Corydalis ser. Clavatae in Flora of China @ efloras.org

36. Corydalis ser. Clavatae C. Y. Wu & H. Chuang, Acta Bot. Yunnan. 4: 7. 1982.

棒状根系 bang zhuang gen xi

Corydalis ser. Fibrosae C. Y. Wu & H. Chuang.

Plants perennial, glaucous, usually only 2-5 cm above scree surface; stems and petioles of radical leaves attenuate to often long filiform underground base. Storage roots few to several, distally tapering. Bulb (resting bud) prominent, 0.5-2 cm. Corolla blue, pale blue, or white with blue apex, rarely pink; dorsal crest of inner petals very slightly overtopping apex. Capsule pendent from erect to apically arcuate pedicel, explosively dehiscent.

Six species: N and W China, Kazakhstan, Kyrgyzstan, C and W Mongolia, ?NE Myanmar, Russia; five species (four endemic) in China.

1 Radical leaves absent at flowering; cauline leaves absent; bracts conspicuous, obtriangular, apically shortly 3-7-fid, fleshy, gray with paler streaks. 273 C. bulbifera

+ Radical leaves conspicuous; bracts without pale longitudinal streaks (2)

2 (1) Bracts much divided (3)

+ Bracts entire (lowermost rarely slightly divided) (4)

3 (2) Ultimate lobes of leaves and bracts oblong, obtuse, 1-3 mm wide; radical leaves ovate to oblong, pinnate with biternatisect leaflets; upper petal 18-25 mm, spur downcurved, (7-)9-13(-15) mm, thick; capsule 5-9 × 3-4 mm, reflexed from erect pedicel. 274 C. melanochlora

+ Lobes of leaves and bracts linear, pointed, to 0.5 mm wide; radical leaves triternate; upper petal 14-18 mm, spur straight, 6-8 mm, rather thin; capsule 8-13 × 2-2.5 mm, reflexed from distally arcuate pedicel. 275 C. myriophylla

4 (2) Corolla blue; raceme 6-12-flowered; cauline leaf usually absent, rarely 1; radical leaves with sessile leaflets. 272 C. zadoiensis

+ Corolla white or pink; raceme 2-5-flowered; cauline leaves 1 or 2, rarely absent; radical leaves with stalked leaflets. 271 C. inconspicua

Lower Taxa