1. Family: Fabaceae Lindl.
    1. Genus: Dolichos L.
      1. Dolichos bianoensis R.Wilczek

        This species is accepted, and its native range is DR Congo.

    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zambezian grassland
    Habit
    Perennial, Not climbing, Herb
    [FTEA]

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

    Habit
    Perennial prostrate herb 13–50 cm. long from a large tuber.
    Stem
    Stems somewhat zigzag, compressed, densely pilose with silky white hairs, sometimes flowering when the leaves are scarcely developed.
    Leaves
    Leaves unifoliolate; leaflet narrowly elliptic-lanceolate, 4–23 cm. long, 1·5–5 cm. wide, acuminate or bluntly acute and mucronulate at the apex, narrowly rounded at the base, pubescent on both surfaces, 3–5-nerved from base to apex, the tertiary venation quite evident; petiole 3–5 mm. long; stipules persistent, sometimes reflexed, lanceolate, 1·2–3 cm. long, 3–5 mm. wide or up to 7 mm. where stipules have remained joined on new shoots, pubescent outside, veined.
    Flowers
    Flowers 1–10 in axillary fascicles; peduncle obsolete; pedicels 3–10 cm. long, mostly densely pilose; bracteoles minute, linear, placed on the pedicel well below the calyx or wanting.
    Calyx
    Calyx pubescent with spreading white hairs; tube 4–5 mm. long; 3 lower lobes linear-triangular, 2–10 mm. long, the lowest much the longest, the upper pair joined to form a narrowly triangular lobe, bifid at the tip.
    Corolla
    Standard mauve, sometimes tinged greenish outside, almost round, 1·4–2 cm. long, 1·2–2 cm. wide; keel pale.
    Fruits
    Very immature pods densely white hairy all over.
    Distribution
    As above with addition of Congo
    [FZ]

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

    Habit
    Prostrate herb to 50 cm long, arising from a perennial tuberous rootstock, sometimes flowering when leaves are under-developed.
    Stem
    Stems annual, somewhat zigzag, flattened, white pilose.
    Leaves
    Leaves 1-foliolate; leaflet 4–23 × 0.5–5 cm, narrowly lanceolate or lanceolate, acuminate or bluntly acute and mucronulate at the apex, narrowly rounded at the base, pubescent on both surfaces, 3–5-veined from base to apex; petiole 3–5 mm long; stipules 12–30 × 2–5 mm (sometimes appearing wider when pair remain fused on new shoots), lanceolate, pubescent, striate, persistent, sometimes reflexed.
    Flowers
    Flowers axillary, solitary, in pairs or in 3–8-flowered fascicles; pedicels 18–90 mm long; pilose; bracts absent; bracteoles minute, caducous, placed on the pedicel well below the calyx.
    Calyx
    Calyx pubescent with spreading white hairs; tube 3–5 mm long; lower lobes 2–10 mm long, linear-triangular, central lobe twice as long as the laterals, upper pair completely fused.
    Corolla
    Standard purple, sometimes tinged greenish outside, 13–20 × 12–20 mm, almost round, emarginate; wings and keel pale.
    Pistil
    Ovary 6–9 mm long, linear-oblong, compressed, pubescent; style 5–9 mm long; stigma minute, terminal, capitate, penicillate.
    Fruits
    Very immature pods (Richards 15881, Tanzania) are densely white pubescent.
    Note
    Only one collection seen from the Flora Zambesiaca area; description also based on material from Dem. Rep. Congo and Tanzania.

    Distribution

    Dolichos bianoensis R.Wilczek appears in other Kew resources:

    First published in Bull. Jard. Bot. État Bruxelles 24: 416 (1954)

    Accepted by

    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.
    • Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Mackinder, B., Pasquet, R., Polhill, R. & Verdcourt, B. (2001). Flora Zambesiaca 3(5): 1-261. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Wilczek in Bulletin du Jardin Botanique de l'État a Bruxelles 24: 416 (1954)
    • Wilczek in Flore du Congo Belge et du Ruanda-Urundi, 6: 297 (1954).
    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

    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 2020. 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 2020. 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