Allium sanbornii |
Allium parishii |
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Sanborn's onion |
Parish's onion, wild onion |
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Bulbs | 1–3, not clustered on stout, primary rhizome, ovoid, 1–2.5(–3) × 1.2–2 cm; outer coats enclosing 1 or more bulbs, dark reddish brown, chartaceous, lacking cellular reticulation or cells arranged in 2–3 rows distal to roots, ± quadrate, without fibers; inner coats light brown or white, cells obscurely quadrate. |
1–2, not clustered on primary rhizome, without stalked basal increase bulbs, ovoid, 1–1.5 × 0.8–1.3 cm; outer coats enclosing bulbs, brown to reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats pinkish to reddish brown, cells obscure, ± rectangular, vertically elongate. |
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Leaves | persistent, withering from tip by anthesis, 1, basally sheathing, sheath never extending much above soil level; blade solid, terete, 30–45 cm × 2–4 mm. |
persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil level; blade solid, terete, 5–30 cm × 1–3 mm. |
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Scape | persistent, solitary, erect, ± solid, terete, 18–60 cm × 2–3 mm. |
persistent, solitary, erect, solid, terete, 5–25 cm × 1–3 mm. |
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Umbel | persistent, erect, compact, 18–190-flowered, hemispheric to globose, bulbils unknown; spathe bracts persistent, 4, 3-veined, ovate, ± equal, apex long-acuminate. |
persistent, erect, compact, 6–15-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 5–7-veined, ovate, ± equal, apex acuminate. |
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Flowers | campanulate, 5–9 mm; tepals erect, white to pink with darker midveins, unequal, becoming papery in fruit, margins entire or irregular to erose, apex acute or acuminate to long-acuminate; outer tepals lanceolate to ovate, reflexed at tip; inner 1/4–1/3 longer than outer, ovate to broadly ovate; stamens exserted; anthers yellow or purple; pollen yellow or white; ovary crested; processes 6, prominent, erect, ± triangular, margins entire; style linear, equaling stamens; stigma capitate, obscurely to distinctly 3-lobed, lobes erect or spreading, ± stout; pedicel 8–22 mm. |
narrowly campanulate, 12–18 mm; tepals erect, spreading at tips, pale pink with darker midveins, lanceolate to lance-linear, ± equal, inner slightly shorter and narrower than outer, margins entire, apex acute, becoming rigid in fruit; stamens included; anthers yellow; pollen yellow; ovary crested; processes 6, prominent, ± triangular, margins entire to irregularly denticulate; style linear, equaling stamens; stigma capitate, scarcely thickened, minutely 3-lobed, lobes stout, ± spreading; pedicel 5–15 mm. |
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Seed | coat dull; cells minutely roughened. |
coat dull or shining; cells minutely roughened. |
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2n | = 14. |
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Allium sanbornii |
Allium parishii |
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Phenology | Flowering Apr–May. | |||||
Habitat | Rocky, sandy desert slopes | |||||
Elevation | 900–1400 m (3000–4600 ft) | |||||
Distribution |
Calif and Oreg
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AZ; CA
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Discussion | Varieties 2 (2 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. 249. | ||||
Parent taxa | Liliaceae > Allium | Liliaceae > Allium | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 171. (1868) | S. Watson: Proc. Amer. Acad. Arts 17: 380. (1882) | ||||
Web links |