1. Family: Fabaceae Lindl.
    1. Genus: Pterocarpus Jacq.
      1. Pterocarpus angolensis DC.

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

    [FZ]

    Flora Zambesiaca Leguminosae subfamily Papillionoideae byJ.M. Lock*

    Habit
    Deciduous tree up to 18 m tall; crown rounded or spreading; bark greyish-brown, subquadrangular-fissured, exuding reddish sap when slashed. Deciduous tree up to 18 m tall; crown rounded or spreading; bark greyish-brown, subquadrangular-fissured, exuding reddish sap when slashed.
    Indumentum
    Young parts greyish or brownish subsericeous. Young parts greyish or brownish subsericeous.
    Leaves
    Leaves 18–35 cm long; petiole 2.5–5 cm long, rachis 12–25 cm long, puberulous, glabrescent; petiolules 3–5 mm long; leaflets (4)5–8(9) on each side of the rachis, 3–7 × 2.5–4 cm, ovate to elliptic or subelliptic, obtuse to acuminate-acute at the apex, broadly obtuse or rounded or slightly cordate at the base, light green, glabrous on upper surface, paler appressed-pubescent and glabrescent beneath; lateral primary nerves in 12–18 pairs, secondary ones similar, rather close to each other; stipules 10–18 mm long, linear, caducous. Leaves 18–35 cm long; petiole 2.5–5 cm long, rachis 12–25 cm long, puberulous, glabrescent; petiolules 3–5 mm long; leaflets (4)5–8(9) on each side of the rachis, 3–7 × 2.5–4 cm, ovate to elliptic or subelliptic, obtuse to acuminate-acute at the apex, broadly obtuse or rounded or slightly cordate at the base, light green, glabrous on upper surface, paler appressed-pubescent and glabrescent beneath; lateral primary nerves in 12–18 pairs, secondary ones similar, rather close to each other; stipules 10–18 mm long, linear, caducous.
    Inflorescences
    Inflorescence of lateral racemes borne on new shoots before the leaves, rarely also axillary, fulvous-pubescent, glabrescent; bracts and bracteoles 4–7 mm long, narrowly lanceolate to linear, caducous. Inflorescence of lateral racemes borne on new shoots before the leaves, rarely also axillary, fulvous-pubescent, glabrescent; bracts and bracteoles 4–7 mm long, narrowly lanceolate to linear, caducous.
    Flowers
    Flowers 15–18 mm long; pedicels 8–18 mm long. Flowers 15–18 mm long; pedicels 8–18 mm long.
    Calyx
    Calyx 7–10 mm long, brownish subsericeous; upper teeth c.1.5 mm long, deltoid, others narrowly triangular, acute, 1.5–3.5 mm long. Calyx 7–10 mm long, brownish subsericeous; upper teeth c.1.5 mm long, deltoid, others narrowly triangular, acute, 1.5–3.5 mm long.
    Corolla
    Standard petal 11–15 mm in diameter, subcircular, emarginate, reflexed-patent, base narrowly decurrent into the c.3.5 mm long claw; wings 11–14 × 5.5–6 mm, broadly obovate, auriculate, claw 3.5–4.5 mm long; keel petals 10.5–12.5 × 3.5 mm, dorsally slightly overlapping and often apparently fused at the overlap, auricle obtuse, claw 5 mm long. Standard petal 11–15 mm in diameter, subcircular, emarginate, reflexed-patent, base narrowly decurrent into the c.3.5 mm long claw; wings 11–14 × 5.5–6 mm, broadly obovate, auriculate, claw 3.5–4.5 mm long; keel petals 10.5–12.5 × 3.5 mm, dorsally slightly overlapping and often apparently fused at the overlap, auricle obtuse, claw 5 mm long.
    Stamens
    Stamens 10, fused, the tube split to the base on the upper side and variously split on the opposite side to give two groups of 5 stamens, with the upper stamen fused or not with the rest. Stamens 10, fused, the tube split to the base on the upper side and variously split on the opposite side to give two groups of 5 stamens, with the upper stamen fused or not with the rest.
    Ovary
    Ovary 3–4-ovulate, septate between the ovules, stipitate, densely appressed-pilose; style 4–5 mm long, glabrous towards the tip, stigma small.
    Fruits
    Pod 1(2)-seeded, circular or subcircular, 6.5–13 cm in diameter, wing thin and stiff, undulate, usually asymmetric at the base, densely setose in centre; style-remains bent down to stipe level or overlapping the stipe; pods sometimes replaced by subspherical bristly galls 10–15 mm in diameter. Pod 1(2)-seeded, circular or subcircular, 6.5–13 cm in diameter, wing thin and stiff, undulate, usually asymmetric at the base, densely setose in centre; style-remains bent down to stipe level or overlapping the stipe; pods sometimes replaced by subspherical bristly galls 10–15 mm in diameter.
    Germination
    Seedling (from Fanshawe 1009 (K)): germination epigeal, hypocotyl short; cotyledons 2.5–3.5 × 1.4–1.8 cm. First true leaves simple; stipules 4–5 mm long, puberulous; petiole 8–12 mm long, puberulous; lamina 1.5–3.5 × 1–3.5 cm, elliptic or circular, puberulous on the margin, otherwise glabrous, lateral nerves and reticulation visible on both surfaces.
    Distribution
    Also in Tanzania, Congo, Angola, Namibia, South Africa (Mpumalanga and KwaZulu-Natal Provinces) and Swaziland.
    Ecology
    Widespread in miombo and other deciduous woodlands, often co-dominant, and in wooded grassland, on sandy soils and granite outcrops; 0–1600 m.
    Conservation
    Conservation notes: A widespread taxon, sometimes exploited for timber but no evidence of scarcity or decline. Lower Risk, Least Concern.
    Pistil
    Ovary 3–4-ovulate, septate between the ovules, stipitate, densely appressed-pilose; style 4–5 mm long, glabrous towards the tip, stigma small.
    Seeds
    Seeds oblong-subreniform. Seeds oblong-subreniform.
    Seedling
    Seedling (from Fanshawe 1009 (K)): germination epigeal, hypocotyl short; cotyledons 2.5–3.5 × 1.4–1.8 cm. First true leaves simple; stipules 4–5 mm long, puberulous; petiole 8–12 mm long, puberulous; lamina 1.5–3.5 × 1–3.5 cm, elliptic or circular, puberulous on the margin, otherwise glabrous, lateral nerves and reticulation visible on both surfaces.
    [FTEA]

