Botanical name: Smithia salsuginea Family: Fabaceae (Pea family)
Synonyms: Smithia dichotoma, Damapana dichotoma
Brackish Smithia is an annual herb, 30-45 cm tall. Stems are slender, rarely branched, sparsely setose. Stipules are ovate-lanceshaped, about 3 mm. Leaves are 2- or 4-foliolate, stalk about 1 mm; rachis 1-1.5 cm; leaflet blades are oblong-inverted-lanceshaped, 1.5-2 × 0.6-0.7 cm, membranous, both surfaces hairless, tip blunt. Inflorescences are shortly scorpioid cymes, with 5-6 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. Flowering: August-October.
Identification credit: Neil Soares
The flower labeled Brackish Smithia is ...