Corydalis aurea Willd. - Golden Corydalis


 

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Corydalis aurea - (image 1 of 5)

 

Taxonomy

Family: Papaveraceae

Habitat

Rocky banks or sandy soil.

Associates

 

Distribution

Quebec to AK, south to PA, MI, northern IL, MN, and widespread and more common in the western U.S.

Morphology

Biennial or annual; stems prostrate-ascending, 20-50 cm, sympodial; racemes dense, 1-3 cm, often surpassed by the upper leaves; bracts lanceolate; sepals broadly ovate, 1.5-2 mm, erose; corollas yellow, 13-16 mm including the 4-5 mm spur; outer petals folded distally along the median line into a conspicuous but wingless keel; fruit smooth, spreading or drooping, 1.5-2.5 cm; seeds about 2 mm wide.

Notes

Flowers May to July

Wetland indicator: NA

Plants in the northeast are ssp. aurea which produces slender capsules that are pendent or spreading at maturity and seeds without a marginal ring.

References

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

 


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 Michael Hough 2018