Allium coryi |
Allium anceps |
|
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yellowflower onion |
Kellogg's onion, twin leaf onion, two-edge onion |
|
Bulbs | 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. |
1–5, not clustered on stout primary rhizome, ovoid, 1.5–2 × 1.2–2 cm; outer coats enclosing 1 or more bulbs, brown to yellow-brown, membranous, ± prominently cellular-reticulate, cells in regular vertical rows, narrowly rectangular, transversely elongate, without fibers; inner coats white, cells obscure, transversely elongate. |
Leaves | persistent, green at anthesis, 3–5, sheathing; blade solid, flat, channeled, 10–30 cm × 1–3 mm, margins entire. |
usually deciduous with scape, withering from tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, falcate, 7–26 cm × 4–6 mm, margins entire. |
Scape | persistent, solitary, erect, ± terete, 10–30 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, 10–15 cm × 1–3 mm. |
Umbel | persistent, erect, compact or ± loose, usually 10–25-flowered, hemispheric-globose, bulbils unknown; spathe bracts persistent, 2–3, 1-veined, ovate, ± equal, apex acuminate. |
persistent, erect, ± compact, 15–35-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 10–13-veined, ovate, ± equal, apex acute. |
Flowers | 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. |
stellate, 8–12 mm; tepals spreading, light pink with diffuse greenish midveins, linear-lanceolate, ± equal, papery, withering in fruit, margins entire, apex acute; stamens ± equaling tepals; anthers yellow; pollen yellow; ovary crested; processes 6, central, rounded, minute, margins entire; style linear, 0.5 times stamens; stigma capitate, scarcely thickened, unlobed; pedicel 15–30 mm. |
Seed | coat shining; cells smooth. |
coats dull; cells smooth. |
2n | = 14. |
= 14. |
Allium coryi |
Allium anceps |
|
Phenology | Flowering Apr–May. | Flowering Apr–May. |
Habitat | Rocky slopes and plains, mountains | Heavy, generally barren, clay soils |
Elevation | 800–1400 m (2600–4600 ft) | 1200–1600 m (3900–5200 ft) |
Distribution |
TX |
CA; ID; NV; OR
|
Discussion | Allium coryi is known only from western Texas. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 26, p. 239. | FNA vol. 26, p. 270. |
Parent taxa | ||
Sibling taxa | ||
Name authority | M. E. Jones: Contr. W. Bot. 17: 21. (1930) | Kellogg: Proc. Calif. Acad. Sci. 2: 109. (1863) |
Web links |