e-Key <span id="jodit_selection_marker_1710506736672_6710442549968025" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Lando<span id="jodit_selection_marker_1710506736672_5197878052369489" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>lphia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Apocynaceae - Plumerioideae - Carisseae - Landolphia P.Beauv.

Description:

  • Shrubs or woody climbers, climbing by sensitive inflorescences or tendrils (modified inflorescences), rarely dwarf shrubs or undershrubs, glabrous or hairy; sap milky
  • Leaves leathery, opposite, shortly petioled, penninerved; axillary glands minute, obscure, or subulate to filiform; stipules 0
  • Inflorescence terminal, many-flowered, corymbose or paniculate
  • Flowers small to medium-sized, sessile or pedicelled, white or often tinged with red or purple, scented
  • Calyx small, leathery, eglandular, divided almost to base
  • Corolla salver-shaped; tube ± narrowly cylindric, widened and staminiferous near base or sometimes near or above middle; mouth somewhat constricted, glabrous; lobes overlapping to the left, usually longer than tube
  • Stamens 5; filaments short; anthers 4-locular, ovate to lanceolate, dehiscing to minutely 2-lobed base
  • Disc 0
  • Ovary entire, 1-locular, glabrous or hairy; ovules many from 2 parietal placentas; style terete; stigma level with base of anthers, conical from a thickened base, shortly bifurcate
  • Fruit a globose or pear-shaped berry, up to size of a small orange
  • Seeds few or many, embedded in pulp
  • x = 11

Nomenclature:

  • Landolphia P.Beauv.
    • Beauvois: 54, t. 34 (1806) name conserved
    • Stapf: 492 (1907)
    • Codd: 258 (1963)
    • Kupicha: 408 (1985)

Distribution & Notes:

  • Global: Species ± 55, Africa and Mascarene Islands
  • Southern Africa: Species 3, Botswana, Northern Province, North-West, Gauteng, Mpumalanga, KwaZulu-Natal and Northern Cape

References:

  • BEAUVOIS, A.M.F.J. PALISOT DE 1806. Flora d' Oware 1. Fain, Paris
  • CODD, L.E. 1963. Apocynaceae. Flora of southern Africa 26
  • KUPICHA, F.K. 1985. Apocynaceae: Acokanthera, Pachypodium, Ancylobotrys, Carissa, Landolphia and Oncinotis. Flora zambesiaca 7,2
  • STAPF, O. 1907. Apocynaceae. Flora capensis 4,1