尿罐草 niao guan cao

Herbs, perennial, (sub-)scapose, glaucous, with taproot, sometimes with persistent withered leaf residues. Leaves all crowded at base, 10-25 cm; petiole 5-10 cm; blade lanceolate, 10-15 cm, bipinnate; primary pinnae ca. 5 pairs, petiolulate, lower ones with 2 pairs of pinnules; ultimate leaflets subsessile, ovate to obovate, 5-10 × 3-5 mm (to 15 × 12 mm in shade-grown plants), shallowly 3-lobed with rounded, sometimes obscurely mucronate, segments. Flowering stems several, leafless except at very base, 10-20 cm (to 30 cm in shade-grown plants). Raceme rather lax, 7-23-flowered, usually longer than peduncle; bracts lanceolate, 3-5 mm, apex acuminate. Pedicel 5-6 mm, at fruiting to 1 cm. Flowers yellow, 16-21 mm. Sepals ovate, 1-2 mm, margin shallowly dentate, apex mucronate. Outer petals mucronate, without crest; spur ascending-curved, 6-8 mm, obtuse; nectary extended through 2/3-3/4 of spur; inner petals 10-13 mm, with low crest, not or only slightly overtopping apex, claw equaling limb. Stigma bifid, lobes rather broad and flat, reflexed-geniculate, each with 2 apical papillae and a pair of geminate lateral submarginal papillae. Capsule suberect, linear, 3-4 cm. Seeds in 1 row, slightly keeled.

● Mixed forests, stone crevices; 1000-2500 m. W Sichuan (Baoxing, Tianquan, Yuexi), NW Yunnan (Weixi).