Burke: Eriogonum baileyi vs. Eriogonum vimineum

	Eriogonum baileyi	Eriogonum vimineum
	Bailey's buckwheat	broom buckwheat
Habit		Upright annual 5-50 cm. tall with a single stem topped by a freely-branched inflorescence, and with numerous, petiolate leaves in a whorl a short distance above the base.
Leaves		Sub-basal, the blade oval to broadly elliptic, 5-30 mm. long, gray-woolly beneath and gray-green above, the slender petiole 1-3 times as long as the blade.
Flowers		Inflorescence freely-branched, with involucres 1 per node and sessile at the branch junctions and along the branches and on the branch tips, varying from cylindric and strongly ribbed up to 3 mm. long to cup-shaped and without ribs, 1.5-2 mm. long, and with the 5 lobes rounded and 1/5 the total length; tepals 1.5-2.5 mm. long, narrowly cup-shaped, white, pink or yellow.
Fruits		Achene 3-angled.

	Eriogonum baileyi	Eriogonum vimineum
Flowering time	April-June (September-October)	June-September
Habitat	Sand or gravel flats and slopes, grassland and shrub-steppe, open forest, and washes.	Sagebrush deserts and dry ponderosa pine forest openings; tolerant of dry, disturbed conditions.
Distribution	Occurring east of the Cascades crest in the central region of Washington; northern Washington to California, east to Idaho and Utah. [WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and Nevada. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	E. cernuum, E. codium, E. compositum, E. douglasii, E. elatum, E. flavum, E. heracleoides, E. maculatum, E. marifolium, E. microtheca, E. niveum, E. nudum, E. ovalifolium, E. pyrolifolium, E. sphaerocephalum, E. strictum, E. thymoides, E. umbellatum, E. vimineum	E. baileyi, E. cernuum, E. codium, E. compositum, E. douglasii, E. elatum, E. flavum, E. heracleoides, E. maculatum, E. marifolium, E. microtheca, E. niveum, E. nudum, E. ovalifolium, E. pyrolifolium, E. sphaerocephalum, E. strictum, E. thymoides, E. umbellatum
Subordinate taxa	E. baileyi var. baileyi
Web links	Local floras: CA, OR, WA 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

Eriogonum vimineum

Bailey's buckwheat

broom buckwheat

Habit

Upright annual 5-50 cm. tall with a single stem topped by a freely-branched inflorescence, and with numerous, petiolate leaves in a whorl a short distance above the base.

Leaves

Sub-basal, the blade oval to broadly elliptic, 5-30 mm. long, gray-woolly beneath and gray-green above, the slender petiole 1-3 times as long as the blade.

Flowers

Inflorescence freely-branched, with involucres 1 per node and sessile at the branch junctions and along the branches and on the branch tips, varying from cylindric and strongly ribbed up to 3 mm. long to cup-shaped and without ribs, 1.5-2 mm. long, and with the 5 lobes rounded and 1/5 the total length;

tepals 1.5-2.5 mm. long, narrowly cup-shaped, white, pink or yellow.

Fruits

Achene 3-angled.