Allium geyeri |
Allium geyeri var. geyeri |
|||||
---|---|---|---|---|---|---|
Geyer's onion |
Geyer's onion |
|||||
Bulbs | 2–10+, not rhizomatous, ovoid or more elongate, 1–2.5 × 0.8–2 cm; outer coats enclosing 1 or more bulbs, gray or brown, reticulate, cells rather coarse-meshed, open, fibrous; inner coats whitish, cells vertically elongate and regular or obscure. |
|||||
Leaves | persistent, usually green at anthesis, usually 3–5, sheathing less than 1/4 scape; blade solid, ± straight, flat, channeled, (6–)12–30 cm × 1–3(–5) mm, margins entire or denticulate. |
|||||
Scape | persistent, solitary, erect, terete or somewhat 2-angled, 10–50 cm × 1–3 mm. |
|||||
Umbel | persistent, erect, compact, 10–25-flowered, hemispheric to globose, not producing bulbils, or 0–5-flowered, largely replaced by ovoid, acuminate bulbils; spathe bracts persistent, 2–3, mostly 1-veined, ovate to lanceolate, ± equal, apex acuminate, beakless. |
10–25-flowered, not producing bulbils. |
||||
Flowers | urceolate-campanulate, (4–)6–8(–10) mm; tepals erect or spreading, pink to white, ovate to lanceolate, ± equal, not withering in fruit and permanently investing fruit, or withering if fruit not produced, midribs papillose, becoming callous-keeled, margins often obscurely toothed, apex obtuse to acuminate; stamens included; anthers yellow; pollen yellow; ovary when present, inconspicuously crested; processes 6, central, low, distinct or connate in pairs across septa, ± erect, rounded, margins entire, becoming variously developed or obsolete in fruit; style linear, ± equaling stamens; stigma capitate, unlobed or obscurely lobed; pedicel becoming rigid and stiffly spreading in fruit, 8–13 mm. |
tepals white to pink; pedicel 8–13 mm. |
||||
Seed(s) | coat shining; cells each with minute, central papilla. |
commonly produced. |
||||
2n | = 14, 28. |
|||||
Allium geyeri |
Allium geyeri var. geyeri |
|||||
Phenology | Flowering May–Sep. | |||||
Habitat | Moist, open slopes, meadows, or stream banks in mountains | |||||
Elevation | 200–4000 m (700–13100 ft) | |||||
Distribution |
w North America
|
AZ; CO; ID; MT; NM; NV; SD; TX; UT; WA; WY; AB; SK |
||||
Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|||||
Key |
|
|||||
Source | FNA vol. 26, p. 237. | FNA vol. 26, p. 237. | ||||
Parent taxa | Liliaceae > Allium | Liliaceae > Allium > Allium geyeri | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | A. dictyotum, A. funiculosum, A. pikeanum | |||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 227. (1879) | unknown | ||||
Web links |
|