Difference between revisions of "Allium tuberosum"
Syst. Veg. 2: 38. 1825.
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|habitat=Roadsides and other disturbed ground | |habitat=Roadsides and other disturbed ground | ||
|distribution=Iowa;Nebr.;Wis.;se Asia. | |distribution=Iowa;Nebr.;Wis.;se Asia. | ||
| + | |introduced=true | ||
|discussion=<p><i>Allium tuberosum</i> 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.</p> | |discussion=<p><i>Allium tuberosum</i> 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.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Allium tuberosum | name=Allium tuberosum | ||
| − | |||
|authority=Rottler ex Sprengel | |authority=Rottler ex Sprengel | ||
|rank=species | |rank=species | ||
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|publication year=1825 | |publication year=1825 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_416.xml |
|genus=Allium | |genus=Allium | ||
|species=Allium tuberosum | |species=Allium tuberosum | ||
Latest revision as of 21:15, 5 November 2020
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
Introduced; 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.
Selected References
None.