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Nevius' 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.

Leaves

usually persistent, withering from tip at anthesis, 2;

blades solid; flat or more or less channeled, falcate, 12–25 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.

Umbels

persistent; erect; compact, 10–30-flowered, hemispheric;

pedicels 8–12 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.

2n

=14.

Allium nevii

Distribution
[WildflowerSearch map]
[BONAP county map]
Discussion

Wet meadows and along streams, in rocky clay soils, seasonally moist scablands. Flowering Apr–Jun. 0–1200 m. Col, ECas. WA. Native.

Source Flora of Oregon, volume 1, page 141
Nick Otting, Richard Brainerd, Barbara Wilson
Sibling taxa
A. acuminatum, A. ampeloprasum, A. amplectens, A. anceps, A. bisceptrum, A. bolanderi, A. brandegeei, A. campanulatum, A. cernuum, A. crenulatum, A. dictuon, A. douglasii, A. falcifolium, A. fibrillum, A. geyeri, A. lemmonii, A. macrum, A. madidum, A. membranaceum, A. nevadense, A. nigrum, A. parvum, A. peninsulare, A. platycaule, A. punctum, A. robinsonii, A. sanbornii, A. schoenoprasum, A. siskiyouense, A. tolmiei, A. triquetrum, A. unifolium, A. validum, A. vineale
Synonyms Allium douglasii var. nevii
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