Allium nevii |
Allium macrum |
|
---|---|---|
Nevius' onion |
rock onion |
|
Bulbs | 1–5+; ovoid; outer coats enclosing 1 or more bulbs, membranous; more or less reticulate; cells quadrate to polygonal, vertically oblong; without fibers. |
1–3, globose to ovate; outer coats enclosing 1 or more bulbs, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows adjacent to roots; more or less quadrate; without fibers. |
Leaves | usually persistent, withering from tip at anthesis, 2; blades solid; flat or more or less channeled, falcate, 12–25 cm × 2–3 mm. |
usually persistent, withering from tip at anthesis, 2; blades solid; flat or channeled; more or less falcate, 12–38 cm × 2–3 mm. |
Scapes | 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; more or less terete, not expanded proximal to inflorescence, 9–32 cm × 0.5–4 mm. |
Umbels | persistent; erect; compact, 10–30-flowered, hemispheric; pedicels 8–12 mm; spathe bracts 2. |
persistent; erect; loose, 10–20-flowered, globose; pedicels 5–20 mm; spathe bracts 2. |
Flowers | 6–8 mm; tepals spreading, lanceolate; more or less equal; rose-colored; margins entire; apex acuminate; stamens more or less equaling tepals, or exserted; ovary distinctly crested with 6 low processes; stigma unlobed. |
5–7 mm; tepals spreading, lanceolate; more or less equal, white or pinkish with prominent red midveins; margins entire; apex acute to acuminate; stamens equaling tepals or exserted; ovary crested with 3 obtuse processes; stigma scarcely thickened, unlobed. |
2n | =14. |
=14. |
Allium nevii |
Allium macrum |
|
Distribution | ||
Discussion | Wet meadows and along streams, in rocky clay soils, seasonally moist scablands. Flowering Apr–Jun. 0–1200 m. Col, ECas. WA. Native. |
Open, dry meadows to vernally moist rocky, clay swales. Flowering Apr–May. 400–1800 m. BW, Col, ECas, Lava. WA. Native. |
Source | Flora of Oregon, volume 1, page 141 Nick Otting, Richard Brainerd, Barbara Wilson |
Flora of Oregon, volume 1, page 140 Nick Otting, Richard Brainerd, Barbara Wilson |
Sibling taxa | ||
Synonyms | Allium douglasii var. nevii | |
Web links |