Herbs. Stems prostrate or twin­ing, tomentulose, hairs silvery or grayish. Leaves trifolio­late; stipules persistent, subulate, 1–2 × 0.5–1 mm, apex acute to acu­minate, surfaces tomentulose; petiole 4–30 mm, tomentulose; leaflet blades obovate or elliptic-lanceolate, 10–45 × 5–20 mm, leathery, gland-dotted, base obtuse, apex usually rounded or obtuse, rarely acuminate, surfaces strongly reticulate and densely grayish tomentulose abaxially, densely grayish tomentulose adaxially. Inflorescences racemes, shorter than or equal to leaves, 2–6 cm. Pedicels 2–4 mm, viscid. Flowers: calyx 5–7 mm, tomentose, viscid, tube 2–2.5 mm, lobes lanceolate, laterals 4–5 mm, lengths to 2.5 times tube, adaxials 2.5–5 mm; corolla pale yellow; banner suborbiculate, 8–10 × 6–7 mm, emarginate, puberulent, gland-dotted; wings oblong, 8–9 × 2.5–3 mm, glabrous; keel 8–9.5 × 2–2.5 mm, glabrous; stamens 8–10 mm. Legumes ellipsoid, compressed, 15–17 × 4–6 mm, yellow-hirsute and puberulent, hairs intermixed. Seeds brown, black, or mottled, ovoid-ellipsoid, compressed, 2.5–4 × 2.5–3 mm; hilum linear, 1–1.5 mm.

Phenology: Flowering spring–summer.
Habitat: Sandy pinelands and grasslands, limestone, trails, roads, beaches.
Elevation: 0–10 m.

Distribution

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Fla., West Indies (Greater Antilles).

Discussion

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

Selected References

None.

Lower Taxa

None.