Allium acuminatum |
Allium fimbriatum |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Hooker's onion, taper-tip onion |
fringe onion, wild onion |
|||||||||
Bulbs | 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. |
1–3, not clustered on stout, primary rhizome, ovoid to ± globose, 1–1.7 × 0.8–1.7 cm; outer coats enclosing 1 or more bulbs, reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows proximal to roots, ± quadrate, without fibers; inner coats pale brown to white, cells obscure, quadrate. |
||||||||
Leaves | 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. |
persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 12–50 cm × 1–4 mm. |
||||||||
Scape | persistent, solitary, erect, solid, terete, 10–35 cm × 1–3 mm. |
persistent, solitary, erect, solid, terete, 10–35 cm × 0.5–3.5 mm. |
||||||||
Umbel | persistent, erect, loose, 10–40-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 3–7-veined, lanceolate to ovate, ± equal, apex acuminate. |
persistent, erect, compact, 6–75-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 4–7-veined, lanceolate to ovate, ± equal, apex attenuate to setaceous. |
||||||||
Flowers | 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. |
urceolate to campanulate, 6–12 mm; tepals erect, dark reddish purple to pale lavender, or white, lanceolate to ovate, ± equal, becoming ± rigid to papery in fruit, margins entire or denticulate with few minute teeth near tip, apex acute to acuminate, recurved-spreading or not at tip; stamens included; anthers yellow; pollen yellow; ovary usually crested (rarely crestless); processes 6, prominent, ± triangular, margins denticulate to laciniate; style linear, equaling stamens; stigma capitate, 3-lobed, lobes slender, recurved; pedicel 6–20 mm. |
||||||||
Seed | coat dull or shining; cells minutely roughened. |
coat dull; cells minutely roughened. |
||||||||
2n | = 14. |
|||||||||
Allium acuminatum |
Allium fimbriatum |
|||||||||
Phenology | Flowering Apr–Jul. | |||||||||
Habitat | Dry slopes and plains | |||||||||
Elevation | 100–1500 m (300–4900 ft) | |||||||||
Distribution |
AZ; CA; CO; ID; NV; OR; UT; WA; WY; BC
|
CA; Mexico (Baja California)
|
||||||||
Discussion | Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|||||||||
Key |
|
|||||||||
Source | FNA vol. 26, p. 261. | FNA vol. 26, p. 254. | ||||||||
Parent taxa | Liliaceae > Allium | Liliaceae > Allium | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | A. acuminatum var. cuspidatum, A. cuspidatum | |||||||||
Name authority | Hooker: Fl. Bor.-Amer. 2: 184, plate 196. (1838) | S. Watson: Proc. Amer. Acad. Arts 14: 232. (1879) | ||||||||
Web links |