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

176. Corydalis kiukiangensis C. Y. Wu, Edinburgh J. Bot. 54: 67. 1997.

俅江紫堇 qiu jiang zi jin

Corydalis lutescens C. Y. Wu ex H. Chuang, p.p. (excluding type).

Herbs, perennial, glaucous, 20-60 cm tall, glabrous. Rootstock 1-4 × 0.6-0.7 cm, apical leaf rosette with very fleshy petiolar bases ca. 1 cm, dark and hard in dry state. Stems few, suberect to ascending, main stems and low branches with 3 or 4 leaves, upper branches with 2 leaves. Rosette leaves and lower cauline leaves: petiole 6-17 cm; blade 4-8 × 2-6 cm, biternate; leaflets ± deeply cut into 2-7 obovate to oblong lobules; upper cauline leaves smaller. Racemes 6-10-flowered; lower bract like a very small leaf, basally with small auricles, upper ones shallowly lobed to entire, 6-12 mm, segments mucronate. Pedicel 8-12 mm, very thin. Sepals reniform, ca. 0.5 × 1 mm, dentate. Corolla pale yellow, greenish yellow at apex; outer petals with limb navicular, acute, very narrowly and shortly crested; upper petal 19-23 mm, spur slightly downcurved, cylindric or slightly tapering, 10-12 mm; nectary 1/2-2/3 as long as spur; lower petal shallowly saccate at middle; inner petals 10-11 mm. Stigma with 6 marginal simple papillae in apical part (lateral ones sometimes pairwise confluent); 2 geminate papillae clearly submarginal and 2 on well-developed basal lobes. Capsule pendent from erect pedicel, oblong-lanceolate, 10-13 × ca. 2 mm, 5-10-seeded, probably explosively dehiscent; style ca. 3.5 mm. Seeds 1.4-1.5 mm, smooth, slightly flattened, not keeled; caruncle small, narrow. Fl. Apr-Sep, fr. Aug-Oct.

● Disturbed forests, field margins; 1600-1900 m. NW Yunnan (Dulong Jiang valley).

This species might be better placed in Corydalis sect. Priapos (capsule pendent from erect pedicel).


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