盐碱土坡油甘 yan jian tu po you gan

Smithia dichotoma Dalzell ex Baker.

Herbs, annual, 30-45 cm tall. Stems slender, rarely branched, sparsely setose. Stipules ovate-lanceolate, ca. 3 mm. Leaves 2- or 4-foliolate; petiole ca. 1 mm; rachis 1-1.5 cm; leaflet blades oblong-oblanceolate, 1.5-2 × 0.6-0.7 cm, mem­branous, both surfaces glabrous, apex obtuse. Inflorescences shortly scorpioid cymes, with 5 or 6 flowers; peduncle upward spreading, 3-7 mm; bracts ovate-lanceolate. Bracteoles linear, 1/4-1/3 as long as calyx, membranous. Calyx 1-1.2 cm, mem­branous, dry, almost glabrous, with reticulate veins, abaxial lip apex acute, adaxial lip longer and apex acute to slightly emar­ginate. Corolla yellow, ca. 1.5 × as long as calyx. Stamens dia­delphous. Ovary with a short stipe. Legume a plicate loment, shortly stipitate, divided into 10-12 articles; articles globose, outside smooth or papillate. Seeds not seen. Fl. and fr. Aug-Oct.

Beaches. Guangdong [India].