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

    Habit
    Deciduous tree, 5–20(–30) m. tall, with an open spreading crown, rarely (and not in East Africa) a shrub 3–4 m. tall; bark reticulately fissured, rough, greyish-brown to dark grey; slash exuding red sap.
    Branches
    Branchlets brownish or silvery-grey pubescent to floccose-tomentose, tardily glabrescent.
    Leaves
    Leaves up to 22–35(–45) cm. long; stipules linear-lanceolate to oblong-elliptic, attenuate, (0.6–)1–2 cm. long, caducous; lateral leaflets (5–)6–9 on either side, broadly lanceolate to elliptic, elliptic-oblong or elliptic-obovate, up to 5–10 cm. long and 3.5–5.5 cm. wide, narrowed to the variously developed but generally short mucronate acumen, rounded to slightly cordate at base, usually hairy on both surfaces but generally soon glabrescent above and sometimes beneath as well, with ± 10–14 fine fairly closely spaced primary lateral nerves and a similar number of well-developed secondary lateral nerves giving a striate appearance; reticulate venation prominulous on both surfaces.
    Inflorescences
    Racemes, or (fide F.C.B.) rarely sparsely branched panicles, precocious or in the axils of young leaves, 6–12 cm. long; axes densely hairy; bracts lanceolate to elliptic-oblong, 5–8 mm. long, caducous; bracteoles near top of the 8–15 mm. long pedicel, linear to linear-lanceolate, 3–8 mm. long, caducous.
    Calyx
    Calyx 8–10 mm. long, densely appressed pubescent to tomentose outside but practically glabrous on the lobes inside.
    Corolla
    Corolla golden-yellow to orange, 16–20 mm. long; blade of standard suborbicular to oblate with the sides soon folded back in open flowers, marginally crimped; wings broad, exceeding the keel and nearly as long as the standard.
    Fruits
    Fruit suborbicular, (8–)10–15 cm. long, with a 1–2.5 cm. long stipe and a broad undulate wing bearing the style basally or basi-laterally, pubescent, also with a mass of long rigid plumose bristles over the central thickened seed-bearing part and smaller ones peripherally, inconspicuously venose.
    Figures
    Fig. 17, p. 90.
    Habitat
    Brachystegia and other deciduous woodland, wooded grassland, not infrequently left in areas cleared for cultivation; 300–1650 m.
    Distribution
    widespread in southern Africa from Tanganyika and the southern Congo to Angola, South West Africa, the Transvaal and Swaziland T1 T2 T3 T4 T5 T6 T7 T8
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zambezian woodland
    Habit
    Perennial, Not climbing, Shrub/Tree
    Vernacular
    African Teak, Muninga, Transvaal Teak

    Images

    Distribution

    Native to:

    Angola, Botswana, Caprivi Strip, Congo, KwaZulu-Natal, Malawi, Mozambique, Namibia, Northern Provinces, Swaziland, Tanzania, Zambia, Zaïre, Zimbabwe

