东紫堇 dong zi jin

Corydalis chosenensis Ohwi; Pistolochia buschii (Nakai) Soják.

Rhizome with narrowly oblong stolonlike parts and more ovoid swellings ca. 5 mm in diam., sometimes several together. Stems erect, 10-20(-30) cm, slender, base with 1-3 scales, with 2-4 leaves, often branched. Leaves long petiolate, petiolar base of lowermost leaves with thin vaginate sheath; blade biternate; leaflets deeply divided, margin and vein papillose scabrid; segments lanceolate. Raceme short, densely 5-10(-15)-flowered; bracts broadly ovate to obovate, 5-7 mm, often apically dentate, sometimes lower bract divided. Pedicel 3-5(-7) mm, slender. Sepals caducous. Flowers amaranth. Outer petals with retuse apex; upper petal (15-)18(-20) mm, spur 6-8 mm; nectary ca. 1/3 as long as spur; lower petal straight or with a broad shallow pouch; inner petals narrowly crested. Capsule linear, 14-18 mm, 5-12-seeded. Seeds keeled, covered with vesicular papillae. Self-incompatible. Fl. and fr. May-Jun.

Shaded areas in forests; 500-1100 m. SE Jilin (Linjiang) [Korea, Russia (Vladivostok)].