Fabaceae
Rhynchosia

Rhynchosia nervosa Benth. ex Harv.

First published in W.H.Harvey & auct. suc. (eds.), Fl. Cap. 2: 253 (1862)
This species is accepted
The native range of this species is Zimbabwe to S. Africa. It is a perennial and grows primarily in the subtropical biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Leguminosae, B. Mackinder, R. Pasquet, R. Polhill and B. Verdcourt. Flora Zambesiaca 3:5. 2001

Morphology General Habit
Prostrate, or less often climbing, herb from a woody rootstock; stems 0.1–1.2 m long, densely spreading yellow-brown hairy, rarely velvety.
Morphology Leaves Leaflets
Leaflets (1)3, 1.5–8(11.5) × 1–6.5(8) cm, elliptic to round, rhombic or oblong, rarely lanceolate, the laterals slightly oblique, rounded to subacute at the apex, rounded to cuneate at the base, pubescent to ± velvety, prominently 3-nerved from the base, venation raised and reticulate beneath; petiole 4–10(25) mm long; rhachis 5–6 mm long; stipules 5–7(8) × 1.1–2(4.5) mm, oblong-lanceolate to lanceolate, rarely ovate-oblong.
Morphology Reproductive morphology Inflorescences
Inflorescences 6–13(23) cm long including peduncle, (1)3–7-flowered (rarely more); pedicels 2.5 mm long.
Morphology Reproductive morphology Flowers Calyx
Calyx yellow-brown hairy; tube 3 mm long; upper lobes 3 mm long, lanceolate, joined at the base; lateral lobes 3 mm long, lanceolate; lowest lobe 3.5 mm long, linear-lanceolate.
Morphology Reproductive morphology Flowers Corolla
Standard orange or yellow, striped red or purple, 9 × 8 mm, obovate, glabrous.
Morphology Reproductive morphology Fruits
Pods 18–22 × 7–8 mm, ± oblong, covered with short and long hairs.
Morphology Reproductive morphology Seeds
Seeds orange-brown to dark red-brown, 4–5 × 3–4 × 1–1.8 mm, rounded reniform, the hilum central and situated in a distinct emargination; rim aril developed, c. 0.7 mm tall.
[FZ]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Kalahari-Highveld regional transition zone; grassland., Zambezian bushland and thicket
Morphology General Habit
Perennial, Climbing/Not climbing, Herb
[ILDIS]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • International Legume Database and Information Service

    • International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    • http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • World Checklist of Vascular plants (WCVP)

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0