Allium nevii |
Allium columbianum |
|
---|---|---|
Nevius' garlic, Nevius' onion |
Columbia onion, Columbian onion |
|
Bulbs | 1–5+, not clustered on stout, primary rhizome, ovoid, 1–2 × 1–2 cm; outer coats enclosing 1 or more bulbs, light brown, membranous, ± reticulate, cells quadrate to polygonal, vertically oblong, without fibers; inner coats white or pink, cells obscure, quadrate. |
1–5+, not clustered on stout, primary rhizome, ovoid, 1–1.5 × 0.8–1.4 cm; outer bulb coats brownish or grayish, enclosing 1 or more bulbs, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white to pink, cells obscure, ± quadrate. |
Leaves | usually persistent, withering from tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat or ± channeled, falcate, 12–25 cm × 2–3 mm, margins entire. |
usually persistent, green at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, broadly channeled, ± falcate, 10–35 cm × (2–)5–8 mm, margins entire. |
Scape | persistent, 1–3, erect, solid, terete or somewhat flattened, 2-edged, not expanded proximal to inflorescence, 15–30 cm × 1–3 mm. |
persistent, solitary, erect, solid, terete, enlarged proximal to inflorescence, (10–)20–30(–40) cm × 1.5–4 mm. |
Umbel | persistent, erect, compact, 10–30-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 5–6-veined, ovate, ± equal, apex acute. |
persistent, erect, compact, 25–50-flowered, hemispheric to globose, bulbils unknown; spathe bracts persistent, 3, 5–7-veined, ovate, ± equal, apex acute. |
Flowers | campanulate to substellate, 6–8 mm; tepals spreading, rose-colored, lanceolate, ± equal, becoming papery in fruit, margins entire, apex acuminate; stamens ± equaling tepals, or exserted; anthers blue-gray; pollen light blue or gray; ovary distinctly crested; processes 6, 2 per lobe, low, rounded, margins entire; style exserted, linear; stigma capitate, unlobed; pedicel 8–12 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 or longer than tepals; anthers blue-gray; pollen light blue to gray; ovary crested; processes 6, 2 per lobe, low, rounded, margins entire; style exserted, linear; stigma capitate, scarcely thickened, unlobed; pedicel 10–20 mm. |
Seed | coat dull; cells smooth. |
coat shining; cells smooth. |
2n | = 14. |
= 14. |
Allium nevii |
Allium columbianum |
|
Phenology | Flowering May–Jul. | Flowering May–Jul. |
Habitat | Heavy, rocky soils, wet meadows, or along streams | Winter-wet, shallow soils on rock outcrops, or wet meadows |
Elevation | 30–1900 m (100–6200 ft) | 300–1100 m (1000–3600 ft) |
Distribution |
OR; WA
|
ID; MT; WA
|
Source | FNA vol. 26, p. 267. | FNA vol. 26. |
Parent taxa | Liliaceae > Allium | Liliaceae > Allium |
Sibling taxa | ||
Synonyms | A. douglasii var. nevii | A. douglasii var. columbianum |
Name authority | S. Watson: Proc. Amer. Acad. Arts 14: 231. (1879) | (Ownbey & Mingrone) P. M. Peterson: Syst. Bot. 13: 211. (1988) |
Web links |