Trees or scandent shrubs, armed with recurved prickles on stems and leaves
Leaves
bipinnate; leaflets opposite, many, small; stipules small or obsolete
Inflorescences
of terminal and axillary, often paniculately aggregated, racemes; bracts small, soon deciduous
Flowers
bisexual, irregular
Calyx
with shallow, basin-shaped tube and 5 imbricate lobes longer than tube
Petals
5, imbricate, sometimes slightly unequal
Stamens
10, sometimes unequal, longer than petals, usually villous at base; anthers ± quadrate
Ovary
free, very shortly stipitate, 1-ovuled; style short or elongated and clavate, with truncate or concave, terminal stigma
Pod
red, sessile, compressed and samaroid, indehiscent, seed-bearing base obliquely ovate or elliptic, upper part produced into an oblique-oblong or falcate, membranous wing
Seeds
pendulous, compressed, without endosperm
Nomenclature:
Pterolobium
R.Br. ex Wight & Arn.
Wight & Arnott: 283 (1834) name conserved
Salt: 64 (1814) name only
Hutchinson: 261 (1964)
Brenan: 40 (1967)
Ross: 114 (1977)
Distribution & Notes:
Global
: Species ± 10, cosmopolitan in tropical regions
Southern Africa
: Species 1:
Pterolobium stellatum
(Forssk.) Brenan, Northern Province and Mpumalanga
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
ROSS, J.H. 1977.
Fabaceae
.
Caesalpinioideae
.
Flora of southern Africa
16,2
SALT, H. 1814.
A voyage to Abyssinia, Appendix
. Rivington, London
WIGHT, R. & ARNOTT, G.A.W. 1834.
Prodromus florae peninsula Indiae orientalis
1. Parbury, Allen & Co., London
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