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Fumewort

Corydalis

Also called Corydalises

Fumewort
Photo: Jean-Pol GRANDMONT, CC BY 3.0

Corydalis is a genus of about 540 annual and perennial herbaceous plants in the poppy family, mostly native to the cool temperate Northern Hemisphere and most diverse in China and the Himalayas. Growing conditions vary widely between species, so check the specific species you have.

Family
Papaveraceae (Poppy family)
Grows as
Annual, Perennial
Light
Part shade
Water
Keep soil evenly moist during active growth and let it dry a little between waterings; many species go dormant in summer.
Soil
Humus-rich, well-drained soil or a gritty potting mix.
Temperature
Hardy in cool climates, roughly -20 to 25 °C depending on species; protect tender species below 0 °C.
How easy
Moderate
Safety
Toxic: Many species contain alkaloids such as bulbocapnine and canadine; the whole plant should be treated as harmful if eaten.

About

Corydalis (from Greek korydalís "crested lark") is a genus of about 540 species of annual and perennial herbaceous plants in the family Papaveraceae, native to the temperate Northern Hemisphere and the high mountains of tropical eastern Africa. They are most diverse in China and the Himalayas, with at least 357 species in China. Corydalis species are the only dicots having only a single cotyledon (seed leaf).

Safety

Corydalis cava and some other tuberous species contain the alkaloid bulbocapnine, which is occasionally used in medicine but scientific evidence is lacking in the correct dosages and side effects.

Many of the species in Corydalis contain other toxins and alkaloids like canadine, which blocks calcium. The species C. caseana is poisonous to livestock.

Where it grows

Corydalis species are used as food plants by the larva of some Lepidoptera species (butterflies), especially the clouded Apollo.

Other Corydalis plants

Small Corydalis · Scrambled eggs · Corydalis caucasica · Corydalis flexuosa · Siberian Corydalis · Corydalis omeiana · Corydalis pumila · Spring fumewort · Corydalis yanhusuo

Text excerpted from the Wikipedia article Corydalis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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