Burke: Allium geyeri vs. Allium crenulatum

	Allium geyeri	Allium crenulatum
	Geyer's onion	scalloped onion
Habit	Scapose perennial, usually from a cluster of ovoid bulbs enclosed in fibrous, outer coats with a coarse network pattern; scapes 1-5 dm. tall, nearly terete.	Scapose perennial from an obliquely ovoid bulb, the outer coats whitish or grayish, without a network pattern.
Leaves	Leaves usually 3 or more per scape, concave-convex in cross section, 1-5 mm. broad, usually shorter than the scape, green, becoming brown and persisting.	Leaves usually 2, flattened, somewhat curved, longer than the scape and deciduous at maturity; scape strongly flattened and two-edged, the margins often wavy.
Flowers	Umbels 10- to 25-flowered, the pedicels equal in length, nearly twice the length of the perianth, becoming stiffly spreading in fruit; tepals 6, 6-8 mm. long, ovate to lanceolate, pink to rarely white; stamens 6, shorter than the tepals; ovary inconspicuously crested with 6 low, rounded knobs.	Umbels several- to many-flowered, the pedicels about as long as the tepals; tepals 6, 6-12 mm. long, lanceolate, pointed, pinkish with deeper pink mid-veins; stamens 6, about the length of the tepals; anthers yellow or purplish.
Fruits	Capsule 3-celled.	Capsule 3-celled, obscurely crested.

	Allium geyeri	Allium crenulatum
Flowering time	May-June	May-July
Habitat	Low meadows and along streams.	Forest openings and mountain meadows, moderate to high elevations.
Distribution	Occurring east of the Cascades crest in Washington; southern Vancouver Island to Arizona, east to the Rocky Mountains and northern Great Plains. [WildflowerSearch map] [BONAP county map]	Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	A. acuminatum, A. amplectens, A. campanulatum, A. cernuum, A. columbianum, A. constrictum, A. crenulatum, A. dictuon, A. douglasii, A. fibrillum, A. macrum, A. nevii, A. robinsonii, A. schoenoprasum, A. scilloides, A. textile, A. tolmiei, A. validum, A. vineale	A. acuminatum, A. amplectens, A. campanulatum, A. cernuum, A. columbianum, A. constrictum, A. dictuon, A. douglasii, A. fibrillum, A. geyeri, A. macrum, A. nevii, A. robinsonii, A. schoenoprasum, A. scilloides, A. textile, A. tolmiei, 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 floras: BC, OR, WA Local Web sites: Flora NW, PNW Herbaria, Turner Photog. 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 crenulatum

Geyer's onion

scalloped onion

Habit

Scapose perennial, usually from a cluster of ovoid bulbs enclosed in fibrous, outer coats with a coarse network pattern; scapes 1-5 dm. tall, nearly terete.

Scapose perennial from an obliquely ovoid bulb, the outer coats whitish or grayish, without a network pattern.

Leaves

Leaves usually 3 or more per scape, concave-convex in cross section, 1-5 mm. broad, usually shorter than the scape, green, becoming brown and persisting.

Leaves usually 2, flattened, somewhat curved, longer than the scape and deciduous at maturity;

scape strongly flattened and two-edged, the margins often wavy.

Flowers

Umbels 10- to 25-flowered, the pedicels equal in length, nearly twice the length of the perianth, becoming stiffly spreading in fruit;

tepals 6, 6-8 mm. long, ovate to lanceolate, pink to rarely white;

stamens 6, shorter than the tepals;

ovary inconspicuously crested with 6 low, rounded knobs.

Umbels several- to many-flowered, the pedicels about as long as the tepals;

tepals 6, 6-12 mm. long, lanceolate, pointed, pinkish with deeper pink mid-veins;

stamens 6, about the length of the tepals;

anthers yellow or purplish.

Fruits