1. Family: Fabaceae Lindl.
    1. Genus: Pterocarpus Jacq.
      1. Pterocarpus rotundifolius (Sond.) Druce

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

    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zambezian woodland
    Habit
    Perennial, Not climbing, Shrub/Tree
    [FZ]

    Flora Zambesiaca Leguminosae subfamily Papillionoideae byJ.M. Lock*

    Indumentum
    Young parts greyish-sericeous or fulvous-pubescent; branchlets pubescent-glabrescent or glabrous; bark grey or reddish, smooth. Young parts greyish-sericeous or fulvous-pubescent; branchlets pubescent-glabrescent or glabrous; bark grey or reddish, smooth.
    Leaves
    Leaves 12–35 cm long; petiole 3–7 cm long, rachis 6–15 cm long, pubescent or glabrous; petiolules 2–20 mm long, puberulous or glabrous; leaflets 3–19(21), alternate, opposite or subopposite, 2–10 × 2–7 cm, circular to elliptic or ovate, occasionally obovate or oblong-subelliptic, rounded or broadly retuse or shortly and bluntly acuminate to acuminate-acute at the apex, rounded or obtuse at the base, coriaceous or thin and stiff, glabrous on upper surface, paler and appressed-pubescent beneath; lateral nerves in 6–14 pairs; stipules 4–8 mm long, caducous. Leaves 12–35 cm long; petiole 3–7 cm long, rachis 6–15 cm long, pubescent or glabrous; petiolules 2–20 mm long, puberulous or glabrous; leaflets 3–19(21), alternate, opposite or subopposite, 2–10 × 2–7 cm, circular to elliptic or ovate, occasionally obovate or oblong-subelliptic, rounded or broadly retuse or shortly and bluntly acuminate to acuminate-acute at the apex, rounded or obtuse at the base, coriaceous or thin and stiff, glabrous on upper surface, paler and appressed-pubescent beneath; lateral nerves in 6–14 pairs; stipules 4–8 mm long, caducous.
    Inflorescences
    Inflorescence a terminal (rarely also axillary) panicle up to 30 cm long, appressed-pubescent or glabrous; bracts and bracteoles caducous. Inflorescence a terminal (rarely also axillary) panicle up to 30 cm long, appressed-pubescent or glabrous; bracts and bracteoles caducous.
    Flowers
    Flowers 14–17 mm long; pedicels 2–14(18) mm long, puberulous or glabrous. Flowers 14–17 mm long; pedicels 2–14(18) mm long, puberulous or glabrous.
    Calyx
    Calyx 5–7 mm long, pubescent inside the teeth, otherwise glabrous or puberulous; upper teeth shallow, rounded, the lateral ones obtuse, the lower one c.2.5 mm long, acute. Calyx 5–7 mm long, pubescent inside the teeth, otherwise glabrous or puberulous; upper teeth shallow, rounded, the lateral ones obtuse, the lower one c.2.5 mm long, acute.
    Corolla
    Standard 13–15 mm in diameter, circular, claw c.4 mm long; wings as long as the standard, auricle obtuse, claw 4–5 mm long; keel petals shorter than the wings, arcuate, claw 4.5 mm long. Standard 13–15 mm in diameter, circular, claw c.4 mm long; wings as long as the standard, auricle obtuse, claw 4–5 mm long; keel petals shorter than the wings, arcuate, claw 4.5 mm long.
    Stamens
    Stamens 10, all fused. Stamens 10, all fused.
    Ovary
    Ovary 3–4-ovulate, glabrous, or sparsely pilose on the margins, or densely pubescent; stipe c.4 mm long, appressed-pubescent. Ovary 3–4-ovulate, glabrous, or sparsely pilose on the margins, or densely pubescent; stipe c.4 mm long, appressed-pubescent.
    Fruits
    Pod 1–2-seeded, 3–6 cm long, obovate to broadly elliptic or oblong, somewhat incurved, rounded and raised-nerved in centre; style remains at the apex or nearly so. Pod 1–2-seeded, 3–6 cm long, obovate to broadly elliptic or oblong, somewhat incurved, rounded and raised-nerved in centre; style remains at the apex or nearly so.
    Seeds
    Seeds 6–7 × 3–4 × 2.5 mm; testa dark brown, smooth. Seeds 6–7 × 3–4 × 2.5 mm; testa dark brown, smooth.
    Habit
    Deciduous tree up to 18 m tall; crown rounded; bark grey or brown, flaking off in scales. Deciduous tree up to 18 m tall; crown rounded; bark grey or brown, flaking off in scales.
    [FTEA]

