Fabaceae
Rhynchosia

Rhynchosia chapmanii Verdc.

First published in Kew Bull. 55: 140 (2000)
This species is accepted
The native range of this species is Malawi. It is a shrub and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Shrub (0.6)1.2–1.5 m tall; stems dark, densely pale yellow-brown pubescent.
Morphology Leaves Leaflets
Leaflets 3, 1.7–3.7 × 1.2–3 cm, ovate, the laterals slightly oblique, acute at the apex, rounded, truncate or faintly cordate at the base, discolorous, dark on upper surface and with white pubescence, grey-white beneath and densely velvety with tangled white hairs, 3-nerved from the base to just over halfway; venation ± impressed above, raised and reticulate beneath; petiole 4–16 mm long; rhachis 5–10 mm long; stipules c. 2 mm long, oblong, very early deciduous.
Morphology Reproductive morphology Inflorescences
Inflorescences short, 1(3?)-flowered; peduncle c. 10 mm long; pedicels 6 mm long.
Morphology Reproductive morphology Flowers Calyx
Calyx densely glandular pubescent; tube 5 × 6 mm; upper lobes joined for 3 mm to form a bifid lip 5 × 5 mm, laterals 5 × 2.5 mm, triangular, acuminate, lowest lobe 8 × 2.5 mm, triangular-lanceolate.
Morphology Reproductive morphology Flowers Corolla
Corolla yellow with keel dark purplish at tip; standard 22 × 12 mm including 5 mm long claw, obovate, densely pubescent outside; wings 8 × 4 excluding 6 mm long claw, elliptic-oblong; keel much longer, 1.5 × 7 mm excluding 7 mm long claw.
Morphology Reproductive morphology Flowers Androecium
Androecium 2 cm long.
Morphology Reproductive morphology Fruits
Pods immature, 25 × 7 mm, oblong, densely covered with long silky gland based ± appressed hairs.
Morphology Reproductive morphology Seeds
Seeds not seen.
[FZ]

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: threatened. Confidence: confident
[AERP]

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/

  • 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