Allium lacunosum var. kernensis |
Allium lacunosum |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
pitted onion |
||||||||||||||
Bulbs | 1–3(–5), not clustered on stout primary rhizome, ovoid, 1–2 × 1–2 cm; outer coats enclosing 1 or more bulbs, brown, prominently cellular-reticulate, membranous, accumulating and investing bulb with thick cover, cells square, polygonal, or ± transversely elongate, walls thick, sinuous, without fibers; inner coats white to light brown, cells ± obscure, quadrate. |
|||||||||||||
Leaves | blade ± terete, straight, equaling or shorter than scape, 0.5–1 mm wide. |
persistent, withering from tip at anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface; blade solid, flattened, subterete or ± channeled and carinate, ± falcate, 10–30 cm × 0.5–3 mm, margins entire. |
||||||||||||
Scape | 15–25 cm. |
persistent, solitary, erect, solid, terete, 10–35 cm × 1–4 mm. |
||||||||||||
Umbel | compact, 10–45-flowered; spathe bracts 2, apex acuminate. |
persistent, erect, compact or loose, 5–45-flowered, bulbils unknown, umbel shattering after seeds mature, each flower deciduous with its pedicel; spathe bracts persistent, 2–3, 4–6-veined, lance-ovate to ovate, ± equal, apex obtuse or acuminate. |
||||||||||||
Flowers | 6–7(–8) mm; tepals white or pale pink, often with green or deep pink midveins; pedicel 5–14 mm. |
campanulate, 4–9 mm; tepals erect or spreading from base, white to deep pink with darker midveins, lance-ovate to ovate, ± equal, margins entire, apex obtuse, acute, or short-acuminate; stamens included; anthers yellow; pollen yellow; ovary 3-grooved with ridge on either side of each groove, ridges prolonged into crest, ridges and crest densely covered with minute, rounded papillae; processes 3, central, 2-lobed, minute; style linear, equaling stamens; stigma capitate, scarcely thickened, obscurely 3-lobed; pedicel 4–30 mm. |
||||||||||||
Seed | coat dull or shining; cells minutely roughened. |
|||||||||||||
2n | = 14. |
|||||||||||||
Allium lacunosum var. kernensis |
Allium lacunosum |
|||||||||||||
Phenology | Flowering Apr–May. | |||||||||||||
Habitat | Rocky, sandy, or clay soils | |||||||||||||
Elevation | 800–1300 m (2600–4300 ft) | |||||||||||||
Distribution |
CA |
CA
|
||||||||||||
Discussion | Allium lacunosum var. kernensis is known only from the southern Sierra Nevada. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 4 (4 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
||||||||||||
Key |
|
|||||||||||||
Source | FNA vol. 26, p. 260. | FNA vol. 26, p. 260. | ||||||||||||
Parent taxa | ||||||||||||||
Sibling taxa | ||||||||||||||
Subordinate taxa | ||||||||||||||
Name authority | McNeal & Ownbey: Madroño 29: 83. (1982) | S. Watson: Proc. Amer. Acad. Arts 14: 231. (1879) | ||||||||||||
Web links |
|