巴嘎紫堇 ba ga zi jin

Herbs, perennial, 15-25 cm tall. Storage roots apparently with long thin stalks (only stalks seen). Stems erect, simple, with 2 leaves in upper 1/2. Radical leaves several; petiole 7-15 cm; blade broadly ovate, 2-4 cm, pinnate; pinnae 2 or 3 pairs, shortly petiolulate, again 2-4-divided; lobules linear to lanceolate, 1-2 cm × 2-5 mm, acute, with 3 inconspicuous veins. Cauline leaves 2, lower leaf shortly petiolate, upper leaf nearly sessile or sessile; blade like basal leaves. Raceme 2-4 cm, 6-12-flowered, dense; bracts pinnatifid or palmatisect, 6-15 mm, rarely uppermost lanceolate, entire. Pedicel 8-15 mm. Sepals ca. 1 × 1 mm, lacerate-dentate. Corolla purple, inner petals white. Upper petal 17-18 mm, subacute, dorsal crest entire to dentate, 1-1.5 mm wide, just reaching apex, barely decurrent on spur; spur straight, cylindric, ca. 8 mm; nectary ca. 1/2 as long as spur; lower petal obovate, ca. 10 mm, crested, subobtuse, slightly dentate; inner petals ca. 8 mm. Stigma square; simple marginal papillae: median 2 distinct, lateral broad and indistinct; geminate papillae lateral and terminating well-developed basal lobes. Fruit and seeds unknown. Fl. Jul.

● Open grassy slopes, stony slopes; ca. 4500 m. SE Xizang (Mainling).