Herbs or subshrubs. Stems trailing or twining, gland-dotted, soft-hirsute, hairs silvery. Leaves trifoliolate; stip­ules persistent, narrowly lanceolate to lanceolate, 3–4 × 0.5–1.5 mm, acuminate, surfaces hirtellous; petiole 10–60 mm, hirsute; leaflet blades ovate, 20–60 × 15–45 mm, membranous, gland-dotted abaxially, base obtuse, rounded, or truncate, apex acute or long-acuminate, surfaces hirsute abaxially, glabrous or hirsute adaxially. Inflorescences racemes, longer than leaves, 1–6 cm. Pedicels filiform, 2–4 mm, viscid. Flowers: calyx 3.5–5 mm, hirsute-viscid, tube 2.5–5 mm, lobes broadly lanceolate, laterals 1.5–2 mm, lengths to 2.5 times tube, adaxials 0.5–1 mm; corolla yellow; banner obovate, 5–8 × 3–4.5 mm, marginate, puberulent, gland-dotted; wings oblong, 4–5 × 1–1.5 mm, glabrous; keel 4.5–5 × 2-2.5 mm, glabrous; stamens 3.5–5 mm. Legumes brown, acinaciform, compressed, 25–40 × 5–9 mm, tapered toward base, densely puberulent, hairs long, scattered. Seeds brown to red, reniform, barely com­pressed, 4–6 × 3–3.5 mm.

Phenology: Flowering spring.
Habitat: Sandy soils, hammocks, thickets, open woods, pastures, roadsides.
Elevation: 0–10 m.

Distribution

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Fla., s Mexico, West Indies (Bahamas, Greater Antilles).

Discussion

In the flora area, Rhynchosia swartzii is found in Miami-Dade and Monroe counties.

Selected References

None.

Lower Taxa

None.