丝叶紫堇 si ye zi jin

Herbs, perennial, 25-30 cm tall. Stems simple, erect, with 2(or 3?) leaves in upper 1/2, tapering to thin base. Cauline leaves shortly stalked; blade glaucous abaxially, green adaxially, palmately cut into 3-7 linear leaflets 20-35 × 0.5-1 mm, apex acuminate. Raceme 2-4 cm, densely ?many flowered; lowest bract with 3 linear segments, other bracts linear, entire. Pedicels slightly longer than bracts, slender. Corolla sky blue; upper petal 10-11 mm, limb navicular, acute, without crest; spur cylindric, ca. 6 mm; nectary ca. 1/2 as long as spur, very thin; lower petal navicular-oblanceolate, without crest; inner petals ca. 6 mm. Stigma square, with 4 marginal apical papillae; geminate papillae lateral and on well-developed basal lobes. Fl. Aug.

● Picea forests; ca. 3800 m. SE Xizang (Bomi).

This species is like Corydalis longibracteata but has longer stems, more numerous and smaller flowers, and thinner nectaries. It is possibly a shade form of that species.