1. Family: Fabaceae Lindl.
    1. Genus: Rhynchosia Lour.
      1. Rhynchosia luteola (Hiern) K.Schum.

        This species is accepted, and is native to Africa..

    [FZ]

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

    Habit
    Usually robust sticky climber, often forming a dense tangle several metres long, or erect subshrub 0.3–1 m tall.
    Stem
    Stems slender to thick and woody, covered with long sticky yellow bristly often tubercular based hairs and also shorter pubescence and small glands.
    Leaflets
    Leaflets 3, sometimes pale beneath, 1.9–14.5 × 1.5–13.6 cm, ovate to oblate-rhombic, the laterals usually oblique, acute to acuminate, rounded, truncate or slightly subcordate at the base, pubescent to velvety on both surfaces, densely covered with yellow or red gland dots beneath; petiole 1.5–14 cm long; rhachis 0.5–3 cm long; petiolules 1.5–5 mm long; stipules brown and scarious, 7–18 × 3.5–9 mm, ovate or triangular, veined, pubescent to bristly and often gland-dotted.
    Inflorescences
    Inflorescences axillary; rhachis 7–23 cm long; peduncle 2–14 cm long; pedicels 1–4 mm long; bracts deciduous, 7–15 × 3–5.5 mm, ovate to lanceolate, usually aristate, pubescent or pilose.
    Calyx
    Calyx pubescent and usually with long tubercular based glandular yellow hairs; tube 3.5–5 mm long; lobes 3.5–9 mm long, lanceolate or triangular, the lowest usually the longest, the upper pair joined for ± one half to two-thirds of their length.
    Corolla
    Standard cream-coloured to orange with deep red or brown veining outside and often a central purplish mark inside, 14–25 × 8–15 mm, elliptic or obovate, densely covered with long appressed glandular hairs mixed with finer pubescence; wings yellow; keel pale yellow or white tinged green or flowers entirely purplish.
    Fruits
    Pods 3–4 × 0.9–1.3 cm, elliptic-oblong to oblong-oblanceolate, aristate, sometimes considerably inflated, mostly narrowed to the base, usually constricted between the seeds, puberulous or velvety to densely long-hairy, rarely glabrescent.
    Seeds
    Seeds dark blackish- or reddish-brown, 4.5–6 × 3.5–5 × 2–3.5 mm, oblong- or rounded-reniform.
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zambezian woodland, Zambezian bushland and thicket, Zambezian grassland
    Habit
    Perennial, Climbing/Not climbing, Herb/Shrub
    [FTEA]

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

    Habit
    Usually robust sticky climber, often forming a dense tangle several metres long, or erect subshrub 0·3–1 m. tall.
    Stem
    Stems slender to thick and woody, covered with long sticky yellow bristly often tubercular-based hairs and also shorter pubescence and small glands.
    Leaves
    Leaflets 3, sometimes pale beneath, ovate to oblate-rhomboid, the laterals usually oblique, 1·9–14·5 cm. long, 1·5–13·6 cm. wide, acute to acuminate, rounded, truncate or slightly sub-cordate at the base, pubescent to velvety on both surfaces, densely covered with yellow or red gland-dots beneath; petiole 1·5–14 cm. long; rhachis 0·5–3 cm. long; petiolules 1·5–5 mm. long; stipules brown and scarious, ovate or triangular, 0·7–1·8 cm. long, 3·5–9 mm. wide, veined, pubescent to bristly and often gland-dotted.
    Inflorescences
    Inflorescences axillary; rhachis 7–23 cm. long; peduncle 2–14 cm. long; pedicels 1–4 mm. long; bracts deciduous, ovate to lanceolate, 0·7–1·5 cm. long, 3–5·5 mm. wide, usually aristate, pubescent or pilose.
    Calyx
    Calyx pubescent and usually with long tubercular-based glandular yellow hairs; tube 3·5–5 mm. long; lobes lanceolate or triangular, 3·5–9 mm. long, the lowest usually the longest, the upper pair joined for ± one half to two-thirds of their length.
    Corolla
    Standard cream to orange with deep red or brown veining outside and often a central purplish mark inside, elliptic or obovate, 1·4–2·5 cm. long, 0·8–1·5 cm. wide, densely covered with long adpressed glandular hairs mixed with finer pubescence; wings yellow; keel pale yellow or white tinged green or flowers entirely purplish.
    Fruits
    Pods elliptic-oblong to oblong-oblanceolate, 3–4 cm. long, 0·9–1·3 cm. wide, aristate, sometimes considerably inflated, mostly narrowed to the base, usually constricted between the seeds, puberulous or velvety to densely long-hairy, rarely glabrescent.
    Seeds
    Seeds dark blackish- or reddish-brown, oblong- or rounded-reniform, longest dimension 4·5–6 mm., shorter dimension 3·5–5 mm., 2–3·5 mm. thick.
    Distribution
    As for var. luteola

    Images

    Distribution

    Native to:

    Angola, Burundi, Cape Verde, Malawi, Mozambique, Nigeria, Rwanda, Tanzania, Zambia, Zaïre, Zimbabwe

    Rhynchosia luteola (Hiern) K.Schum. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    May 1, 1963 Baum, H. [1003a], Angola K000263746
    Oct 12, 1948 Welwitsch [4879], Angola K000263747 Unknown type material
    Milne-Redhead, E. [10146], Tanzania 767.000

    First published in Just's Bot. Jahresber. 27(1): 496 (1901)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.
    • Hansen, A. & Sunding, P. (1993). Flora of Macaronesia. Checklist of vascular plants. 4. revised edition Sommerfeltia 17: 1-295.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.
    • Troupin, G. (ed.) (1983). Flora du Rwanda 2: 1-603. Musee Royal de l'Afrique Centrale.

    Literature

    Kew Backbone Distributions
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.
    • Hansen, A. & Sunding, P. (1993). Flora of Macaronesia. Checklist of vascular plants. 4. revised edition Sommerfeltia 17: 1-295.
    • Troupin, G. (ed.) (1983). Flora du Rwanda 2: 1-603. Musee Royal de l'Afrique Centrale.
    Flora of Tropical East Africa
    • Torre in Consp. Fl. Angol. 3: 316 (1966).
    • Hauman in Flore du Congo Belge et du Ruanda-Urundi, 6: 158 (1954).
    • Bak. f., Leguminosae of Tropical Africa: 479 (1929).
    • K. Schum. in Just's Jahrb. 27 (1): 496 (1901).
    International Legume Database and Information Service
    • Gillett, J. B. et al. (1971). Papilionoideae. In: Fl. Trop. E. Africa, Milne-Redhead & Polhill

    Sources

    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
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    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 Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0