Allium praecox |
Allium douglasii |
|
---|---|---|
early onion |
Douglas' 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, 1–1.8 × 1–1.7 cm; outer coats enclosing 1 or more bulbs, gray-brown to brown, prominently cellular-reticulate, membranous, cells arranged in ± vertical rows, forming irregular herringbone pattern, transversely elongate, V-shaped, without fibers; inner coats white, cells obscure, ± transversely elongate, contorted. |
1–4, not clustered on stout, primary rhizomes, ovoid, 1.2–3 × 1–2 cm; outer coats enclosing 1 or more bulbs, light brown, membranous, lacking cellular reticulation, or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white, sometimes pink, cells obscure, quadrate or linear. |
Leaves | persistent, withering from tip by anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, broadly channeled, carinate, 20–75 cm × 5–10 mm, margins entire. |
usually persistent, green at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, falcate, 9–28 cm × (2–)5–15 mm, margins entire. |
Scape | persistent, solitary, erect, solid, terete, 20–60 cm × 2–4 mm. |
persistent, solitary, erect, solid, terete, not expanded proximal to inflorescence, (10–)20–30(–40) cm × 1–4 mm. |
Umbel | shattering after seeds mature, each flower deciduous with its pedicel as a unit, erect, loose, 5–40-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 5–7-veined, lanceolate to lance-ovate, ± equal, apex acuminate. |
persistent, erect, compact, 25–50-flowered, hemispheric to globose, bulbils unknown; spathe bracts persistent, 3, 4–6-veined, ovate, ± equal, apex acute. |
Flowers | stellate, 6–13 mm; tepals spreading at anthesis, white to pale pink with purple midveins, lance-ovate to ovate, ± equal, becoming papery and connivent over capsule, margins entire, apex acute, obtuse, or emarginate; stamens included; anthers purple and yellow; pollen yellow; ovary crested; processes 3, central, 2-lobed, minute, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 15–40 mm. |
± stellate, (6–)7–8(–10) mm; tepals spreading, light pink to purple with prominent green midribs, narrowly lanceolate, ± equal, becoming papery in fruit, margins entire, apex acuminate; stamens equaling tepals or exserted; anthers blue-gray; pollen white to light gray; ovary crested; processes 6, 2 per lobe, low, rounded, margins entire; style exserted, linear; stigma capitate, unlobed; pedicel 15–30 mm. |
Seed | coat shining; cells minutely roughened. |
coat shining; cells smooth. |
2n | = 14. |
= 14. |
Allium praecox |
Allium douglasii |
|
Phenology | Flowering Mar–May. | Flowering May–Jul. |
Habitat | Clay soil on shaded, grassy slopes near coast | Winter-wet, shallow soils on rock outcrops |
Elevation | 50–800 m (200–2600 ft) | 400–1300 m (1300–4300 ft) |
Distribution |
CA; Mexico (Baja California)
|
OR; WA
|
Source | FNA vol. 26, p. 263. | FNA vol. 26, p. 267. |
Parent taxa | Liliaceae > Allium | Liliaceae > Allium |
Sibling taxa | ||
Synonyms | A. hyalinum var. praecox | A. hendersonii |
Name authority | Brandegee: Zoë 5: 228. (1906) | Hooker: Fl. Bor.-Amer. 2: 184, plate 197. (1838) |
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