Corydalis ochotensis is a late-summer, yellow-flowered member of the poppy family, native to Northeast Asia—Korea, Japan, northern China, and the Russian Far East. It isn't found in the wild in the United States. It's a sprawling, hairless annual or biennial of damp, partly shaded mountain woods.

Appearance

Growth form
An annual or biennial with angled stems that branch freely and sprawl rather than standing upright, reaching about 2–3 ft (60 cm–1 m) long. The whole plant is hairless and has a pale, powdery look.
Leaves
Alternate, finely divided leaves, cut two or three times into threes.
Flowers
Loose clusters of a few pale yellow flowers about 0.6–0.8 in (15–20 mm) long, each with a long, slender, slightly curved spur.
Flowering time
August–September in Japan.
Fruit
A flat, narrow seed capsule about 0.5–0.6 in (12–15 mm) long holding several seeds arranged in two rows.

Where it lives

Typical habitats
  • Damp mountain woods
  • Partly shaded forest
Range
Native to the Russian Far East (Sea of Okhotsk coast and eastern Siberia), northern China, Korea, and northern and central Japan. Not native to North America.

Conservation

IUCN Red List
NENot EvaluatedNot yet assessed
Status
Listed as Endangered on Japan's national Red List.

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Corydalis ochotensis — identification & habitat | Moeyo