Allium nevadense |
Allium canadense |
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Nevada onion |
meadow garlic, wild onion |
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Bulbs | 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. |
1–4+, without rhizome, with or without basal bulbels, often clustered, ovoid, 1–2.5 × 0.6–3 cm; outer coats enclosing 1 or more bulbs, brownish or grayish, reticulate, cells fine-meshed, open, fibrous; inner coats whitish, cells vertically elongate, sometimes contorted, walls straight or ± sinuous. |
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Leaves | persistent, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 10–20 cm × 1–3 mm. |
persistent, green at anthesis, 2–6, basally sheathing, sheaths extending less than 1/4 scape; blade solid, flat, channeled, not carinate, 20–50 cm × 1–7 mm, margins entire or denticulate, apex acute to obtuse. |
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Scape | persistent, solitary, erect, ± solid, terete, 5–15 cm × 1–2.5 mm. |
persistent, usually solitary, erect, terete, 10–60 cm × 1–5 mm. |
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Umbel | persistent, erect, compact, 5–25-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 3–7-veined, ovate to lanceolate, ± equal, apex acuminate. |
persistent, erect, loose, 0–60-flowered, hemispheric to globose, bulbils unknown or flowering pedicels replaced at least in part by bulbils; spathe bracts persistent, 3–4, 3–7-veined, ovate to lanceolate, ± equal, apex acuminate, beakless. |
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Flowers | 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. |
urceolate-campanulate, 4–8 mm; tepals erect or spreading, white to pink or lavender, lanceolate to elliptic, ± equal, withering in fruit and exposing capsule, midribs somewhat thickened, margins entire, apex obtuse to acute; stamens included; anthers yellow; pollen yellow; ovary, when present, crestless; style linear, ± equaling stamens; stigma capitate, unlobed or obscurely 3-lobed; pedicel 8–70 mm. |
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Seed | coat dull; cells minutely roughened. |
coat shining; cells each with minute, central papilla. |
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2n | = 14, 28. |
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Allium nevadense |
Allium canadense |
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Phenology | Flowering Apr–Jun. | |||||||||||||||||||||
Habitat | Sandy, rocky, or occasionally clay soils on desert plains and hillsides | |||||||||||||||||||||
Elevation | 1400–1700 m (4600–5600 ft) | |||||||||||||||||||||
Distribution |
AZ; CA; CO; ID; NV; OR; UT
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North America
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Discussion | Varieties 6 (6 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 248. | FNA vol. 26, p. 235. | ||||||||||||||||||||
Parent taxa | Liliaceae > Allium | Liliaceae > Allium | ||||||||||||||||||||
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Synonyms | A. nevadense var. macropetalum | |||||||||||||||||||||
Name authority | S. Watson: Botany (Fortieth Parallel), 351, plate 38, figs. 1–3. (1871) | Linnaeus: Sp. Pl. 2: 1195. (1753) | ||||||||||||||||||||
Web links |