Allium campanulatum |
Allium haematochiton |
|
---|---|---|
dusky onion, rosy Sierra onion, Sierra onion |
red skinned onion, redskin onion |
|
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. |
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, 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, 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, solitary or clustered, 1–3, erect, solid, terete, 10–30 cm × 1–5 mm. |
persistent, 1–2, clustered, erect, solid, slightly compressed, 10–40 cm × 1–3 mm. |
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, compact, 10–30-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–4, 2–3-veined, ovate-lanceolate, ± equal, apex obtuse. |
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, 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 shining; cells each with minute, central papilla. |
coat dull; cells minutely roughened. |
2n | = 14, 28. |
= 14. |
Allium campanulatum |
Allium haematochiton |
|
Phenology | Flowering late May–Aug. | Flowering Mar–May. |
Habitat | Generally sandy soils on open or shaded slopes | Dry slopes and ridges of clay or stony soil |
Elevation | 600–2600 m (2000–8500 ft) | 50–800 m (200–2600 ft) |
Distribution |
CA; NV; OR
|
CA; Mexico (Baja California)
|
Source | FNA vol. 26, p. 256. | FNA vol. 26, p. 246. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | A. austinae, A. bidwelliae, A. campanulatum var. bidwelliae | A. marvinii |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 231. (1879) | S. Watson: Proc. Amer. Acad. Arts 14: 227. (1879) |
Web links |