Rhynchosia hauthalii (Kuntze) Grear [Familia Fabaceae]

Descripción y datos generales

Publicación original

Kuntze. (1898). Revis. Gen. Pl., 3(3), 60.

Status

Nativa

Hábito

Subarbusto

Ciclo de vida

Perenne

Descripción morfológica

Subshrub prostrate, stems not branched, pilose, indumentum light yellow, lacking vesicular glands and bulbous-based trichomes. Stipules 3–6.8 × 1–2 mm, free, persistent, lanceolate, externally pilose with sparse bulbous-based trichomes and yellow vesicular glands. Leaves trifoliolate; petiole 0,9–2.5 cm long; leaf rachis 0.9–2 cm long; stipels persistent; leaflets 2.6–6.1 x 2.2–5.8 cm, obovate to rounded, surface not bullate, mucronate, or rounded at apex, rounded at base, margin entire, pilose, with yellow vesicular glands on both surfaces. Inflorescences axillary, racemose, 7.1–18 cm long, many-flowered, exceeding the length of the subtending leaf; bracts caducous; pedicel 1.5–2.5 mm long. Flowers 8–11 mm long excluding the pedicel; calyx 4–8.1 mm long, pubescent with yellow vesicular glands and bulbous-based trichomes, lobes lanceolate, not exceeding the corolla in length; standard petal 7–10 × 5.3–6 mm, obovate, rounded at apex, pilose to glabrescent, with sparse vesicular glands and bulbous-based trichomes, claw ca. 2 mm long, auricle ca. 0.5 mm long; wing petals 9–10 × 1–2 mm, oblong, claw 2–2.5 mm long, auricle 0.5–1 mm long; keel petals 8.5–10 × 2–3 mm, falcate, claw 2–3 mm long; stamens 8.2–11 mm long; ovary 3.3–4 mm long, pubescent, with yellow vesicular glands. Fruits 1.8–2.2 × 0.5–0.6 cm, greenish to brown, without constrictions between the seeds, oblong in outline, pubescent to hirsute, with yellow to brown vesicular glands and bulbous-based trichomes. Seeds 2.5–4 × 2.5–3.5 mm, suborbicular, unicolored, brown to black.

Material tipo

PARAGUAY, “Sude Paraguay”, November 1892 (fl./fr.), O. Kuntze s.n. (Neotype, designated inadvertently [as holotype] by Grear [1978]: NY 00026946 [!]). Iconography: Rodriguésia 70: 9. 2019.

Distribución

Distribución por país

Sinonimia (4 sinónimos)

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Referencias bibliográficas por País

Vouchers — Ejemplares examinados

Colecciones de referencia

Registros de herbario determinados actualmente con este nombre.

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Estado de conservación