Allium haematochiton |
Allium oleraceum |
|
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red skinned onion, redskin onion |
field garlic |
|
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. |
1 or more, not attached to rhizome, ovoid, 1.2–2 × 1–1.5 cm; outer coats enclosing bulbs, brown to grayish brown, fibrous, fibers close, ± parallel; inner coats white to light brown, not cellular. |
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. |
withering from tip by anthesis, 2–4, sheathing proximal 1/2+ scape; blade fistulose proximally, solid distally, terete, linear to filiform, prominently ribbed proximally, channeled distally, 1.5–2.5 cm × 0.5–5 mm, margins and veins usually scabrid with minute teeth, apex acute. |
Scape | persistent, 1–2, clustered, erect, solid, slightly compressed, 10–40 cm × 1–3 mm. |
persistent, solitary, erect, terete, 25–100 cm × 4–8 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 to ± loose, 0–40-flowered, subglobose, with few to many bulbils or with bulbils only; spathe bracts persistent, 2, 4–9-veined, lanceolate, unequal, apex acuminate into beak, beak long, slender, to 20 cm, ± equaling or longer than base. |
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. |
usually aborting before capsules mature, if present, campanulate, 6–8 mm; tepals erect, whitish or pinkish to purple, outer narrowly obovate, inner ± elliptic, unequal, margins entire, apex obtuse; stamens included; anthers yellow to reddish; pollen yellow; ovary crestless; style linear, equaling stamens; stigma capitate, unlobed; pedicel 15–60 mm. |
Seed | coat dull; cells minutely roughened. |
coat unknown; capsules only rarely produced. |
2n | = 14. |
|
Allium haematochiton |
Allium oleraceum |
|
Phenology | Flowering Mar–May. | Flowering late Jul–Aug. |
Habitat | Dry slopes and ridges of clay or stony soil | Roadsides and other disturbed ground |
Elevation | 50–800 m (200–2600 ft) | |
Distribution |
CA; Mexico (Baja California)
|
Europe [Introduced in North America] |
Discussion | Allium oleraceum is reported from New England, where it is sometimes found on roadsides and other disturbed ground. It persists and is spread easily by the bulbils. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26, p. 246. | FNA vol. 26, p. 238. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | A. marvinii | |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 227. (1879) | Linnaeus: Sp. Pl. 1: 299. (1753) |
Web links |