Broom buckwheat as seen from near Izee, OR along the South Fork of the John Day River.........June 27, 2000.
Broom buckwheat is an annual, upright, non-mat forming buckwheat to 40 cm tall. The erect stem arises from a cluster of basal leaves which are ovate to broadly elliptical in shape. They are mostly gray-tomentose below, less tomentose to green above and measure 5-30 mm long with entire margins. The leaf petioles are 1-3 times longer than the blades.
The flower stem is cymose, or widely branched two to three times, with minute white, yellow, or pink clusters of flowers scattered the length of the branched stems. The flower stems may start out tomentose hairy, and typically end up a smooth green at the tops of the stems. A single involucre is found at the node for each branch, or at the branch tips. The involucre is bell-shaped, 1.5-2 mm long and not heavily ribbed. The lobes of the involucre are rounded and about 1/3 as long as the tube. The perianth is about 1.5 mm long with the lobes ovate-lanceolate in shape. The stamens are about three-fourths the length of the perianth.
Eriogonum baileyi: Perianth 1.5-2 mm long, the lobes of the perianth ovate-lanceolate in shape. Involucres bell-shaped, 1.5-2 mm long, not strongly ribbed with rounded lobes.
Sandy or rocky soil from desert to sagebrush or pine forests.
A widespread species, Bailey's Buckwheat is found from Central Washington, southward along the east side of the Cascades into Mexico, eastwards towards the western edge of the Rocky Mts.