e-Key <span id="jodit_selection_marker_1699517914863_6604553758061353" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Af<span id="jodit_selection_marker_1699517914863_756770570739175" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>zelia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Fabaceae - Caesalpinioideae - Detarieae - Afzelia Sm.

Description:

  • Unarmed evergreen or deciduous trees
  • Leaves paripinnate or rarely subimparipinnate; leaflets opposite or subopposite, few-jugate; stipules minute, their basal parts connate into a persistent intra-petiolar scale and their upper parts free and deciduous
  • Inflorescence simply racemose or of racemes grouped into panicles
  • Flowers bisexual, irregular, spirally arranged along inflorescence axes; bracteoles large, well developed, concavo-convex, almost completely concealing young flower buds, one bracteole overlapping the other by its margins, both bracteoles deciduous before flower opens
  • Calyx tube ± elongate; sepals 4, slightly unequal (2 outer, 2 inner), imbricate
  • Petals 1, developed, clawed, orbicular or reniform, sometimes 2-lobed; others small or 0
  • Stamens 3-8, free or shortly connate; anthers ovate; staminodes (0)2-4
  • Ovary stalked, with stalk adnate to calyx tube, many-ovuled; style with truncate or subcapitate stigma
  • Pod thick, woody or leathery, obliquely oblong, compressed, 2-valved or subindehiscent, with transverse septa between seeds
  • Seeds ovoid or ellipsoid, large, with a large, basal, brightly coloured, cup-like aril
  • x = 12

Nomenclature:

  • Afzelia Sm.
    • Smith: 221 (1798) name conserved
    • Brenan: 124 (1967)
    • Ross: 40 (1977)

Distribution & Notes:

  • Global: Species ± 14, fairly cosmopolitan in tropical areas
  • Southern Africa: Species 1: Afzelia quanzensis Welw., Northern Province, Mpumalanga to N KwaZulu-Natal

References:

  • BRENAN, J.P.M. 1967. Flora of tropical East Africa. Leguminosae (part 2). Caesalpinioideae
  • ROSS, J.H. 1977. Fabaceae. Caesalpinioideae. Flora of southern Africa 16,2
  • SMITH, J.E. 1798. The characters of twenty new genera of plants. Transactions of the Linnean Society, London 4