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(Upload on June 11 2017) [ 日本語 | English ]

Corydalis DC. (キケマン) Corydalis heterocarpa Siebold et Zucc. Kikeman (キケマン, 黄華鬘, s.l.), giant Japanese corydalis Lifeform: annual or biennial forb Distribution: endemic to Japan Habitat: slightly-mesic sites, such as grasslands and coasts Seed dispersal: self / endo-zoochore (animal) Poison: alkaloids (protopine, sanguinarine, bicuculline, etc.) Synonyms: Corydalis heterocarpa Siebold et Zucc. var. simadae Ohwi (ヒゴキケマン), discarded, Kyushu

var. heterocarpa (ツクシキケマン), the type: Chugoku District - Kyushu Island Flower: pale yellow Fruit: capsule curved and distinctly bead-like in shape var. brachystyla (Koidz.) Ohwi (ムニンキケマン), Izu Islands, Bonin Islands and Ryuku var. japonica (Franch. et Savat.) Ohwi (キケマン) Distribution: Japan (south to Kanto District) Flower: golden yellow Fruit: capsule straight and slightly bead-like in shape

Corydalis heterocarpa in Japan

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var. japonica (キケマン)

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[1-3] in the Koishikawa Botanical Garden (小石川植物園), the University of Tokyo, on March 16 2017. [4-6] in Hibiya Park, Tokyo, on April 7 2025.