甘洛紫堇 gan luo zi jin

Corydalis angustiflora C. Y. Wu, p.p. (as to type).

Herbs, perennial, 40-60 cm tall, glabrous. Rhizome columnar, 4-9 × 1-1.5 cm, clad with densely imbricate fleshy scales and petiolar bases. Stems erect, stout, simple or with a late branch, with 3-5 scattered leaves, in axils of (upper) cauline leaves often with large black spindle-shaped bulbils. Radical leaves few; petiole 11-15 cm, base fleshy; blade abaxially pruinose, adaxially green, bi-(tri-)ternate; primary leaflets petiolulate; ultimate leaflets almost sessile, deeply ternatisect; lobes again shallowly divided at apex; lobules oblong to obovate, apex obtuse. Cauline leaves: lower petiole 5-7 cm, upper 1-4 cm; blade like radical leaves, but upper leaves less divided. Raceme simple or with a basal branch, 5-10 cm, 10-20-flowered, dense in flower, elongating in fruit; bracts narrowly oblanceolate, 5-12 mm, entire, sometimes lowest bract deeply 3-5-divided. Pedicel very thin, 5-10 mm, scarcely elongating in fruit. Sepals ca. 1 × 1 mm, finely dentate. Corolla lavender or blue; outer petals navicular, narrow, acute, usually with narrow crest; upper petal 23-25 mm; spur straight, cylindric, 12-15 mm; nectary 2/3-3/4 as long as spur, thin; lower petal 11-13 mm, with long narrow claw widened into narrow acute limb; limb not reflexed; inner petals 10-11 mm. Stigma square, slightly emarginate; marginal simple papillae: median 2 distinct, lateral indistinct; geminate papillae lateral (submarginal) and terminating well-developed basal lobes. Capsule narrowly obovoid, 10-14 × ca. 2 mm, 5-15-seeded; style ca. 3 mm. Seeds in 1(or 2) rows, ca. 1.8 mm, smooth. Fl. and fr. May-Jun.

● Forest understories; 1700-2200 m. W Sichuan (Ganluo, Mabian).