Allium tricoccum |
Allium coryi |
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ramp, small white leek, wild leek |
yellowflower onion |
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Bulbs | 2–6, usually borne on short rhizome, ovoid-conic, 1.5–6 × 1.5–3 cm; outer coats enclosing 1 or more bulbs, brownish to grayish, reticulate, cells finely fibrous; inner coat white, obscurely cellular, cells irregularly arranged. |
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, open, fibrous; inner coats whitish or brownish, cells intricately contorted, walls not sinuous. |
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Leaves | ephemeral, usually absent at anthesis, 2–3, basal; blade solid, flat, elliptic to elliptic-lanceolate, (15–)20–30(–40) cm × 15–90 mm, tapering to long, slender petiole, margins entire. |
persistent, green at anthesis, 3–5, sheathing; blade solid, flat, channeled, 10–30 cm × 1–3 mm, margins entire. |
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Scape | persistent, solitary, flexuous distally, terete, 10–40 cm × 2–4 mm. |
persistent, solitary, erect, ± terete, 10–30 cm × 1–3 mm. |
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Umbel | persistent, erect, loose, (6–)30–50-flowered, obconic to ± hemispheric, bulbils unknown; spathe bracts persistent, 2, ± 3-veined, lanceolate to lance-ovate, ± equal, apex acute, beakless. |
persistent, erect, compact or ± loose, usually 10–25-flowered, hemispheric-globose, bulbils unknown; spathe bracts persistent, 2–3, 1-veined, ovate, ± equal, apex acuminate. |
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Flowers | campanulate, 4–7 mm; tepals erect, white to cream or yellowish, oblong to ovate, ± equal, not withering in fruit, margins entire, apex obtuse; stamens ± equaling tepals; anthers white to light yellow; pollen white; ovary crestless; style included, linear, shorter than stamens; stigma capitate, scarcely thickened, unlobed; pedicel 10–20 mm. |
campanulate to ± stellate, 6–9 mm; tepals spreading, bright yellow, sometimes tinged with red, fading with age and sometimes upon drying, ovate to lanceolate, ± equal, becoming papery and rigid in fruit, margins entire, apex obtuse or acute, midribs somewhat thickened; stamens included; anthers yellow; pollen yellow; ovary crestless or rarely crested; processes 6, central, low, sometimes distinct or connate in pairs across septa, rounded, margins entire; style linear, ± equaling stamens; stigma capitate, unlobed or obscurely lobed; pedicel 5–20 mm. |
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Seed | coat shining; cells smooth. |
coat shining; cells smooth. |
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2n | = 14. |
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Allium tricoccum |
Allium coryi |
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Phenology | Flowering Apr–May. | |||||
Habitat | Rocky slopes and plains, mountains | |||||
Elevation | 800–1400 m (2600–4600 ft) | |||||
Distribution |
e North America
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TX |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Allium coryi is known only from western Texas. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 234. | FNA vol. 26, p. 239. | ||||
Parent taxa | Liliaceae > Allium | Liliaceae > Allium | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Solander: in W. Aiton, Hort. Kew 1: 428. (1789) | M. E. Jones: Contr. W. Bot. 17: 21. (1930) | ||||
Web links |