| Family | PAPAVERACEAE |
| Genus species | Corydalis decumbens (Thunb.) Pers. sect. Diplotuber |
| Bibliography | Syn. Pl. 2: 269 (1806) |
| Native Range | c. & s. China, Korea, c. & s. Japan to Taiwan |
| Primary Biome | Temperate |
| Habitat | grassland |
| Altitude | 0-300m |
| Description | tufted, stems erect, leaves long petiolate, very partite, glaucous, frondose, flowers few, with horizontal spur |
| Size | 10-25cm |
| Color | white, pale rose |
| Bloom | spring |
| Ca | |
| Type | tuberous perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in winter, uncovered, light, germ. 3-12 months, 10-16°C division of resting tubers |
| Synonyms | Capnoides decumbens (Thunb.) Kuntze Corydalis amabilis Migo Corydalis decumbens f. albescens (Takeda) Ohwi Corydalis decumbens var. zhujiensis Z.H.Chen & G.Y.Lin Corydalis eduloides Fedde Corydalis edulioides var. haimensis Fedde Corydalis gracilipes S.Moore Corydalis kelungensis Hayata Fumaria bulbosa Thunb. Fumaria decumbens Thunb. Pistolochia decumbens (Thunb.) Holub |
| Territory | 3 Asia-Temperate 36 China (CHC China South-Central, CHN China North-Central, CHS China Southeast) 38 Eastern Asia (JAP Japan, KOR Korea, NNS Nansei-shoto, TAI Taiwan) |