Allium coryi |
Allium macrum |
|
---|---|---|
yellowflower onion |
rock 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. |
1–3, not clustered on stout, primary rhizome, globose to ovate, 0.6–2 × 0.5–1.5 cm; outer coats enclosing 1 or more bulbs, brownish, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white, lacking cellular reticulation. |
Leaves | persistent, green at anthesis, 3–5, sheathing; blade solid, flat, channeled, 10–30 cm × 1–3 mm, margins entire. |
usually persistent, withering from tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat or channeled, ± falcate, 12–38 cm × 2–3 mm, margins entire. |
Scape | persistent, solitary, erect, ± terete, 10–30 cm × 1–3 mm. |
persistent, solitary, erect, solid, ± terete, not expanded proximal to inflorescence, 9–32 cm × 0.5–4 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, loose, 10–20-flowered, globose, bulbils unknown; spathe bracts persistent, 2, 3–7-veined, lanceolate to lance-ovate, ± equal, apex abruptly 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. |
campanulate, 5–7 mm; tepals spreading, white or pinkish with prominent red midveins, narrowly lanceolate, ± equal, becoming papery in fruit, margins entire, apex acuminate; stamens equaling tepals or exserted; anthers yellow; pollen yellow; ovary crested; processes 3, thick, obtuse, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 5–20 mm. |
Seed | coat shining; cells smooth. |
coat dull; cells ± smooth. |
2n | = 14. |
= 14. |
Allium coryi |
Allium macrum |
|
Phenology | Flowering Apr–May. | Flowering Apr–May. |
Habitat | Rocky slopes and plains, mountains | Barren, gravelly soils |
Elevation | 800–1400 m (2600–4600 ft) | 100–1400 m (300–4600 ft) |
Distribution |
TX |
OR; WA
|
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. 267. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | A. equicaeleste | |
Name authority | M. E. Jones: Contr. W. Bot. 17: 21. (1930) | S. Watson: Proc. Amer. Acad. Arts 14: 233. (1879) |
Web links |