e-Key <span id="jodit_selection_marker_1710923544968_730242360157362" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Megaloch<span id="jodit_selection_marker_1710923544968_8844507986193544" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>lamys
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Acanthaceae - Acanthoideae - Justicieae - Odontoneminae - Megalochlamys Lindau

Description:

  • Suffrutices or shrubs
  • Leaves entire, often with conspicuous linear cystoliths
  • Inflorescence terminal, spicate; bracts elliptic to ovate, sometimes large with cordate base; bracteoles 2, subulate
  • Calyx regular, scabrous or pubescent; lobes 5, linear or linear-lanceolate; tube shorter than lobes
  • Corolla 2-lipped; upper lip ovate-oblong, subentire; lower lip 3-fid; aestivation ascending; tube longer than lobes, cylindric
  • Androecium: fertile stamens 2, long-exserted; anthers 2-thecous; thecae parallel, muticous; staminodes 0
  • Pollen prolate, 3-colporate; surface reticulate
  • Disc cupular
  • Gynoecium: ovary occasionally with 1 or with 2 ovules in each locule, glabrous; style branches 2, equal, expanded
  • Capsule subglobose, stipitate, with inelastic placental bases
  • Seeds compressed, orbicular; surface smooth

Nomenclature:

  • Megalochlamys Lindau
    • Lindau: 345 (1899)
    • Vollesen: 605 (1989)

Distribution & Notes:

  • Global: Species 10, Africa and Arabian Peninsula
  • Southern Africa: Species 4, Namibia, Botswana and Northern Province

References:

  • LINDAU, G. 1899. Megalochlamys nov. gen. Acanthacearum. Botanische Jahrbücher 26
  • VOLLESEN, K. 1989. A revision of Megalochlamys and Ecbolium (Acanthaceae: Justicieae). Kew Bulletin 44