Allium haematochiton |
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red skinned onion, redskin onion |
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Bulbs | 2–3+, usually clustered, short-rhizomatous at base, rhizome not stout or iris-like, oblong, 2–3 × 1–1.5 cm; outer coats enclosing single bulb, ± reddish brown, membranous, striations fine, cells narrow, elongate, vertical; inner coats deep red to white, finely striate, cells narrow, vertically elongate. |
Leaves | persistent, green at anthesis, 3–6, basally sheathing, sheaths not extending much above soil level; blade solid, terete, 3-angled, 15–30 cm × 1–4 mm, margins entire. |
Scape | persistent, 1–2, clustered, erect, solid, slightly compressed, 10–40 cm × 1–3 mm. |
Umbel | persistent, erect, compact, 10–30-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–4, 2–3-veined, ovate-lanceolate, ± equal, apex obtuse. |
Flowers | campanulate, 6–8 mm; tepals erect, white to rose, with darker midvein, broadly ovate to lance-ovate, ± equal, becoming rigid and permanently investing capsule, margins entire, apex acute; stamens included; anthers white; pollen white to dark gray; ovary crested; processes 6, rounded, short, densely papillose; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 1–2 cm. |
Seed | coat dull; cells minutely roughened. |
2n | = 14. |
Allium haematochiton |
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Phenology | Flowering Mar–May. |
Habitat | Dry slopes and ridges of clay or stony soil |
Elevation | 50–800 m (200–2600 ft) |
Distribution |
CA; Mexico (Baja California)
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Source | FNA vol. 26, p. 246. |
Parent taxa | |
Sibling taxa | |
Synonyms | A. marvinii |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 227. (1879) |
Web links |