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Nevius' onion

Brandegee’s 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.

1–5; ovoid to globose;

outer coats enclosing 1 or more bulbs, membranous, usually distinctly cellular-reticulate;

cells isodiametric or more or less narrowly hexagonal, transversely elongate; 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, green at anthesis, 2;

blades solid; flat or channeled; more or less falcate, 8–27 cm × 1–3 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; terete, rarely slightly compressed, narrowly or not winged, 3–10(20) cm × 1–3(4) mm.

Umbels

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

pedicels 8–12 mm;

spathe bracts 2.

persistent; erect; compact, 8–25(30)-flowered, hemispheric;

pedicels 5–15 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.

5–8 mm;

tepals erect, lanceolate to elliptic; more or less equal, white with prominent green to purplish midvein, becoming involute at tip in fruit;

margins entire;

apex obtuse to acuminate;

stamens included;

ovary crestless or obscurely crested with 3 processes;

stigma scarcely thickened, unlobed.

2n

=14.

=14.

Allium nevii

Allium brandegeei

Distribution
[WildflowerSearch map]
[BONAP county map]
[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.

Heavy soils in meadows and seasonally wet areas. Flowering Apr–Jun. 1300–1900 m. BW, Owy. ID, NV; east to MT and CO. Native.

Source Flora of Oregon, volume 1, page 141
Nick Otting, Richard Brainerd, Barbara Wilson
Flora of Oregon, volume 1, page 137
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
A. acuminatum, A. ampeloprasum, A. amplectens, A. anceps, A. bisceptrum, A. bolanderi, 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. nevii, 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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