Calochortus venustus |
Calochortus persistens |
|
---|---|---|
butterfly mariposa lily, square mariposa tulip |
Siskiyou mariposa-lily |
|
Habit | Plants bulbose; bulb coat membranous. | |
Stems | usually branching, 1–6 dm. |
not branching, ca. 1 dm. |
Leaves | basal withering, 1–2 dm; blade linear. |
basal persistent, ca. 2 dm; blade lanceolate, tapering at base, flat. |
Inflorescences | subumbellate, 1–6(–10)-flowered; bracts 2–8 cm. |
subumbellate, 2-flowered. |
Flowers | erect; perianth open, campanulate; sepals lanceolate, 3–5 cm, apex recurved; petals white to brightly or deeply yellow, purple, or dark red, with dark red median blotch, often with second paler distal blotch, obovate or cuneate to clawed, rounded, 3–5 cm, with scattered proximal hairs, apex retuse to obtuse; glands in lower middle of petal, ± square, sometimes ovate, not depressed, covered with short, orange to red-purple hairs; filaments usually equaling anthers; anthers linear-lanceolate to oblong. |
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, linear, angled, 5–6 cm. |
nodding, winged, ellipsoid, ca. 1 cm, apex acute. |
Seeds | light beige, ± flat, 4–6 mm. |
irregular. |
2n | = 14. |
= 20. |
Calochortus venustus |
Calochortus persistens |
|
Phenology | Flowering mid spring–mid summer. | Flowering late spring–mid summer. |
Habitat | Light sandy soil, often in decomposed granite in valley grassland, foothill woodland, and pine forest | Open areas in rocky soils |
Elevation | 300–2700 m (1000–8900 ft) | 1000–1500 m (3300–4900 ft) |
Distribution |
CA
|
CA
|
Discussion | Flower color and pattern are very showy and exceedingly variable in Calochortus venustus. (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. 134. | FNA vol. 26, p. 131. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | Mariposa venusta | |
Name authority | Douglas ex Bentham: Trans. Hort. Soc. London, ser. 2, 1: 412, plate 15, fig. 3. (1835) | Ownbey: Ann. Missouri Bot. Gard. 27: 448, plate 38, figs. 1, 2. (1940) |
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