e-Key <span id="jodit_selection_marker_1710247580952_16718208462847262" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Hyp<span id="jodit_selection_marker_1710247580952_3462101173713734" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>haene
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Arecaceae - Hyphaene Gaertn.

Description:

  • Caulescent, often suckering, dioecious
  • Trunk slender, fibrous, occasionally ventricose, rarely dichotomously branched, closely ridged with transverse leaf scars
  • Leaves costapalmate; petiole ± as long as lamina, with spinous or sclerotic margins, base persistent; hastula distinct on both sides, lamina half-folded, recurved in upper half
  • Flowers in axillary, pendulous panicles subtended by tubular spathes
  • Male flowers in somewhat stout, fastigiate spadices, spirally arranged in ± 8 vertical, densely imbricate rows; flowers in 3s in a compressed, rhomboid, hairy cavity, subtended by a short, wide bract below; sepals 3, connate basally; petals 3, connate, forming a short tube, lobes ovate, concave; stamens 6, with short filaments; ovary 0
  • Female flowers in alternate or fastigiate spadices, in 4 vertical, densely imbricate rows, coarser and larger than males, placed in rhomboid cavities bulging with hairs, subtended by a short semicircular, truncate bract; sepals and petals equal or subequal, short, ovate, ribbed, coriaceous; staminodes 3, connate into a membranous ring; ovary subglobose, obscurely 3-lobed, 3-locular, with 1 ovule in each locule; stigmas 3, minute
  • Fruit sessile or on a short pedicel, globose, hard, shiny, 1-seeded
  • x = 18

Nomenclature:

  • Hyphaene Gaertn.
    • Gaertner: 28, t. 10, f. 2 (1788)
    • Wright: 30 (1897)
    • Wicht: 31 (1969)
    • Dransfield: 21 (1986)
    • Uhl & Dransfield: 228 (1987)

Distribution & Notes:

  • Global: Species ± 10, Africa, Arabian Peninsula and Mascarene Islands
  • Southern Africa: Species 2, Namibia, Botswana and lowveld areas of Northern Province, Mpumalanga and KwaZulu-Natal

References:

  • DRANSFIELD, J. 1986. Flora of tropical East Africa. Palmae
  • GAERTNER, J. 1788. De fructibus et seminibus plantarum, Vol. 1. Academia Carolina, Stuttgart
  • UHL, N. & DRANSFIELD, J.W. 1987. Genera palmarum. International Palm Society and Allen Press, Lawrence KS
  • WICHT, H. 1969. The indigenous palms of southern Africa. Timmins, Cape Town
  • WRIGHT, C.H. 1897. Palmae. Flora capensis 7