Fabaceae - Caesalpinioideae - Cassieae - Dialium L.
Description:
Unarmed trees or (rarely) large shrubs, not climbing
Leaves simply imparipinnate; leaflets 3-21, opposite to alternate; stipules small, usually caducous
Inflorescences of terminal and lateral many-flowered panicles; bracts and bracteoles small, soon deciduous
Flowers bisexual, irregular or sometimes regular, small
Calyx with short or obsolete tube and 5-7 imbricate lobes or segments
Petals (0)1-5, shorter than calyx
Stamens 2-3(5-10); anthers large, oblong or oblong-ovate
Disc sometimes present, wider than ovary
Ovary sessile or stalked, 2-ovuled, frequently tomentose; style with small, terminal stigma
Pod somewhat ovoid-orbicular, slightly compressed, indehiscent
Seeds 1 or 2, ± compressed
x = 14 (can also be 7)
Nomenclature:
Dialium L.
Linnaeus: 3 (1767)
Hutchinson: 231 (1964)
Brenan: 103 (1967)
Ross: 65 (1977)
Distribution & Notes:
Global: Species ± 35, mainly tropical Africa, spreading to Madagascar and Malay Peninsula
Southern Africa: Species 2, Namibia, Botswana and N KwaZulu-Natal
References:
BRENAN, J.P.M. 1967. Flora of tropical East Africa. Leguminosae (part 2). Caesalpinioideae
HUTCHINSON, J. 1964. Order LEGUMINALES. The genera of flowering plants 1. Oxford University Press, Oxford
LINNAEUS, C. 1767. Mantissa plantarum 1. Laurentius Salvius, Stockholm
ROSS, J.H. 1977. Fabaceae. Caesalpinioideae. Flora of southern Africa 16,2
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