1. Family: Capparaceae Juss.
    1. Genus: Maerua Forssk.
      1. Maerua juncea Pax

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

    [FTEA]

    Capparidaceae, J. Elffers, R. A. Graham & G. P. Dewolf. Flora of Tropical East Africa. 1964

    Habit
    Scrambling, sometimes much branched, shrub up to 3 m. tall with brittle glabrous branches.
    Leaves
    Leaves petiolate, simple or 3-foliolate; blade lanceolate to broadly oblong-elliptic, 7–50 mm. long, 2–11 (–16) mm. wide, apically obtuse or somewhat acute, with the midrib excurrent, basally narrowed to rather rounded, glabrous, sometimes glaucous; petiole 3–10 mm. long.
    Inflorescences
    Inflorescence terminal, racemose, few-flowered or the flowers 1–4 in the upper leaf-axils; pedicels 7–13 mm. long, thickening with age.
    Calyx
    Sepals 11–15 mm. long, rather fleshy, glabrous outside, with a puberulent margin, sparsely lanate within; receptacle funnel-shaped, 3–4 mm. long.
    Corolla
    Petals suborbicular or elliptic, ± 6 mm. long.
    Stamens
    Stamens 27–38; filaments 13–25 mm. long, yellowish-white; anthers 2.2–3.5 mm. long.
    Ovary
    Ovary rather shortly cylindrical or subellipsoid, glabrous.
    Fruits
    Fruits ellipsoid, 2.5–3 cm. long, 1.5–2 cm. in diameter, apically rather rounded, verruculose, either almost smooth or rough, glabrous.
    [FZ]

    Capparidaceae, H. Wild. Flora Zambesiaca 1:1. 1960

    Habit
    Small shrub or climber up to 15 m. tall, glabrous except for the sepal margins and petiolules; young branches green and striate.
    Leaves
    Leaves simple or 3-foliolate; leaflets 1–4.5 x 0.4–2 cm., oblong-elliptic, elliptic or lanceolate, apex rounded or subacute, mucronate, broadly cuneate or rounded at the base, often rather glaucous, nerves in 5–7 pairs, not conspicuous; petiole up to 2 cm. long; petiolules up to 5 mm. long, minutely puberulous on the upper side.
    Inflorescences
    Inflorescence of 2–6-flowered lax racemes at the ends of the branches or solitary in the axils of the upper leaves; pedicels up to 4.5 cm. long; bracts trifid, setiform, caducous or like the leaves but usually simple and smaller.
    Receptacle
    Receptacle c. 5 mm. long and 4 mm. wide at the mouth with an undulate dentate disc at the mouth within, funnel-shaped.
    Calyx
    Sepals 0.9–1.6 x 0.4–0.8 cm., narrowly obovate-oblong to oblong-elliptic, rounded at the apex and shortly mucronate, margin densely puberulous.
    Corolla
    Petals white, 5–8 x 3.2–6.5 mm., broadly elliptic to orbicular or rotund, rounded at the apex or acute, shortly clawed at the base.
    Androgynophore
    Androgynophore the same length as the receptacle.
    Stamens
    Stamens 20–30, on filaments up to 2.5 cm. long; anthers 2.5 x 1 mm., oblong.
    Pistil
    Ovary on a gynophore up to 2.3 cm. long, oblong-cylindric; ovules c. 36 on 2 placentas; stigma sessile, capitate.
    Fruits
    Fruit up to 3 x 2.5 cm., ellipsoid, smooth or roughened.
    Seeds
    Seeds 10–20, up to 8 mm. in diam., subglobose, testa rugose.

    Distribution

    Native to:

    Botswana, Malawi, Mozambique, Namibia, Tanzania, Zambia, Zaïre, Zimbabwe

    Maerua juncea Pax appears in other Kew resources:

    First published in Bot. Jahrb. Syst. 14: 302 (1891)

    Accepted by

    • Mannheimer, C.A. & Curtis, B.A. (eds.) (2009). Le Roux and Müller's field guide to the trees and shrubs of Namibia, rev. ed.: 1-525. Macmillan Education Namibia, Windhoek.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Elffers, J., Graham, R.A. & Dewolf, G.P. (1964). Flora of Tropical East Africa, Capparidaceae: 1-88.
    • Exell, A.W. & Wild, H. (eds.) (1960). Flora Zambesiaca 1(1): 1-336. Royal Botanic Gardens, Kew.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    Literature

    Kew Backbone Distributions
    • Mannheimer, C.A. & Curtis, B.A. (eds.) (2009). Le Roux and Müller's field guide to the trees and shrubs of Namibia, rev. ed.: 1-525. Macmillan Education Namibia, Windhoek.
    • Exell, A.W. & Wild, H. (eds.) (1960). Flora Zambesiaca 1(1): 1-336. Royal Botanic Gardens, Kew.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.
    Flora of Tropical East Africa
    • F. White, Forest Flora of Northern Rhodesia p. 65 (1962).
    • Wild in Flora Zambesiaca 1: 218 (1960).
    • Hauman & Wilczek in Flore du Congo Belge et du Ruanda-Urundi, 2: 493 (1951).
    • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 116 (1949).
    • Gilg in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 187 (1895).
    • Pax in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 14: 302 (1891).

    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 2018. 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 2018. 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