Sphaerophysa
Austrian peaweed, swainsona
1 species
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Sphaerophysa salsulared bladder-vetch, alkali swainsonpea
Distribution: Occurring east of the Cascades in Washington, chiefly in the central part of the state; Washington to California, east to the Great Plains.
Habitat: Alkaline soil at low elevations, often where disturbed.
Origin: Introduced
Flowers: May-July