Allium tuberosum

Rottler ex Sprengel

Syst. Veg. 2: 38. 1825

Common names: Chinese chive oriental garlic
Treatment appears in FNA Volume 26. Treatment on page 240. Mentioned on page 224, 227.
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. 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. Scape persistent, solitary, erect, terete, 30–50 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. 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. Seed coat shining; cells smooth, irregularly shaped, with ± sinuous walls.

Phenology: Flowering Jul–Aug.
Habitat: Roadsides and other disturbed ground

Distribution

Iowa, Nebr., Wis., se Asia.

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.

References

None.

Lower Taxa

No lower taxa listed.