Compilation
Rhynchosia riparia

prostrate or voluble, glabrous or minutely downy, slender; branches filiform; leaves on longish petioles, leaflets ovate, oblong or oblongo-lanceolate, resinous-dotted and paler beneath; stipules ovate or lanceolate, acute, persistent; peduncles slender, longer than the leaves, 1–6-flowered at the summit; calyx-tube narrow, shorter than the lanceolate segments, which are half as long as the glabrous vexillum; legume stipitate, glabrous or downy. Stems trailing or climbing, very slender; branches flexuous or twining round plants, &c. Stipules broad, ovate or sub-lanceolate, 1–2 lines long, rigid. Petioles 1/2–1 inch long. Lower leaflets ovate or oblong, 1/2–1 1/2 inch long, 1/2– 3/4 inch wide; upper narrower and longer, sometimes nearly linear, 1–1 1/2 lines wide. Peduncles thread-like, 1–3 inches long, rigid. Flowers 4–5 lines long, the calyx-segments narrow, the upper scarcely connate to the middle. Alæ much shorter than the carina. Legume 8–9 lines long, 3 lines wide, tapering at base into a 1–2 line long stipe.