Calochortus lyallii |
Calochortus venustus |
|
---|---|---|
Lyall's mariposa-lily |
butterfly mariposa lily, square mariposa tulip |
|
Habit | Plants bulbose; bulb coat membranous. | |
Stems | not branching or with branch in axil of cauline leaf, straight, 1–5 dm. |
usually branching, 1–6 dm. |
Leaves | basal solitary, persistent, 1–3 dm × 2–20 mm, usually not exceeding inflorescence; blade tapering toward both ends. |
basal withering, 1–2 dm; blade linear. |
Inflorescences | subumbellate, 1–9-flowered; bracts 2–several, lanceolate to linear, attenuate, unequal, 1–5 cm; peduncle slender, becoming stiffly erect in fruit. |
subumbellate, 1–6(–10)-flowered; bracts 2–8 cm. |
Flowers | erect or spreading; perianth open, campanulate; sepals white or purplish-tinged, usually with purple crescent, lanceolate, usually equaling petals, often adaxially papillose, apex acuminate to attenuate; petals white or purplish-tinged, usually with median, red-purple, adaxial crescent distal to gland, ovate to lanceolate, abruptly contracted at base into short, conspicuous claw, usually conspicuously fringed with long, slender hairs, adaxial surface ± papillose, bearing a few long hairs distal to claw, apex acute to acuminate; glands transversely oblong, depressed, arched upward, bordered proximally by narrower, crenate membrane, with short, thick hairs toward distal margin of enclosed surface, both fringe of lower membrane and hairs densely long-papillose; filaments basally dilated, ± equaling anthers; anthers oblong-lanceolate, apex acute to short-apiculate. |
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. |
Capsules | erect, 3-winged, ellipsoid, base and apex acute. |
erect, linear, angled, 5–6 cm. |
Seeds | irregular. |
light beige, ± flat, 4–6 mm. |
2n | = 20. |
= 14. |
Calochortus lyallii |
Calochortus venustus |
|
Phenology | Flowering late spring–mid summer. | Flowering mid spring–mid summer. |
Habitat | Dry slopes, open coniferous forests | Light sandy soil, often in decomposed granite in valley grassland, foothill woodland, and pine forest |
Elevation | 300–1500 m (1000–4900 ft) | 300–2700 m (1000–8900 ft) |
Distribution |
WA; BC
|
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.) |
|
Source | FNA vol. 26, p. 130. | FNA vol. 26, p. 134. |
Parent taxa | Liliaceae > Calochortus | Liliaceae > Calochortus |
Sibling taxa | ||
Synonyms | Mariposa venusta | |
Name authority | Baker: J. Linn. Soc., Bot. 14: 305. (1874) | Douglas ex Bentham: Trans. Hort. Soc. London, ser. 2, 1: 412, plate 15, fig. 3. (1835) |
Web links |