Allium haematochiton |
Allium hoffmanii |
|
---|---|---|
red skinned onion, redskin onion |
beegum onion |
|
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. |
usually solitary, not clustered on stout primary rhizomes, ovoid, 1.5–2.5 × 1–1.5 cm; outer coats enclosing single bulb, brown or gray, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white or pink, cells not visible. |
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. |
usually deciduous with scape, withering from tip at anthesis, 1, basally sheathing, sheath not extending much above soil surface; blade solid, flat or broadly channeled, ± falcate, 10–22 cm × 4–8 mm, margins entire. |
Scape | persistent, 1–2, clustered, erect, solid, slightly compressed, 10–40 cm × 1–3 mm. |
usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, terete, 5–10 cm × 0.5–2 mm. |
Umbel | persistent, erect, compact, 10–30-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–4, 2–3-veined, ovate-lanceolate, ± equal, apex obtuse. |
persistent, erect, compact, 10–40-flowered, globose to conic, bulbils unknown; spathe bracts persistent, 3–4, 3-veined, ovate, ± equal, apex acuminate. |
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. |
conical to campanulate, 8–10 mm; tepals strictly erect, pink to purplish with prominent greenish midvein, linear-lanceolate, ± equal, becoming membranous, withering in fruit, margins entire, apex acuminate; stamens exserted; filaments papillose-glandular proximally; anthers purple; pollen yellow or gray; ovary crested; processes 6, obscure, central, low, rounded, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, obscurely 3-lobed; pedicel 8–15 mm. |
Seed | coat dull; cells minutely roughened. |
coat dull; cells smooth. |
2n | = 14. |
= 14. |
Allium haematochiton |
Allium hoffmanii |
|
Phenology | Flowering Mar–May. | Flowering Jun–Jul. |
Habitat | Dry slopes and ridges of clay or stony soil | Serpentine clay |
Elevation | 50–800 m (200–2600 ft) | 1100–1800 m (3600–5900 ft) |
Distribution |
CA; Mexico (Baja California)
|
CA |
Source | FNA vol. 26, p. 246. | FNA vol. 26, p. 273. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | A. marvinii | |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 227. (1879) | Ownbey ex Traub: Pl. Life 28: 63. (1972) |
Web links |