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

191. Corydalis juncea Wallich, Tent. Fl. Napal. 54, t. 42. 1826.

裸茎黄堇 luo jing huang jin

Herbs, perennial, 10-45 cm tall, glabrous; stems and petioles of radical leaves attenuate to filiform underground base. Storage roots several, spindle-shaped, 1-5 cm × 2-6 mm, fleshy, sessile or shortly stalked. Stems 1-5, simple, with 0-2 leaves. Radical leaves few; petiole 10-25 cm; blade pruinose abaxially, green adaxially, deltoid, 4-7 × 4-10 cm, bi- to triternate; pinnae with petiolule 2-3 cm; pinnules sessile, entire to deeply 3- or 4-divided; lobules narrowly lanceolate to broadly oblanceolate, acute. Cauline leaf or leaves simple, sessile; blade lanceolate or linear-lanceolate, 1-5 cm × 1-4 mm, entire. Raceme 5-20 cm, 10-30-flowered; bracts linear or linear-lanceolate, 5-20 mm, entire. Pedicel 5-15 mm, recurved in fruit. Sepals 0.1-0.8 mm, shallowly dentate. Petals pure yellow, inner petals with sharply contrasting black-purple apex; upper petal ovate, 10-15 mm, crest decurrent on spur; spur cylindric, 5-7 mm; nectary ca. 1/2 as long as spur; lower petal obovate, 7-9 mm; inner petals 6-8 mm. Stigma broad, bifid, with 8 papillae of which basal ones geminate. Capsule oblong, 10-13 × ca. 2 mm, 8-10-seeded; style ca. 3 mm. Seeds ca. 1 mm, smooth. Fl. and fr. Jun-Sep.

Alpine shrubs, grasslands, often in shrubs in pastures; 3600-4400 m. S Xizang [Bhutan, NE India, Nepal].


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