OregonFlora: Allium geyeri vs. Allium aaseae

	Allium geyeri	Allium aaseae
	Geyer's onion
Bulbs	2–10+; ovoid or slightly elongate; outer coats enclosing 1 or more bulbs, reticulate; cells rather coarse-meshed; open, fibrous.
Leaves	persistent, usually green at anthesis, usually 3–5; blades solid; more or less straight; flat, channeled; (6)12– 30 cm × 1–3(5) mm.
Scapes	persistent; solitary; erect; terete or somewhat 2-angled, 10–50 cm × 1–3 mm.
Umbels	persistent; erect; compact, 10–25-flowered, hemispheric to globose, not producing bulbils, or 0–5-flowered, largely replaced by ovoid, acuminate bulbils; pedicels becoming rigid and stiffly spreading in fruit, 8–13 mm; spathe bracts 2–3.
Flowers	(4)6–8(10) mm; tepals erect or spreading; ovate to lanceolate; more or less equal, pink to white; margins often obscurely toothed; apex obtuse to acuminate; stamens included; ovary when present, inconspicuously crested with 3–6 low processes; stigma unlobed or obscurely lobed.

	Allium geyeri	Allium aaseae
Distribution	[WildflowerSearch map] [BONAP county map]	[WildflowerSearch map] [BONAP county map]
Discussion	2 varieties.
Source	Flora of Oregon, volume 1, page 139 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. 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	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. punctum, A. robinsonii, A. sanbornii, A. schoenoprasum, A. siskiyouense, A. tolmiei, A. triquetrum, A. unifolium, A. validum, A. vineale
Subordinate taxa	A. geyeri var. geyeri, A. geyeri var. tenerum
Web links	Local floras: BC, OR, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Allium geyeri

Allium aaseae

Geyer's onion

Bulbs

2–10+; ovoid or slightly elongate;

outer coats enclosing 1 or more bulbs, reticulate;

cells rather coarse-meshed; open, fibrous.

Leaves

persistent, usually green at anthesis, usually 3–5;

blades solid; more or less straight; flat, channeled; (6)12– 30 cm × 1–3(5) mm.

Scapes

persistent; solitary; erect; terete or somewhat 2-angled, 10–50 cm × 1–3 mm.

Umbels

persistent; erect; compact, 10–25-flowered, hemispheric to globose, not producing bulbils, or 0–5-flowered, largely replaced by ovoid, acuminate bulbils;

pedicels becoming rigid and stiffly spreading in fruit, 8–13 mm;

spathe bracts 2–3.

Flowers

(4)6–8(10) mm;

tepals erect or spreading; ovate to lanceolate; more or less equal, pink to white;

margins often obscurely toothed;

apex obtuse to acuminate;

stamens included;

ovary when present, inconspicuously crested with 3–6 low processes;

stigma unlobed or obscurely lobed.