is a genus of around 470 species of annuals
herbaceous perennials. They are mostly
native to the Northern Hemisphere and
mountainous regions of
China is especially prominent with over 350
species of Corydalis.
The yellow form,
C. lutea, makes a great companion in the shade
garden. Its fine textured foliage works well
with large leafed hostas. Also, the yellow
flowers and blue leafed plants make for a
complementary color combination.