Allium tuberosum |
Allium haematochiton |
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Chinese chive, garlic chives, oriental garlic |
red skinned onion, redskin onion |
|
Bulbs | 1–3, borne on stout, ± horizontal rhizome, elongate, cylindric or conic, 0.5–1.5 × 0.7–2 cm; outer coats enclosing 1 or more bulbs, brown, reticulate, cells ± fine-meshed, open, fibrous; inner coats white, cells closely parallel, 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 | withering from tip by anthesis, 2–5, sheathing scape to ± soil level; blade solid, flat, carinate abaxially, 20–40 cm × 2–6 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, erect, terete, 30–50 cm × 1–3 mm. |
persistent, 1–2, clustered, erect, solid, slightly compressed, 10–40 cm × 1–3 mm. |
Umbel | persistent, erect, loose, 20–50-flowered, hemispheric-globose, bulbils unknown; spathe bracts persistent, 1–3, 3–7-veined, lance-ovate, shorter than pedicel, 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 | substellate, 4–9 mm; tepals spreading, white with green or brownish midveins, lanceolate to elliptic, ± equal, withering and exposing capsule, margins entire, apex obtuse or acute; stamens included; anthers purple; pollen white; ovary crestless; style linear, ± equaling stamens; stigma capitate, unlobed; pedicel 10–30 mm. |
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 smooth, irregularly shaped, with ± sinuous walls. |
coat dull; cells minutely roughened. |
2n | = 14. |
|
Allium tuberosum |
Allium haematochiton |
|
Phenology | Flowering Jul–Aug. | Flowering Mar–May. |
Habitat | Roadsides and other disturbed ground | Dry slopes and ridges of clay or stony soil |
Elevation | 50–800 m (200–2600 ft) | |
Distribution |
IA; NE; WI; se Asia [Introduced in North America]
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CA; Mexico (Baja California)
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Discussion | Allium tuberosum is cultivated in China, Siberia, and North America, and is reported to be established in New England. It may escape anywhere the species is cultivated. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26, p. 240. | FNA vol. 26, p. 246. |
Parent taxa | Liliaceae > Allium | Liliaceae > Allium |
Sibling taxa | ||
Synonyms | A. marvinii | |
Name authority | Rottler ex Sprengel: Syst. Veg. 2: 38. (1825) | S. Watson: Proc. Amer. Acad. Arts 14: 227. (1879) |
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