Annual or biennial herb from a taproot; stems spreading to prostrate, freely branched, glabrous, 10-50 cm long.
Stem leaves alternate, divided several times, blue-green, usually with a bloom.
Inflorescence of loose axillary and terminal racemes with several flowers; corollas yellow, 12-18 mm long; spurs 3-6 mm long and rounded at the tip.
Capsules, thin, curved, drooping, 20-25 mm long, constricted between the seeds; seeds 2 mm long, black, shiny.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|BG(1), BWBS(1), IDF(1), MS(1)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Capnoides aureum (Willd.) Kuntze
Capnoides campestre Britton
Capnoides halei Small
Corydalis aurea subsp. aurea
Corydalis aurea var. australis Chapm.
Corydalis campestris (Britton) J. Buchholz & Palmer
Corydalis halei (Small) Fernald & B.G. Schub.
Corydalis micrantha var. australis (Chapm.) Shinners
Corydalis washingtoniana Fedde