贵州黄堇 gui zhou huang jin

Herbs, annual (sometimes ?perennial), 25-35 cm, glabrous, with taproot. Stems angular, branched above, leafy. Basal leaves with long petiole to 20 cm; blade deltoid, 7-10 × 10-15 cm, biternate; ultimate leaflets well spaced, petiolulate, ovate, 3-10 × 1.5-2 cm, entire to slightly lobate, sparingly large dentate. Cauline leaves like basal leaves, but smaller. Racemes 5-10-flowered, dense in flower, slightly elongating in fruit; peduncle to 5 cm; bracts lanceolate, 2-5 mm. Pedicel 2-5 mm, not elongating in fruit. Flowers yellow, 10-14 mm, or sometimes only 7 mm in cleistogamous flowers. Sepals minute. Outer petals shortly crested; spur of upper petal absent to 4 mm, with small or obsolete nectary; inner petals 6-10 mm. Stigma horizontal, oblong, small, apex of each arm with 1 large papilla, lower part with 1 pair of small papillae. Capsule linear, ca. 2.5 cm × 2 mm. Seeds in 1 row, ca. 1.2 mm, slightly flattened, not keeled, smooth on sides, but with several concentric rows of small tubercles on rounded-obtuse back; elaiosome thin and broad, folded over seed. Fl. and fr. Mar-Jun.

● Rock crevices; 400-1500 m. E Guangxi (Guibei, Huanjiang, Lingui), SW Guizhou (Anlong), SE Yunnan (Wenshan).