The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Nevius' onion

punctate 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; ovoid to subglobose;

outer coats enclosing 1 or more bulbs, membranous; more or less prominently cellular-reticulate;

cells in more or less regular vertical rows, narrowly rectangular, 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 deciduous with scape, green or withering only at tip at anthesis, 2;

blades solid; flat, falcate, 9–18 cm × 2–5 mm.

Scapes

persistent, 1–3; erect; solid; terete or somewhat flattened, 2-edged, not expanded proximal to inflorescence, 15–30 cm × 1–3 mm.

usually forming abscission layer and deciduous with leaves after seeds mature; solitary; erect; solid; more or less flattened, sometimes slightly winged, 3–10 cm × 1–2 mm.

Umbels

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

pedicels 8–12 mm;

spathe bracts 2.

persistent; erect; more or less compact, 6–20-flowered, hemispheric;

pedicels 5–11 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.

6–13 mm;

tepals erect, oblong-lanceolate; more or less equal, white to pinkish with narrow to very broad, purple midvein;

margins entire;

apex obtuse;

stamens included;

ovary crested with 3 low processes;

stigma scarcely thickened, unlobed.

2n

=14.

=14.

Allium nevii

Allium punctum

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.

Sandy, rocky soil, clay, sometimes alkaline soils on open slopes and flats. Flowering Apr–Jun. 500–2300 m. BR, BW, ECas, Lava, Owy. CA, NV. Native.

Source Flora of Oregon, volume 1, page 141
Nick Otting, Richard Brainerd, Barbara Wilson
Flora of Oregon, volume 1, page 142
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. 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. nevii, A. nigrum, A. parvum, A. peninsulare, A. platycaule, A. robinsonii, A. sanbornii, A. schoenoprasum, A. siskiyouense, A. tolmiei, A. triquetrum, A. unifolium, A. validum, A. vineale
Synonyms Allium douglasii var. nevii
Web links