| Family | PAPAVERACEAE |
| Genus species | Corydalis ambigua Cham. & Schltdl. sect. Corydalis |
| Bibliography | Linnaea 1: 558 (1826) |
| Native Range | Russian Far East to Korea, n. & nc. Japan |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Description | corms minute, globular, leaves thinly petiolate, glaucous, biternate, ultimate segments obovate, obtuse, raceme lax, few flowered, flowers 16-20mm long, spur thick, obtuse |
| Size | 10-20cm |
| Color | bright bluish violet |
| Bloom | spring |
| Ca | |
| Type | tuberous perennial |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in winter, uncovered, light, germ. 3-12 months, 10-16°C division of resting tubers |
| Synonyms | Capnoides ambigua (Cham. & Schltdl.) Kuntze Capnoides jezoensis (Miq.) Kuntze Corydalis ambigua var. albiflora Iwah.Yamam. & K.Tsukam. Corydalis ambigua f. albiflora (Iwah.Yamam. & K.Tsukam.) Honda Corydalis ambigua var. papillosa Takeda Corydalis fumariifolia f. candida Yonek. Corydalis jezoensis Miq. Fumaria ambigua Pall. ex Cham. & Schltdl. Pistolochia ambigua (Cham. & Schltd.) Soják |
| Territory | 3 Asia-Temperate 31 Russian Far East (KAM Kamchatka, KHA Khabarovsk, KUR Kuril Is., PRM Primorye, SAK Sakhalin) 36 China (CHM Manchuria) 38 Eastern Asia (JAP Japan, KOR Korea) |