Burke: Allium geyeri vs. Allium fibrillum

	Allium geyeri	Allium fibrillum
	Geyer's onion	Cuddy Mountain onion, fringed 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 perennials from ovoid bulbs, usually clustered, the inner coats whitish or reddish, the outer coats grayish or brownish, with a thin inner membrane with distinct, elongate, contorted 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 2, concave-convex, 1-3 mm. broad, entire, equal to or longer than the scape, persistent at maturity; scape 3-15 cm. tall, terete or slightly flattened.
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.	Umbel few- to many-flowered, the slender pedicels 1-2 times as long as the tepals; tepals 5-8 mm. long, lanceolate, obtuse to pointed, entire, white or pink with prominent greenish mid-rib; stamens 6, + the length of the tepals; anthers yellowish or purplish.
Fruits	Capsule 3-celled.	Capsule 3-celled, obscurely crested with three low processes.

	Allium geyeri	Allium fibrillum
Flowering time	May-June	May-July
Habitat	Low meadows and along streams.	Moist, shallow soils in the mountains.
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 chiefly in the southeastern counties of Washington; Washington east to Montana, south 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. crenulatum, A. dictuon, A. douglasii, 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: 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 fibrillum

Geyer's onion

Cuddy Mountain onion, fringed 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 perennials from ovoid bulbs, usually clustered, the inner coats whitish or reddish, the outer coats grayish or brownish, with a thin inner membrane with distinct, elongate, contorted 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 2, concave-convex, 1-3 mm. broad, entire, equal to or longer than the scape, persistent at maturity;

scape 3-15 cm. tall, terete or slightly flattened.

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.

Umbel few- to many-flowered, the slender pedicels 1-2 times as long as the tepals;

tepals 5-8 mm. long, lanceolate, obtuse to pointed, entire, white or pink with prominent greenish mid-rib;

stamens 6, + the length of the tepals;

anthers yellowish or purplish.

Fruits