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

    Habit
    Tree, 3–20 m. tall, or at limits of range in southern Africa a several-stemmed shrub, with irregular rounded crown, ± deciduous; bark scaling or reticulately fissured, light grey or brown; slash exuding red gum.
    Branches
    Branchlets pubescent to tomentellous, glabrescent.
    Leaves
    Leaves (11–)17–40 cm. long; stipules linear, up to 1–1.5 cm. long, fugaceous; lateral leaflets 1–9 on either side, subopposite to markedly alternate, ovate or oblong-ovate to variously elliptic or suborbicular, up to 6–11 cm. long and 3–7 cm. wide, shortly and bluntly acuminate to rounded and emarginate at apex, cuneate to rounded at base, with short fine appressed or spreading indumentum variously developed beneath, rarely glabrous; primary lateral nerves curved-ascending, 10–14on either side; venation prominulous or fine and flat.
    Flowers
    Flowers produced in profusion in mostly terminal laxly branched spreading panicles up to 12–40 cm. long; bracts linear-lanceolate, 1–2 mm. long, fugaceous; bracteoles at top of 3–10 mm. long pedicels similar.
    Calyx
    Calyx 6–7 mm. long, glabrous outside in East Africa (sometimes pubescent further south), with pubescence on the lobes inside; lobes up to half as long as the tube.
    Corolla
    Corolla 12–18 mm. long, yellow or orange-yellow, fragrant; standard with a broadly obovate or suborbicular blade, reflexed, marginally crimped; wings broadly expanded, enveloping the keel.
    Fruits
    Fruit shortly stipitate, elliptic-oblong, rounded rather more on the lower side, or ± semi-orbicular, the wing relatively narrow, coriaceous, and scarcely produced to the subterminal style-base, 4–6.5 cm. long, 2.5–3.5(–4) cm. wide, glabrous or (outside East Africa) pubescent, radially venose.
    Distribution
    T6 T8 south to the Transvaal and westwards to the Congo and Angola

    Images

    Distribution

    Native to:

    Angola, Botswana, Caprivi Strip, KwaZulu-Natal, Malawi, Mozambique, Namibia, Northern Provinces, Swaziland, Zimbabwe

    Pterocarpus rotundifolius (Sond.) Druce appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Welwitsch [1865], Angola K000379352 isotype
    Burke [351], South Africa K000379337 Unknown type material
    Burke [s.n.], South Africa K000379338 Unknown type material

    First published in Rep. Bot. Soc. Exch. Club Brit. Isles 1916: 642 (1917)

    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.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Brummitt, R.K. & al. (2007). Flora Zambesiaca 3(3): 1-258. Royal Botanic Gardens, Kew.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.

    Literature

    Flora Zambesiaca
    • —Palmer & Pitman, Trees Sthn. Africa: 941–945 (1972).
    • —Polhill in F.T.E.A., Legum., Pap.: 84 (1971).
    • —Sousa in C.F.A. 3: 360 (1966).
    • —White, F.F.N.R.: 162 (1962).
    • —Williamson, Useful Pl. Nyasaland: 102 (1955).
    • —Miller in J. S. Afr. Bot. 18: 36 (1952).
    • —Pardy in Rhod. Agric. J. 49: 215 (1952).
    • —Burtt Davy & Hoyle, Check-list For. Trees Shrubs, Nyasaland: 61 (1936).
    • in Bot. Soc. Exch. Club Brit. Isles 4: 642 (1917).
    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.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Brummitt, R.K. & al. (2007). Flora Zambesiaca 3(3): 1-258. Royal Botanic Gardens, Kew.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    Flora of Tropical East Africa
    • Rojo in Phanerogam. Monogr. 6: 79 (1971).
    • Mendonça & E. P. Sousa in Bol. Soc. Brot., sér. 2, 42: 267 (1968).
    • E. P. Sousa in Consp. Fl. Angol. 3: 360 (1966).
    • F. White, Forest Flora of Northern Rhodesia p. 162 (1962).
    • Coates Palgrave, Trees Centr. Afr.: 334–337, t. and photo. (1957).
    • Pardy in Rhodes. Agric. Journ. 49: 215, photos. (1952).
    • E. P. Phillips in Fl. Pl. S. Afr. 16, t. 622 (1936).
    • Druce in Rep. Bot. Exch. CI. Brit. Isles 1916: 642 (1917).
    International Legume Database and Information Service
    • Palmer, E. & Pitman, N. (1977). Trees of Southern Africa, Vol. 2
    • 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