Allium tuberosum |
Allium lemmonii |
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Chinese chive, garlic chives, oriental garlic |
Lemmon's 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. |
1–5+, not clustered on stout primary rhizome, ovoid, 1.5–2.2 × 1–2 cm; outer coats enclosing 1 or more bulbs, brown, membranous, ± prominently cellular-reticulate, cells in ± regular vertical rows, narrowly rectangular, transversely elongate, without fibers; inner coats white to light brown, cells ± narrowly rectangular, transversely elongate, or quadrate. |
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. |
usually deciduous with scape, green or withering only at tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, falcate, 8–30 cm × 3–5 mm, margins entire. |
Scape | persistent, solitary, erect, terete, 30–50 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, flattened, narrowly winged, 15–20 cm × 1–4 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 to ± loose, 10–40-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 8–10-veined, broadly lanceolate to ovate, ± equal, apex long-acuminate. |
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, 6–9 mm; tepals erect, pink to whitish, lance-ovate, ± equal, becoming ± rigid in fruit, margins entire, apex acute to acuminate; stamens ± equaling tepals; anthers light purple to yellow; pollen yellow; ovary obscurely crested; processes 6, low, central, 2 per lobe, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 8–16 mm. |
Seed | coat shining; cells smooth, irregularly shaped, with ± sinuous walls. |
coat dull; cells smooth. |
2n | = 14. |
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Allium tuberosum |
Allium lemmonii |
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Phenology | Flowering Jul–Aug. | Flowering May–Jun. |
Habitat | Roadsides and other disturbed ground | Drying, clay soils |
Elevation | 1200–1900 m (3900–6200 ft) | |
Distribution |
IA; NE; WI; se Asia [Introduced in North America]
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CA; ID; NV; OR; UT
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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.) |
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Source | FNA vol. 26, p. 240. | FNA vol. 26, p. 270. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | A. incisum, A. scissum | |
Name authority | Rottler ex Sprengel: Syst. Veg. 2: 38. (1825) | S. Watson: Proc. Amer. Acad. Arts 14: 234. (1879) |
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