ca. 2 cm, base and apex acute. |
nodding, 3-winged, ellipsoid, apex usually acute. |
Seeds | light-colored, irregular. |
pale yellow. |
2n | = 20. |
= 20. |
Calochortus howellii |
Calochortus subalpinus |
|
Phenology | Flowering late spring–mid summer. | Flowering summer. |
Habitat | Dry, rocky, serpentine soils | Open forest in loose volcanic soils |
Elevation | 300–500 m (1000–1600 ft) | 1000–2200 m (3300–7200 ft) |
Distribution |
OR
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OR; WA
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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. 126. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | C. lobbii | |
Name authority | S. Watson: Proc. Amer. Acad. Arts 23: 266. (1888) | Piper: Contr. U.S. Natl. Herb. 11: 195. (1906) |
Web links |