1. Family: Fabaceae Lindl.
    1. Genus: Cassia L.
      1. Cassia angolensis Welw. ex Hiern

        This species is accepted, and its native range is Tanzania to S. Tropical Africa.

    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zanzibar-Inhambane regional transition zone; forest, Zambezian forest
    Habit
    Perennial, Not climbing, Tree
    [FTEA]

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

    Habit
    Tree 6–25 m. high, in most ways very similar to C. mannii.
    Branches
    Young branchlets puberulous to subglabrous.
    Leaves
    Leaves with petiole and rhachis eglandular, the latter up to 30 cm. long. Leaflets up to 13 pairs, emarginate at apex, glabrous or almost so, without pubescent margins, otherwise as in C. mannii.
    Inflorescences
    Racemes as in C. mannii except for being somewhat more pubescent and with bracts sometimes persistent till the flowers open.
    Corolla
    Petals golden-yellow, 2–3.0 cm. long, (1.1–, fide F.C.B.)1.5–2.0 cm. wide; flowers otherwise as in C. mannii.
    Fruits
    Pods up to 70 cm. long, similar to those of C. mannii.
    Seeds
    Seeds brown, ellipsoid to obovoid, compressed, 8–10 × 5–9 × 6 mm., transversely cracked.
    Habitat
    Lowland rain-forest; 820–1070 m.
    Distribution
    T3 T6 T8
    [FZ]

    Leguminosae, R.K. Brummitt, A.C. Chikuni, J.M. Lock and R.M. Polhill. Flora Zambesiaca 3:2. 2007

    Distribution
    Also in Angola, Tanzania and D.R. Congo.
    Ecology
    Forest, dense thicket on Kalahari sands;850–1500 m.
    Habit
    Tree to 20 m tall; bark smooth, grey.
    Branches
    Branchlets very dark brown to almost black, longitudinally furrowed, pubescent to sparsely pubescent, glabrescent.
    Leaves
    Leaves paripinnate; stipules not seen, very early caducous; petiole 1.6–2 cm long, sparsely pubescent; rachis 9–14(18) cm long,>i> sparsely pubescent; petiolules 1–3 mm long;>i> leaflets opposite to subopposite, in 7–9 pairs,>i> discolorous, 2.8–6.2 × 1.5–2.8 cm, ovate to ovate-elliptic,>i> symmetrical,>i> apex rounded or (usually) retuse, base rounded to broadly cuneate, glabrous;>i> venation slightly prominent on both surfaces.
    Inflorescences
    Inflorescences axillary and terminal, racemose; axis puberulous; bracts and bracteoles not seen, presumably early caducous; pedicels (2.5)5–8 cm long, longitudinally ridged when dry, sparsely pubescent.
    Calyx
    Calyx lobes 5, 12–15 × 5–8 mm, ovate to elliptic, sparsely puberulous near the base outside, glabrous inside.
    Corolla
    Petals yellow, 28–30 × 16–27 mm, broadly elliptic.
    Stamens
    Stamens 10; 3 with filaments c.40 mm long, glabrous, sigmoidally curved near the base, without a median swelling, anthers c.5 mm long; 4 with straight filaments 10–15 mm long, anthers 5 mm long; 3 with filaments 12–15 mm long, curved towards the apex, anthers 3 mm long.
    Pistil
    Ovary multiovulate, c.50 mm long and 2 mm in diameter, flattened-filiform, almost glabrous but very sparsely pubescent near the base; stigma terminal, recessed.
    Fruits
    Pod black, up to 70 cm long, 1.5–2 cm in diameter, terete, glabrous, many-seeded.
    Seeds
    Seeds buff, shiny, 8–9 × 5–6 × 4–5 mm, ellipsoidal, somewhat flattened, not embedded in pulp.

    Distribution

    Native to:

    Angola, Malawi, Mozambique, Tanzania, Zambia, Zaïre

    Cassia angolensis Welw. ex Hiern appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Welwitsch [1736], Angola K000232418
    Gossweiler, Johannes [1335], Angola K001276450
    Gossweiler, Johannes [1335], Angola K001276451

    First published in Cat. Afr. Pl. 1: 291 (1896)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Brummitt, R.K., Chikuni, A.C., Lock, J.M. & Polhill, R.M. (2007). 61. Leguminosae Subfamily Caesalpinioideae Flora Zambesiaca 3(2): 1-218. Royal Botanic Gardens, Kew.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Brummitt, R.K., Chikuni, A.C., Lock, J.M. & Polhill, R.M. (2007). 61. Leguminosae Subfamily Caesalpinioideae Flora Zambesiaca 3(2): 1-218. Royal Botanic Gardens, Kew.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Mendonça & Torre in Consp. Fl. Angol. 2: 176 (1956).
    • Steyaert in Flore du Congo Belge et du Ruanda-Urundi, 3: 503 (1952).
    • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 98 (1949).
    • Milne-Redh. in Hook., Ic. Pl., pp. 2–3 sub t. 3368 (1938), in obs.
    • Bak. f., Leguminosae of Tropical Africa: 631 (1930).
    • Hiern, Cat. Afr. Pl. Welw. 1: 291 (1896).
    International Legume Database and Information Service
    • Brenan, J. P. M. (1967). Caesalp. In: Flora Trop. East Africa. Milne-Redhead & Polhill
    • Watt, J. M. & Breyer-Brandwijk, M (1962). Medicinal & Poisonous Plants of Southern & Eastern Africa

    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.

    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