Allium campanulatum |
Allium peninsulare |
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dusky onion, rosy Sierra onion, Sierra onion |
Mexicali onion, Peninsula onion, Peninsular onion |
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Bulbs | 1–3, producing cluster of stalked basal bulbels distal to roots or filiform rhizomes to 10 cm and terminated by bulbels, ovoid, 1–2 × 0.6–1.4 cm; outer coats enclosing 1 or more bulbs, brown to gray, membranous, cellular-reticulate, cells ± quadrate, walls very sinuous, without fibers; inner coats pink to white, cells obscure, vertically elongate. |
1–5+, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, not clustered on stout primary rhizome, ovoid to ± globose, 0.6–1 cm × 6–10 mm; outer coats enclosing 1 or more bulbs, brown to gray-brown, prominently cellular-reticulate, membranous, cells arranged in ± vertical rows, forming distinct herringbone pattern, transversely elongate, V-shaped, without fibers; inner coats white, cells not visible or arranged in vertical rows, forming distinct herringbone pattern, ± transversely elongate. |
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Leaves | persistent, withering from tip by anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, distinctly concave-convex, 8–40 cm × 1–5 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, straight to arcuate, 8–30 cm × 1–3 mm, margins entire. |
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Scape | persistent, solitary or clustered, 1–3, erect, solid, terete, 10–30 cm × 1–5 mm. |
persistent, solitary, erect, solid, terete, 12–45 cm × 1–3 mm. |
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Umbel | persistent, erect, loose, 10–50-flowered, ± globose, bulbils unknown; spathe bracts persistent, 2–3, 3–5-veined, ovate to lanceolate, ± equal, apex acuminate. |
persistent, erect, loose, 5–35-flowered, hemispheric to conic, bulbils unknown; spathe bracts persistent, 2, 3–6-veined, lance-ovate to ovate, ± equal, apex acuminate. |
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Flowers | stellate, 5–8 mm; tepals spreading, rose to purple (rarely white) with darker purple crescent adaxially basally, lanceolate to ovate, ± equal, carinate in fruit, becoming erect, ± shiny, rigid, margins entire, apex acuminate, strongly involute at tip; stamens included; anthers purple; pollen yellow; ovary crested; processes 6, prominent, low, central, triangular, margins minutely denticulate; style linear, ± equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 10–20 mm, becoming flexuous and mostly strongly deflexed in fruit. |
campanulate, 8–15 mm; tepals erect, reddish purple, lanceolate to elliptic, unequal, outer tepals longer and wider than inner, becoming rigid and ± carinate in fruit, margins entire or inner minutely denticulate, never crisped, apex acute or short-acuminate, inner tepals spreading at tip, outer ± recurved; stamens included; anthers yellow; pollen yellow; ovary crested; processes 3, central, 2-lobed, minute, margins entire; style linear, equaling stamens; stigma capitate, unlobed to distinctly 3-lobed; pedicel 8–40 mm. |
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Seed | coat shining; cells each with minute, central papilla. |
coat dull; cells minutely roughened. |
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2n | = 14, 28. |
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Allium campanulatum |
Allium peninsulare |
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Phenology | Flowering late May–Aug. | |||||
Habitat | Generally sandy soils on open or shaded slopes | |||||
Elevation | 600–2600 m (2000–8500 ft) | |||||
Distribution |
CA; NV; OR
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w United States; Mexico (Baja California)
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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. 256. | FNA vol. 26, p. 265. | ||||
Parent taxa | ||||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | A. austinae, A. bidwelliae, A. campanulatum var. bidwelliae | |||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 231. (1879) | Lemmon ex Greene: Pittonia 1: 165. (1888) | ||||
Web links |