假丝叶紫堇 jia si ye zi jin

Herbs, perennial, 10-20 cm tall, glabrous or with papillose-hairy pedicels; stems and petioles of radical leaves attenuate to filiform underground base. Storage roots fascicled, long and narrow, 2-6 cm × 0.5-1.5 mm, tapering to both ends. Stems slender, simple, with 2 leaves in upper 1/2. Radical leaves few; petiole weak, 2-5 cm; blade glaucous especially abaxially, orbicular, 1-2 × 1-2 cm, sub-biternate; lobes 3-6, obovate to obovate-oblong. Cauline leaves sessile, palmatifid to base into 3-6 linear lobes 8-20 × 1-3 mm. Raceme 1.5-2 cm, 3-14-flowered, at flowering dense, at fruiting extended; bracts linear-oblanceolate or linear, 7-10 mm, obtuse. Pedicel erect, ca. 10 mm, at fruiting prolonged to 15 mm. Sepals 0.5-1 mm, with narrow teeth. Corolla blue, inner petals whitish; outer petals navicular-acute; dorsal crest narrow (ca. 1 mm) but conspicuously overtopping apex, hardly decurrent on spur; upper petal 13-15 mm; spur straight, conical, 7-8 mm, obtuse; nectary almost 1/2 as long as spur, thin; lower petal 8-9 mm; inner petals 7-8 mm. Stigma cleft to 1/3, with 4 apical marginal papillae, lateral papillae indistinct, geminate papillae at base. Capsule elliptic, 5-7 × 2-3 mm, smooth, 2-5-seeded; style ca. 2.5 mm.

● Wet brooks; 3900-4700 m. C Xizang (Lhasa).