Allium dichlamydeum |
Allium peninsulare |
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coast onion, coastal onion |
Mexicali onion, Peninsula onion, Peninsular onion |
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Bulbs | 1–3, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, not clustered on stout primary rhizome, ovoid to ± globose, 10–15 mm; outer coats enclosing 1 or more bulbs, brown, prominently cellular-reticulate, membranous, cells arranged in ± vertical rows, forming distinct herringbone pattern, transversely elongate, V-shaped, without fibers; inner coats white, cells obscure, arranged in vertical rows, forming distinct herringbone pattern, transversely elongate, V-shaped. |
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, 3–6, basally sheathing, sheaths not extending much above soil surface; blade solid, subterete or ± channeled, arcuate to ± tortuous, 7–25 cm × 1–3 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, erect, solid, terete, 10–30 cm × 2–3 mm. |
persistent, solitary, erect, solid, terete, 12–45 cm × 1–3 mm. |
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Umbel | persistent, erect, compact, 5–30-flowered, conic to hemispheric, bulbils unknown; spathe bracts persistent, 2, 4–6-veined, broadly ovate, ± equal, apex abruptly 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 | campanulate, 9–12 mm; tepals ± erect, deep reddish purple, ovate, unequal, inner shorter and narrower than outer, becoming rigid and ± carinate in fruit, margins entire or inner minutely denticulate, apex acute to obtuse, spreading to recurved at tips; stamens included; anthers yellow; pollen yellow; ovary crested; processes 3, central, 2-lobed, minute, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed or minutely 3-lobed; pedicel 5–20 mm. |
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 dull or shining; cells minutely roughened. |
coat dull; cells minutely roughened. |
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2n | = 14. |
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Allium dichlamydeum |
Allium peninsulare |
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Phenology | Flowering May–Jul. | |||||
Habitat | Dry, clay soils on or near sea cliffs | |||||
Elevation | 10–50 m (0–200 ft) | |||||
Distribution |
CA
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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. 264. | FNA vol. 26, p. 265. | ||||
Parent taxa | Liliaceae > Allium | Liliaceae > Allium | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Greene: Pittonia 1: 166. (1888) | Lemmon ex Greene: Pittonia 1: 165. (1888) | ||||
Web links |