Allium tuberosum |
Allium fimbriatum |
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Chinese chive, garlic chives, oriental garlic |
fringe onion, wild onion |
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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. |
1–3, not clustered on stout, primary rhizome, ovoid to ± globose, 1–1.7 × 0.8–1.7 cm; outer coats enclosing 1 or more bulbs, reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows proximal to roots, ± quadrate, without fibers; inner coats pale brown to white, cells obscure, quadrate. |
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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, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 12–50 cm × 1–4 mm. |
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Scape | persistent, solitary, erect, terete, 30–50 cm × 1–3 mm. |
persistent, solitary, erect, solid, terete, 10–35 cm × 0.5–3.5 mm. |
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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, 6–75-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 4–7-veined, lanceolate to ovate, ± equal, apex attenuate to setaceous. |
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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. |
urceolate to campanulate, 6–12 mm; tepals erect, dark reddish purple to pale lavender, or white, lanceolate to ovate, ± equal, becoming ± rigid to papery in fruit, margins entire or denticulate with few minute teeth near tip, apex acute to acuminate, recurved-spreading or not at tip; stamens included; anthers yellow; pollen yellow; ovary usually crested (rarely crestless); processes 6, prominent, ± triangular, margins denticulate to laciniate; style linear, equaling stamens; stigma capitate, 3-lobed, lobes slender, recurved; pedicel 6–20 mm. |
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Seed | coat shining; cells smooth, irregularly shaped, with ± sinuous walls. |
coat dull; cells minutely roughened. |
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Allium tuberosum |
Allium fimbriatum |
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Phenology | Flowering Jul–Aug. | |||||||||
Habitat | Roadsides and other disturbed ground | |||||||||
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.) |
Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 240. | FNA vol. 26, p. 254. | ||||||||
Parent taxa | Liliaceae > Allium | Liliaceae > Allium | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | Rottler ex Sprengel: Syst. Veg. 2: 38. (1825) | S. Watson: Proc. Amer. Acad. Arts 14: 232. (1879) | ||||||||
Web links |