    Pterocarpus angolensis DC. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1969 Gossweiler, J. [1387], Angola K001294226
    Jan 1, 1969 Gossweiler, J. [1372], Angola K001294227
    Jan 1, 1965 Busse, W. [144], Tanzania K000379360
    Jan 1, 1960 Gossweiler, J. [13733], Angola K000508676
    Brenan, J.P.M. [7981], Zambia 764.000
    Milne-Redhead, E. [4559], Zambia K000210520
    Brass, L.J. [17976], Malawi K000210507
    Brass, L.J. [17879], Malawi K000210509
    Brummitt, R.K. [8494], Malawi K000210508
    Chapman, J.D. [8852], Malawi K000210506
    Tawakali, E.J. [1160], Malawi K000210513
    Welwitsch [1863], Angola K000379346
    Welwitsch [1864], Angola K000379347
    Richards, H.M. [1389], Zambia K000210519
    van Rensburg, H.J. [2745], Zambia K000210521
    de Lemos, F. [53], Mozambique K000210515
    Purves, J.M. [210], Malawi K000210510
    Pawek, J. [5853], Malawi K000210511
    Pope, G. [858], Botswana K000282915
    Baines, T. [s.n.] K000379345
    Groenendijk, E.M.C. [2103], Mozambique K000210518
    Smith, P.A. [1956], Botswana K000282914
    Grandvaux Barbosa, L.A. [4537], Mozambique K000210516
    Grandvaux Barbosa, L.A. [4383], Mozambique K000210514
    Harris, T. [65], Mozambique K000545057
    D.B.F. [1510], Zambia K000210522
    Collinson, R. [s.n.], Malawi K000210512
    Mendouça, F.A. [319], Mozambique K000210517
    Donnelly, P.H. [217 714], Zimbabwe K000210523

    First published in Prodr. 2: 419 (1825)

    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.
    • Timberlake, J.R., Bayliss, J., Alves, T., Francisco, J., Harris, T., Nangoma, D. & de Sousa, C. (2009). Biodiversity and Conservation of Mchese Mountain, Malawi. Report produced under the Darwin Initiative Award 15/036: 1-71. Royal Botanic Gardens, Kew.
    • 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.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

    Literature

    Flora Zambesiaca
    • —M. Coates Palgrave, Trees Sthn. Africa: 389 (2002).
    • —Palmer & Pitman, Trees Sthn. Africa: 937–941 (1972).
    • —Polhill in F.T.E.A., Legum., Pap.: 89, fig.17 (1971).
    • —Schreiber in Merxmüller, Prodr. Fl. SW Afrika, fam. 60: 97 (1970).
    • —Sousa in C.F.A. 3: 357 (1966).
    • —White, F.F.N.R.: 162 (1962).
    • —Barbosa & Torre in Garcia de Orta 5: 126 (1957).
    • —Hauman in F.C.B. 6: 25 (1954).
    • —Miller in J. S. Afr. Bot. 18: 35 (1952).
    • —Pardy in Rhod. Agric. J. 48: 322 (1951).
    • —Gomes e Sousa, Dendrol. Moçamb. 1: 201 (1950).
    • —Mendonça & Torre in Mem. Junta Invest. Ultramar, sér.Bot. 1: 29 (1950).
    • —Baker f., Legum. Trop. Africa: 544 (1929).
    • —Gibbs in J. Linn. Soc., Bot. 37: 426 (1906).
    • Prodr. 2: 419 (1825).
    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.
    • Timberlake, J.R., Bayliss, J., Alves, T., Francisco, J., Harris, T., Nangoma, D. & de Sousa, C. (2009). Biodiversity and Conservation of Mchese Mountain, Malawi. Report produced under the Darwin Initiative Award 15/036: 1-71. Royal Botanic Gardens, Kew.
    • 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.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Rojo in Phanerogam. Monogr. 6: 30 (1971).
    • Boaler, M.O.D. Overseas Res. Publ. 12 (1966).
    • E. P. Sousa in Consp. Fl. Angol. 3: 357 (1966).
    • F. White, Forest Flora of Northern Rhodesia p. 162 (1962).
    • Coates Palgrave, Trees of Centr. Afr.: 329, t. and photo. (1957).
    • Hauman in Flore du Congo Belge et du Ruanda-Urundi, 6: 25 (1954).
    • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 436 (1949).
    • Bak. f., Leguminosae of Tropical Africa: 544 (1929).
    • Harms in A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3 (1): 637 (1915).
    • DC., Prodr. 2: 419 (1825).
    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
    • Watt, J. M. & Breyer-Brandwijk, M (1962). Medicinal & Poisonous Plants of Southern & Eastern Africa
    • Robyns, W. (Ed.) (1954). Flore du Congo Belge Vol. 6. Dalbergieae, Vicieae, Phaseoleae
    • Robyns, W. (Ed.) (1954). Flore du Congo Belge Vol. 6. Dalbergieae, Vicieae, Phaseoleae.

    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