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

310. Corydalis caput-medusae Z. Y. Su & Lidén, Edinburgh J. Bot. 54: 66. 1997.

泸定紫堇 lu ding zi jin

Herbs, perennial, 25-30 cm tall. Rhizome horizontal, 2-4 × 1-1.5 cm, densely clad with imbricate fleshy scales in 2 rows, with few-leaved apical rosette based in prominent bulb. Stems suberect, simple, with 2 or 3(or 4) leaves in upper 1/2. Radical leaves 2-4; petiole 8-15 cm, base broad and fleshy; blade glaucous abaxially, triangular, 4-7 × 5-8 cm, biternate; primary leaflets with petiolule 1-3 cm; ultimate leaflets sessile, 2-3 × ternatisect into narrowly oblong to obovate, rounded to obtuse, mucronulate lobes. Cauline leaves: lower petiole 1-2 cm, upper almost sessile, like radical leaves. Raceme capitate, ca. 3 cm, 10-15-flowered; bracts ca. 2 cm, much divided into linear acute lobes; upper bracts smaller and less divided. Pedicel thin, 5-10 mm, elongating to 15(-20) mm in fruit. Sepals white, ca. 1 × 1.5 mm, sharply dentate. Corolla dark violet, rarely white; upper petal 25-28 mm, broad, shortly acuminate, without crest; spur much recurved at apex, narrowly cylindric, 15-17 mm; nectary apically sigmoid, ca. 2/3 as long as spur; lower petal ca. 14 mm, with narrow claw and rhombic shortly acuminate limb; inner petals 11-13 mm. Stigma rounded, marginal simple papillae 6, geminate papillae lateral and at base, basal lobes not developed. Capsule reflexed on straight pedicel, narrowly obovoid, ca. 10 × 3-4 mm, 6-10-seeded, valves thick; style 2.5-3 mm. Seed 1.7-1.8 mm, smooth. Fl. and fr. Jul.

● Humid valleys; 2800-3200 m. NE Yunnan (Daguan, Ludian, Qiaojia).


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