e-Key <span id="jodit_selection_marker_1699450430346_11400344163742515" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Faidh<span id="jodit_selection_marker_1699450430346_7705020787031736" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>erbia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Fabaceae - Mimosoideae - Acacieae - Faidherbia A.Chev.

Description:

  • Tall trees with rounded crown and spreading branches; stipules spinescent, in pairs, straight or slightly curved, greenish white with reddish brown tips when young
  • Leaves with adaxial gland 0; rachis subglabrous or puberulous, with a single conspicuous gland at junction of each of 2-10 pairs of pinnae; leaflets grey-green, 6-23 pairs per pinna, linear or linear-oblong to slightly ovate-oblong, apex rounded or subacute or mucronate
  • Inflorescence spicate, usually singly in axil of a leaf
  • Flowers bisexual, yellowish white to pale cream-coloured, sessile or minutely pedicellate
  • Calyx campanulate, 4- or 5-lobed or -toothed, glabrous to pubescent
  • Corolla 4- or 5-lobed, often a delicate pink inside basally, lobes divided almost to base, glabrous to pubescent
  • Stamens many; filaments shortly united into a tube at base; anthers eglandular
  • Ovary shortly stipitate, pilose; style glabrous or subglabrous
  • Pod bright orange to reddish brown, falcate or curled into a circular coil or variously twisted, indehiscent, thick, glabrous or very rarely puberulous
  • Seeds light to dark brown, elliptic-lenticular

Nomenclature:

  • Faidherbia A.Chev.
    • Chevalier: 876 (1934)
    • Vassal: 170 (1981)
  • Acacia Mill. in part
    • Ross: 44 (1975)

Distribution & Notes:

  • Global: Species 1: Faidherbia albida (Del.) A.Chev., widespread in tropical and subtropical Africa
  • Southern Africa: Namibia, Botswana, Northern Province, Mpumalanga and N KwaZulu-Natal

References:

  • CHEVALIER, A.J.B. 1934. Nouvelles observations sur quelques Acacias de l'Afrique Occidentale. Revue de Botanique Appliquée et d'Agriculture Tropicale 14
  • ROSS, J.H. 1975. Fabaceae. Mimosoideae. Flora of southern Africa 16,1
  • VASSAL, J. 1981. Tribe 4. Acacieae Benth. In R.M. Polhill & P.H. Raven, Advances in Legume Systematics 1