Rhynchosia clivorum S.Moore

First published in J. Bot. 16: 131 (1878)
This species is accepted
The native range of this species is Tanzania to Eswatini. It is a perennial or shrub and grows primarily in the seasonally dry tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/108618140/108620212

Conservation
LC - least concern
[IUCN]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Montane wooded grassland
Morphology General Habit
Perennial, Not climbing, Herb/Shrub
[ILDIS]

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, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

Morphology General Habit
Erect branched shrub or shrubby herb 0·9–3 m. tall.
Morphology Stem
Stems leafy, densely pubescent or hirsute.
Morphology Leaves
Leaflets 3, oblong-elliptic or ovate-elliptic, 2·5–11 cm. long, 1–5 cm. wide, acute to acuminate, rounded to truncate at the base, pubescent to villous above, pilose on the venation beneath; venation impressed above, strongly raised beneath so that the leaflet is conspicuously rugose; petiole 0·5–6 cm. long; rhachis 0·1–1·5 cm. long; petiolules 2–3 mm. long; stipules reflexed, oblong, ± 8–15 mm. long, 5–7 mm. wide, pubescent.
Morphology Reproductive morphology Inflorescences
Inflorescences terminal; rhachis 2–6(–19) cm. long; peduncle 2(–6) cm. long; pedicels 2–3 mm. long; bracts large, soon deciduous, comose at the apex of the inflorescence, round to ovate, 0·8–2 cm. long, 0·4–1·4 cm. wide, acuminate to cuspidate at the apex, adpressed silvery pubescent.
Morphology Reproductive morphology Flowers Calyx
Calyx silvery to ferruginous, pubescent or pilose and with longer tubercular-based yellowish hairs; tube 3–4 mm. long; lobes lanceolate, 0·7–2·2 cm. long, 2–5 mm. wide, the lowest usually the longest, the upper pair joined for ± half their length.
Morphology Reproductive morphology Flowers Corolla
Standard bright yellow veined with brownish-red, 1·5–2 cm. long, 1·2–1·4 cm. wide, glabrous.
Morphology Reproductive morphology Fruits
Pods oblong, 1·7–2 cm. long, 7–8 mm. wide, acuminate, densely clothed with yellow tubercular-based bristly hairs and also some finer pubescence.
Morphology Reproductive morphology Seeds
Seeds dark blackish-red, reniform, compressed, longest dimension 4 mm., shorter dimension 3 mm., 1·5 mm. thick.
Distribution
T7
[FTEA]

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

Morphology General Habit
Erect branched shrub or subshrubby herb, rarely a small tree, 0.9–3.6(4.5) m tall.
Morphology Stem
Stems leafy, densely pubescent or hirsute.
Morphology Leaves Leaflets
Leaflets 3, 2.5–11(12) × 1–5(7) cm, oblong-elliptic or ovate-elliptic to oblong-lanceolate, acute to acuminate, rounded to truncate at the base, pubescent to villous above, pilose on the venation beneath; venation impressed above, strongly raised beneath so that the leaflet is often conspicuously rugose but this varies greatly; petiole 0.5–6(12) cm long; rhachis 1–15(20) mm long; petiolules 2–3 mm long; stipules reflexed, c. 8–15 × 5–7 mm, oblong, pubescent.
Morphology Reproductive morphology Inflorescences
Inflorescences terminal; rhachis 2–6(19) cm long; peduncle 2(6) cm long; pedicels 2–3 mm long; bracts large, soon deciduous, comose at the apex of the inflorescence, 8–20 × 4–14 mm, round to ovate, acuminate to cuspidate at the apex, appressed silvery pubescent.
Morphology Reproductive morphology Flowers Calyx
Calyx silvery to ferruginous, pubescent or pilose and with longer tubercular based yellowish hairs; tube 3–4 mm long; lobes 7–27 × 2–5 mm, lanceolate, the lowest usually the longest, the upper pair joined for ± half their length.
Morphology Reproductive morphology Flowers Corolla
Standard bright yellow veined with brownish-red, 1.5–2 × 1.2–1.4 cm, glabrous.
Morphology Reproductive morphology Fruits
Pods 17–20 × 7–8 mm, oblong, acuminate, densely clothed with yellow tubercular based bristly hairs and also some finer pubescence.
Morphology Reproductive morphology Seeds
Seeds dark blackish-red, 4 × 3 × 1.5 mm, reniform, compressed.
[FZ]

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
  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • 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/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/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