林生紫堇 lin sheng zi jin

Herbs, perennial, 60-80 cm tall; stems attenuate to filiform underground base. Roots unknown. Stems very slender, main stem with 6 leaves in upper 2/3, branches with 2 or 3 leaves. Radical leaves not seen. Cauline leaves: lower petiole to 3 cm, upper leaves sessile; blade of lowest leaf ca. 10 × 5 cm, upper much smaller, grayish abaxially, dark green adaxially, ovate in outline, bipinnate, abaxially with dense papillae; pinnae petiolulate, distant; pinnules nearly sessile, deeply 2-5-divided; lobes obovate to oblanceolate, mucronate. Racemes 3-6 cm, at fruiting to 10 cm, densely 12-25-flowered; bracts flabellate-lobate, 4-5 mm; segments oblanceolate, often with a few long teeth, acute; uppermost bracts oblanceolate, incised. Pedicel 3-5 mm, recurved in fruit. Sepals ca. 1 × 1.5-2 mm, deeply lacerate. Petals light blue; upper petals 18-21 mm, petal lobes navicular-ovate, crest very narrow; spur straight, cylindric, 13-15 mm; nectary 1/3-1/2 as long as spur; lower petal navicular-oblong, 7-8 mm; inner petals 6-7 mm. Stigma square; marginal papillae: 2 central distinct, lateral broad and indistinct; geminate papillae sublateral and on basal lobes. Capsule oblong, 5-8 × ca. 2 mm, 2-4-seeded. Seeds in 1 row, smooth. Fl. and fr. around Aug.

● Forests; ca. 3400 m. SE Xizang (Zayü).