Allium dichlamydeum |
|
---|---|
coast onion, coastal onion |
|
Bulbs | 1–3, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, not clustered on stout primary rhizome, ovoid to ± globose, 10–15 mm; outer coats enclosing 1 or more bulbs, brown, prominently cellular-reticulate, membranous, cells arranged in ± vertical rows, forming distinct herringbone pattern, transversely elongate, V-shaped, without fibers; inner coats white, cells obscure, arranged in vertical rows, forming distinct herringbone pattern, transversely elongate, V-shaped. |
Leaves | persistent, withering from tip by anthesis, 3–6, basally sheathing, sheaths not extending much above soil surface; blade solid, subterete or ± channeled, arcuate to ± tortuous, 7–25 cm × 1–3 mm, margins entire. |
Scape | persistent, solitary, erect, solid, terete, 10–30 cm × 2–3 mm. |
Umbel | persistent, erect, compact, 5–30-flowered, conic to hemispheric, bulbils unknown; spathe bracts persistent, 2, 4–6-veined, broadly ovate, ± equal, apex abruptly acuminate. |
Flowers | campanulate, 9–12 mm; tepals ± erect, deep reddish purple, ovate, unequal, inner shorter and narrower than outer, becoming rigid and ± carinate in fruit, margins entire or inner minutely denticulate, apex acute to obtuse, spreading to recurved at tips; stamens included; anthers yellow; pollen yellow; ovary crested; processes 3, central, 2-lobed, minute, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed or minutely 3-lobed; pedicel 5–20 mm. |
Seed | coat dull or shining; cells minutely roughened. |
2n | = 14. |
Allium dichlamydeum |
|
Phenology | Flowering May–Jul. |
Habitat | Dry, clay soils on or near sea cliffs |
Elevation | 10–50 m (0–200 ft) |
Distribution |
CA
|
Source | FNA vol. 26, p. 264. |
Parent taxa | Liliaceae > Allium |
Sibling taxa | |
Name authority | Greene: Pittonia 1: 166. (1888) |
Web links |