Burke: Allium triquetrum vs. Allium campanulatum

	Allium triquetrum	Allium campanulatum
		rosy Sierra onion
Habit		Scapose perennial herbs from bulbs, the bulbs ovoid, usually producing from the base a cluster of short-stalked bulblets, the outer coats grayish or brownish.
Leaves		Leaves usually 2, concave-convex, less than 5 mm. broad, about equal to the scape, withering at flowering; scape usually less than 1.5 dm. tall, cylindrical, usually solitary.
Flowers		Umbel few- to many-flowered, the pedicels up to 4 times the length of the tepals, becoming strongly deflexed in fruit; tepals usually 7-8 mm. long, ovate to narrowly lanceolate, acuminate, entire, purplish to pinkish or white, the tips with a strong keel; stamens 6, shorter than the tepals; stigma capitate.
Fruits		Capsule 3-celled, 6-seeded, conspicuously crested with 6 flattened processes.

	Allium triquetrum	Allium campanulatum
Flowering time		June-July
Habitat		Dry soils at medium to high elevations.
Distribution	[WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest where known from Yakima County in Washington; Washington to California, east to Nevada. [WildflowerSearch map] [BONAP county map]
Origin	Introduced	Native
Conservation status	Not of concern	Threatened in Washington (WANHP)
Sibling taxa	A. acuminatum, A. amplectens, A. campanulatum, A. cernuum, A. columbianum, A. constrictum, A. crenulatum, 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	A. acuminatum, A. amplectens, A. cernuum, A. columbianum, A. constrictum, A. crenulatum, 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
Web links	Local floras: CA, OR Local Web sites: CalFlora, CalPhotos, 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: CA, OR, WA Local Web sites: CalFlora, CalPhotos, 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 triquetrum

Allium campanulatum

rosy Sierra onion

Habit

Scapose perennial herbs from bulbs, the bulbs ovoid, usually producing from the base a cluster of short-stalked bulblets, the outer coats grayish or brownish.

Leaves

Leaves usually 2, concave-convex, less than 5 mm. broad, about equal to the scape, withering at flowering;

scape usually less than 1.5 dm. tall, cylindrical, usually solitary.

Flowers

Umbel few- to many-flowered, the pedicels up to 4 times the length of the tepals, becoming strongly deflexed in fruit;

tepals usually 7-8 mm. long, ovate to narrowly lanceolate, acuminate, entire, purplish to pinkish or white, the tips with a strong keel;

stamens 6, shorter than the tepals;

stigma capitate.

Fruits

Capsule 3-celled, 6-seeded, conspicuously crested with 6 flattened processes.