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FOC | Family List | FOC Vol. 7 | Papaveraceae | Corydalis

356. Corydalis chingii Fedde, Repert. Spec. Nov. Regni Veg. 20: 219. 1926.

甘肃紫堇 gan su zi jin

Corydalis chingii var. shansiensis W. T. Wang ex C. Y. Wu & Z. Y. Su; C. kansuana Fedde.

Herbs, annual, diffusely branched, with slender taproot. Stems many, 10-40 cm, ridged, branched and leafy throughout. Petiole of lower leaves 3-6 cm, petiole of upper leaves absent to 3 cm; blade oblong-triangular, 2-6 × 1-5 cm, bipinnate to tripinnate; primary leaflets 2 or 3 pairs, stalked; secondary leaflets 1(or 2) pairs, nearly sessile, 3-parted, segments often again bifid to trifid; ultimate lobes oblong, 3-5 × 1-2 mm, apex obtuse, nearly mucronate. Racemes 6-15-flowered, elongating in fruit; bracts cuneate to shortly stalked, 3-7 mm, deeply cut into acute segments, or lowermost bracts leaflike, 10-25 mm. Pedicel 4-10 mm, slightly elongating and ± recurved in fruit. Sepals dentate, 1-2 × 0.5-2 mm. Corolla pink to purple; upper petal slightly upcurved at apex, 15-20 mm, acute; crest 1-2.5 mm high, entire, prolonged to petal lobe apex, not reaching spur; spur slightly downcurved at tip, cylindric, 7-9 mm, obtuse at tip; nectary extended through ca. 1/2 of spur; lower petal shortly crested, broadly spreading in apical 1/3, near claw becoming narrow; claw conspicuously saccate subbasally (almost like a small spur) but narrow at very base; inner petals 9-10 mm; claw ca. as long as limb. Stigma compressed-square, apex with 4 papillae, lateral geminate papillae submarginal, basal geminate papillae on slightly protruding lobes. Capsule linear, subtorulose, 14-19 × ca. 2 mm, style ca. 3 mm, replum long persistent. Seeds in 1 row, rounded, ca. 2 mm, keeled, smooth or very faintly reticulate.

● Mountain slopes, roadsides, shaded wet zones; 1400-3300 m. NE Gansu (Lintao, Yongdeng), N Shaanxi (Jingbian), W Shanxi (Fangshan, Pianguan).


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