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

348. Corydalis oligantha Ludlow & Stearn, Bull. Brit. Mus. (Nat. Hist), Bot. 5: 60. 1975.

少花紫堇 shao hua zi jin

Herbs, perennial, 8-18 cm tall. Rhizome short, with fibrous slender roots and small apical leaf rosette. Stems weak, slender, simple or branched above with (0 or) 2 or 3 leaves. Rosette leaves: petiole 2-5 cm; blade broadly triangular or ovate, 1-2 × 1-2.5 cm, biternate; primary leaflets shortly petiolulate; ultimate leaflets deeply divided into 3-6 narrowly oblong to oblanceolate obtuse lobes. Raceme 2-4-flowered, co- rymbose; bracts shortly stalked, (ternate to) deeply ternatisect with ± divided lobes, 5-12 mm, upper less divided. Pedicel erect, 7-15 mm, slender. Sepals reniform, ca. 1 mm wide, dentate. Petals white, light blue, or purple; upper petal 16-18 mm, subacute, without crest, spur almost straight, narrow, 8-9 mm; nectary ca. 1/2 as long as spur; lower petal 8-9 mm, claw shallowly saccate, base with small pouch; inner petals 7-8 mm. Stigma rounded, without basal lobe; marginal simple papillae: 2 median distinct, lateral diffuse; geminate papillae lateral and at base. Capsule narrowly elliptic, 9-10 × ca. 2 mm, ca. 10-seeded; style ca. 2 mm. Seeds ca. 1 mm. Fl. and fr. May.

Forests, on mossy banks; 2100-3100 m. S Xizang (border with Bhutan), Yunnan (Gaoligong Shan) [E Bhutan, India (Assam), Myanmar].

The species is here taken in a wide sense due to sparse material.


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