Allium oleraceum |
Allium drummondii |
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field garlic |
Drummond onion, Drummond's onion |
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Bulbs | 1 or more, not attached to rhizome, ovoid, 1.2–2 × 1–1.5 cm; outer coats enclosing bulbs, brown to grayish brown, fibrous, fibers close, ± parallel; inner coats white to light brown, not cellular. |
1–5, without basal bulbels, ovoid, 1–1.8 × 0.7–1.5 cm; outer coats enclosing 1 or more bulbs, brown, reticulate, cells fine-meshed, mostly closed in proximal 1/2 of bulb, fibrous; inner coats whitish or brownish, cells intricately contorted, walls usually not sinuous. |
Leaves | withering from tip by anthesis, 2–4, sheathing proximal 1/2+ scape; blade fistulose proximally, solid distally, terete, linear to filiform, prominently ribbed proximally, channeled distally, 1.5–2.5 cm × 0.5–5 mm, margins and veins usually scabrid with minute teeth, apex acute. |
persistent, green at anthesis, 2–5, sheathing; blade solid, flat, channeled, 10–30 cm × 1–3(–5) mm, margins entire. |
Scape | persistent, solitary, erect, terete, 25–100 cm × 4–8 mm. |
persistent, solitary, erect, terete, 10–30 cm × 1–3 mm. |
Umbel | persistent, erect, compact to ± loose, 0–40-flowered, subglobose, with few to many bulbils or with bulbils only; spathe bracts persistent, 2, 4–9-veined, lanceolate, unequal, apex acuminate into beak, beak long, slender, to 20 cm, ± equaling or longer than base. |
persistent, erect, compact to ± loose, usually 10–25-flowered, hemispheric-globose, rarely replaced by bulbils; spathe bracts persistent, 2–3, 1-veined, ovate, ± equal, apex acuminate. |
Flowers | usually aborting before capsules mature, if present, campanulate, 6–8 mm; tepals erect, whitish or pinkish to purple, outer narrowly obovate, inner ± elliptic, unequal, margins entire, apex obtuse; stamens included; anthers yellow to reddish; pollen yellow; ovary crestless; style linear, equaling stamens; stigma capitate, unlobed; pedicel 15–60 mm. |
campanulate to ± stellate, 6–9 mm; tepals spreading, white, pink, or red, rarely greenish yellow, ovate to lanceolate, ± equal, becoming papery and rigid in fruit, margins entire, apex obtuse or acute, midribs somewhat thickened; stamens included; anthers yellow; pollen light yellow; ovary crestless; style linear, equaling stamens; stigma capitate, unlobed or obscurely lobed; pedicel 5–20 mm. |
Seed | coat unknown; capsules only rarely produced. |
coat shining; cells each usually with minute, central papilla. |
2n | = 14, 28. |
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Allium oleraceum |
Allium drummondii |
|
Phenology | Flowering late Jul–Aug. | Flowering Mar–Jun. |
Habitat | Roadsides and other disturbed ground | Plains, hills, and prairies, particularly in limestone soils |
Elevation | 0–1600 m (0–5200 ft) | |
Distribution |
Europe [Introduced in North America] |
AR; KS; NE; NM; OK; TX; Mexico
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Discussion | Allium oleraceum is reported from New England, where it is sometimes found on roadsides and other disturbed ground. It persists and is spread easily by the bulbils. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 26, p. 238. | FNA vol. 26, p. 239. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | A. helleri, A. nuttallii, A. reticulatum var. nuttallii | |
Name authority | Linnaeus: Sp. Pl. 1: 299. (1753) | Regel: Trudy Imp. S.-Peterburgsk. Bot. Sada 3: 112. (1875) |
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