e-Key <span id="jodit_selection_marker_1705321772273_8454760540506379" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Acokan<span id="jodit_selection_marker_1705321772273_707314175987237" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>thera
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Apocynaceae - Plumerioideae - Carisseae - Acokanthera G.Don

Description:

  • Shrubs or small trees, unarmed
  • Leaves thickly coriaceous, opposite or subopposite, simple, entire, subrotund to lanceolate or oblanceolate; axillary glands 0 or minute; stipules 0
  • Inflorescence axillary, usually much contracted, many-flowered, shortly pedunculate or sessile, corymbose or shortly racemose
  • Flowers subsessile, white or tinged with pink, scented
  • Calyx small, divided almost to base, eglandular within; lobes imbricate, ovate, acute
  • Corolla salver-shaped; tube cylindric, slightly widened at mouth, much longer than calyx, hairy within; lobes much shorter than tube, overlapping to the left
  • Stamens enclosed in widened part of tube; filaments terete; anthers 4-locular, ovate-oblong, mucronate, sometimes pilose at apex, shortly 2-lobed at base
  • Disc 0
  • Ovary entire, 2-locular, with a single, pendulous ovule in each locule; style filiform; stigma at level of anthers, conic or cylindric, with a ring of papillae at base and a minutely 2-lobed hairy tip
  • Fruit a globose to ellipsoid berry
  • Seeds 1 or 2, black or brown, elliptic, somewhat flattened
  • x = 11

Nomenclature:

  • Acokanthera G.Don
    • Don: 485 (1838)
    • Stapf: 499 (1907)
    • Codd: 245 (1963)
    • Kupicha: 41 (1982)
    • Kupicha: 404 (1985)

Distribution & Notes:

  • Global: Species 5, from Yemen through E Africa to Cape region
  • Southern Africa: Species 3, Northern Province, North-West, Gauteng, Mpumalanga, Swaziland, KwaZulu-Natal, Western and Eastern Cape

References:

  • CODD, L.E. 1963. Apocynaceae. Flora of southern Africa 26
  • DON, G. 1838. A general history of the dichlamydeous plants 4. Rivington, London. Originally issued as: A general system of gardening and botany
  • KUPICHA, F.K. 1982. Studies on African Apocynaceae: the genus Acokanthera. Kew Bulletin 37,1
  • KUPICHA, F.K. 1985. Apocynaceae: Acokanthera, Pachypodium, Ancylobotrys, Carissa, Landolphia and Oncinotis. Flora zambesiaca 7,2
  • STAPF, O. 1907. Apocynaceae. Flora capensis 4,1