Corydalis flavula (Raf.) DC. - Yellow Fumewort


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Corydalis flavula - (image 1 of 4)



Family: Papaveraceae


Rock outcrops, wooded slopes, in moist, loose soil.




Eastern NY to southern Ontario, southern MI, and SD, south to NC, LA, and OK.


Annual from somewhat succulent roots; stems 10-30 cm, at first erect but often becoming prostrate, the stem sympodial; racemes barely if at all exceeding the leaves; bracts ovate, foliaceous, 3-8 mm; corollas pale yellow, 7-9 mm including the 1-2 mm spur; crest of the upper petal usually toothed; fruits spreading or drooping, 1.5-2 cm, on pedicels often 1-1.5 cm; flowers sometimes cleistogamous; seeds about 2 mm wide, with a narrow, acute ring-margin.


Flowers April to May

Wetland indicator: FACU

I took these pictures in early June as the plants were beginning to senesce and the flowers that were still being produced appear to be cleistogamous.


Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY




 Michael Hough 2018