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  1. Family: Vitaceae Juss.
    1. Genus: Cissus L.
      1. Cissus nigropilosa Dewit

        This species is accepted, and its native range is W. Tanzania to Zambia.

    [FTEA]

    Vitaceae, Bernard Verdcourt. Flora of Tropical East Africa. 1993

    Habit
    Erect perennial herb or climber 0.5–2.1 m. tall or long; stems striate, pubescent with short curved yellowish hairs admixed with black medifixed hairs, later glabrescent, without tendrils or rarely with short unbranched or bifid slender tendrils.
    Leaves
    Leaves digitately 5-foliolate; leaflets linear to oblanceolate, 1.5–11 cm. long, 0.3–1.2 cm. wide, acute to shortly acuminate at the apex, narrowly cuneate at the base, ciliate-dentate especially towards the apex, pubescent with white hairs above, together with a few scattered deciduous black medifixed hairs, beneath densely covered with black medifixed hairs especially when young and with stiff curved white hairs on the main nerves; petiole 1.5–6.5 cm. long, with similar indumentum to the stems; stipules triangular, 2–4 mm. long and wide, ciliate, glabrous above, pubescent with simple white and black medifixed hairs.
    Flowers
    Flowers in slender leaf-opposed cymes; peduncle 2–5.5 cm. long with hairs similar to stems; pedicels 1.5–2.5 mm. long, lengthening to 6 mm. in fruit, densely covered with black medifixed hairs; bracts and bracteoles triangular, ± 1 mm. long, ciliate and with few simple white hairs and black medifixed hairs.
    Calyx
    Calyx 0.25 mm. long, pubescent and with medifixed hairs.
    Corolla
    Petals brown and green, narrowly ovate, 1.5 mm. long, 1 mm. wide, similarly pubescent.
    Pistil
    Ovary glabrous; style 1 mm. long; stigma slightly notched.
    Fruits
    Fruit dark purple-black, ovoid, 8 mm. long, 6 mm. wide, 1-seeded.
    Seeds
    Seed ovoid, 6 mm. long, 4 mm. wide.
    Figures
    Figs. 6/2, p.31; 7, p.34.
    Habitat
    Brachystegia woodland on stony ground; 1200–1500 m.
    Distribution
    T4
    [FZ]

    Vitaceae, H. Wild and R. B. Drummond. Flora Zambesiaca 2:2. 1966

    Habit
    Erect herb to c. 1 m. tall; stem cylindric, striate, pubescent, with short curved hairs interspersed with black medifixed hairs; tendrils absent.
    Leaves
    Leaves digitately 5-foliolate; petiole up to 6·5 cm. long, with indumentum as on stems; leaflet-lamina 5–11 × 0·5–1 cm., linear to occasionally oblanceolate, apex acute to slightly acuminate, margin ciliate-dentate especially towards apex, base narrowly cuneate, upper surface pubescent with white hairs and a few scattered caducous black medifixed hairs, under surface densely covered with black medifixed hairs especially when young and principal nerves with stiff curved white hairs; stipules 2–4 × 2–4 mm., triangular, ciliate, upper surface glabrous, lower surface with simple white hairs and black medifixed hairs.
    Inflorescences
    Cymes leaf-opposed; peduncle up to 5·5 cm. long, with indumentum as on stems; pedicels 1·5–2·5 mm. long lengthening to 6 mm. in fruit, densely covered with black medifixed hairs; bracts and bracteoles c. 1 mm. long, triangular, ciliate and with a few simple white hairs and black medifixed hairs.
    Buds
    Flower-bud up to 1·5 mm. long, pubescent and with black medifixed hairs.
    Calyx
    Calyx 0·25 mm. long, pubescent and with black medifixed hairs.
    Pistil
    Ovary glabrous; style 1 mm. long; stigma slightly notched.
    Fruits
    Fruit dark purple-black, 8 × 6 mm., ovoid.
    Seeds
    Seed c. 6 × 4 mm., ovoid.

    Distribution

    Native to:

    Malawi, Tanzania, Zambia, Zaïre

    Other Data

    Cissus nigropilosa Dewit appears in other Kew resources:

    Bibliography

    First published in Bull. Jard. Bot. État Bruxelles 29: 296 (1959)

    Accepted by

    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Verdcourt, B. (1993). Flora of Tropical East Africa, Vitaceae: 1-149.
    • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1966). Flora Zambesiaca 2(2): 353-653. Royal Botanic Gardens, Kew.

    Literature

    Flora of Tropical East Africa

    • Wild & Drummond in Flora Zambesiaca 2: 458 (1966).
    • Dewit in Flore du Congo Belge et du Ruanda-Urundi, 9: 546 (1960).
    • Dewit in Bulletin du Jardin Botanique de l'État a Bruxelles 29: 296 (1959)

    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

    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