Rhynchosia phaseoloides (Sw.) DC. [Familia Fabaceae]

Descripción y datos generales

Publicación original

Sw. (1825). Prodr., 2, 385.

Status

Nativa

Hábito

Enredadera

Ciclo de vida

Perenne

Descripción morfológica

Vine climbing or suffrutescent, twining, stems simple or branched, pilose to pubescent, indumentum white to light yellow, with yellow vesicular glands, but lacking bulbous-based trichomes. Stipules 1.2–6 × 1–2 mm, free, caducous, lanceolate, externally pubescent with yellow vesicular glands, but lacking bulbous-based trichomes. Leaves trifoliolate; petiole 1.2–7.7 cm long; leaf rachis 1.5–3.8 cm long; stipels absent; leaflets 2.1–9.7 × 1.9–9.5 cm, ovate, deltoid or rhombic, surface not bullate, attenuate to acuminate at apex, obtuse, truncate or rounded at base, margin entire, pilose to pubescent, with yellow vesicular glands on the abaxial surface. Inflorescences axillary, paniculate, 5.5–30 cm long, many-flowered, exceeding the length of the subtending leaf; bracts caducous; pedicels 0.5–1 mm long. Flowers 4–8 mm long excluding the pedicel; calyx 3–3.5 mm long, pubescent with yellow vesicular glands and bulbous-based trichomes, lobes lanceolate, not exceeding the corolla in length; standard petal 6–9 × 4–6 mm, obovate, emarginate to rounded at apex, pubescent, with yellow vesicular glands and bulbous-based trichomes, claw 1–2 mm long, auricle ca. 0.5 mm long; wing petals 5–8 × 1–2 mm, oblong, claw 1–2 mm long, auricle ca. 0.5 mm long; keel petals 5–8 × 1.5–3 mm, falcate, claw 1–3 mm long; stamens 6–9 mm long; ovary 2.3–3.1 mm long, pubescent, with yellow vesicular glands. Fruits 0.9–2.5 × 0.8–10 mm, greenish to brownish, strongly constricted between the seeds, ovate or oblong, pilose to pubescent, with yellow vesicular glands, but lacking bulbous-based trichomes. Seeds 4–6 × 3–5 mm, suborbicular, bicolored, black and red, areas of coloration almost equal in area.

Distribución

Distribución por país

Sinonimia (2 sinónimos)

Seleccione un encabezado para ordenar; vuelva a pulsarlo para invertir el orden.

Referencias bibliográficas por País

Vouchers — Ejemplares examinados

Colecciones de referencia

Registros de herbario determinados actualmente con este nombre.

Seleccione un encabezado para ordenar; vuelva a pulsarlo para invertir el orden.

Estado de conservación