Allium nevii |
Allium nevadense |
|
---|---|---|
Nevius' garlic, Nevius' onion |
Nevada onion |
|
Bulbs | 1–5+, not clustered on stout, primary rhizome, ovoid, 1–2 × 1–2 cm; outer coats enclosing 1 or more bulbs, light brown, membranous, ± reticulate, cells quadrate to polygonal, vertically oblong, without fibers; inner coats white or pink, cells obscure, quadrate. |
1–3, not clustered on stout, primary rhizome, with 0–2 stalked, basal bulbels, ovoid, 1–2 × 0.8–1.5 cm; outer coats enclosing 1 or more bulbs, brown, membranous, usually prominently cellular-reticulate, cells ± transversely elongate, intricately contorted, without fibers; inner coats white or pinkish, cells elongate, intricately contorted. |
Leaves | usually persistent, withering from tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat or ± channeled, falcate, 12–25 cm × 2–3 mm, margins entire. |
persistent, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 10–20 cm × 1–3 mm. |
Scape | persistent, 1–3, erect, solid, terete or somewhat flattened, 2-edged, not expanded proximal to inflorescence, 15–30 cm × 1–3 mm. |
persistent, solitary, erect, ± solid, terete, 5–15 cm × 1–2.5 mm. |
Umbel | persistent, erect, compact, 10–30-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 5–6-veined, ovate, ± equal, apex acute. |
persistent, erect, compact, 5–25-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 3–7-veined, ovate to lanceolate, ± equal, apex acuminate. |
Flowers | campanulate to substellate, 6–8 mm; tepals spreading, rose-colored, lanceolate, ± equal, becoming papery in fruit, margins entire, apex acuminate; stamens ± equaling tepals, or exserted; anthers blue-gray; pollen light blue or gray; ovary distinctly crested; processes 6, 2 per lobe, low, rounded, margins entire; style exserted, linear; stigma capitate, unlobed; pedicel 8–12 mm. |
stellate, 7–12 mm; tepals spreading, white or pinkish white with dark pink midveins, lanceolate to ovate, ± equal, becoming papery in fruit, margins entire, apex acute to acuminate; stamens included; anthers purple; pollen yellow; ovary crested; processes 6, prominent, ± triangular, margins entire to notched or shallowly toothed; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 8–16 mm. |
Seed | coat dull; cells smooth. |
coat dull; cells minutely roughened. |
2n | = 14. |
= 14, 28. |
Allium nevii |
Allium nevadense |
|
Phenology | Flowering May–Jul. | Flowering Apr–Jun. |
Habitat | Heavy, rocky soils, wet meadows, or along streams | Sandy, rocky, or occasionally clay soils on desert plains and hillsides |
Elevation | 30–1900 m (100–6200 ft) | 1400–1700 m (4600–5600 ft) |
Distribution |
OR; WA
|
AZ; CA; CO; ID; NV; OR; UT
|
Source | FNA vol. 26, p. 267. | FNA vol. 26, p. 248. |
Parent taxa | Liliaceae > Allium | Liliaceae > Allium |
Sibling taxa | ||
Synonyms | A. douglasii var. nevii | A. nevadense var. macropetalum |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 231. (1879) | S. Watson: Botany (Fortieth Parallel), 351, plate 38, figs. 1–3. (1871) |
Web links |