朗县黄堇 lang xian huang jin

Herbs, perennial, 25-40 cm tall, glabrous; stems and petioles of radical leaves attenuate to filiform underground base. Storage roots fasciculate, 3-4 cm × 2-5 mm, narrowed at base. Stems 1-3, simple or branched, lower part without leaves, above with 1-3 leaves. Radical leaves few; petiole 5-18 cm; blade glaucous abaxially, green adaxially, imparipinnate with 2 closely set pairs of lanceolate leaflets 3-7 × 0.5-1 cm. Cauline leaves similar, shortly stalked. Racemes 4-8 cm, 6-12-flowered; bracts lanceolate, ca. 1 cm, entire. Pedicel 7-12 mm. Sepals 0.3-1 mm, dentate. Petals golden yellow; upper petal ca. 13 mm, limb broadly ovate-acute, crest ca. 0.5(-1?) mm wide, attenuate to both ends, decurrent on spur; spur slightly downcurved, cylindric, ca. 6 mm; nectary ca. 3/4 as long as spur, thin; lower petal 7-9 mm, with very short crest, middle slightly contracted, basally slightly saccate; inner petals 6-7 mm. Style ca. 2 mm; stigma very peculiar, much broader than long with 6 forward-pointing stalked marginal papillae, and small rounded basal lobes; geminate papillae lacking. Fruit not seen. Fl. Jun.

● Wet grasslands at shrub margins; ca. 3600 m. SE Xizang (Nangxian).