Allium nevii |
Allium acuminatum |
|
---|---|---|
Nevius' garlic, Nevius' onion |
Hooker's onion, taper-tip 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. |
1–12+, not basally clustered, not forming rhizomes, ovoid to ± globose, 0.8–1.6 × 0.9–1.6 cm; outer coats enclosing 1 or more renewal bulbs, ± yellow-brown, prominently cellular-reticulate, membranous, cells square or polygonal, walls thick, obscurely sinuous, without fibers; inner coats white, cells obscure, ± quadrate. |
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, withering from tip by anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface; blade solid, subterete or ± channeled, 7–30 cm × 1–3 mm, margins entire. |
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, 10–35 cm × 1–3 mm. |
Umbel | persistent, erect, compact, 10–30-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 5–6-veined, ovate, ± equal, apex acute. |
persistent, erect, loose, 10–40-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 3–7-veined, lanceolate to ovate, ± 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. |
campanulate, 8–15 mm; tepals erect, pink to rose-purple, or white, lanceolate to lance-ovate, unequal, becoming rigid and keeled in fruit, margins finely denticulate (inner tepal more prominently so), apex acuminate, outer tepal longer and wider than inner, spreading to recurved at tip, inner tepal with strongly recurved tips; stamens included; anthers yellow; pollen yellow; ovary crested; processes 3, central, 2-lobed, rounded, minute, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, obscurely 3-lobed; pedicel 6–25 mm. |
Seed | coat dull; cells smooth. |
coat dull or shining; cells minutely roughened. |
2n | = 14. |
= 14. |
Allium nevii |
Allium acuminatum |
|
Phenology | Flowering May–Jul. | Flowering Apr–Jul. |
Habitat | Heavy, rocky soils, wet meadows, or along streams | Dry slopes and plains |
Elevation | 30–1900 m (100–6200 ft) | 100–1500 m (300–4900 ft) |
Distribution |
OR; WA
|
AZ; CA; CO; ID; NV; OR; UT; WA; WY; BC
|
Source | FNA vol. 26, p. 267. | FNA vol. 26, p. 261. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | A. douglasii var. nevii | A. acuminatum var. cuspidatum, A. cuspidatum |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 231. (1879) | Hooker: Fl. Bor.-Amer. 2: 184, plate 196. (1838) |
Web links |