Corydalis caseana subsp. hastata
Ann. Missouri Bot. Gard. 34: 206-207. 1947.
Stems 10-18 dm. Inflorescences profusely branching. Flowers: outer petals with marginal wing moderately developed, distinctly revolute, minutely eroded, apex rounded, distinctly notched.
Phenology: Flowering early–late summer.
Habitat: In and along streams
Elevation: 900-1220 m
This subspecies appears to be confined to very wet habitats at intermediate elevations in a few Idaho counties.
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