e-Key v3 - Chorisochora
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Acanthaceae - Acanthoideae - Justicieae - Odontoneminae - Chorisochora Vollesen

Description :

  • Shrubs or shrubby herbs
  • Leaves long-petiolate, ± entire
  • Inflorescence terminal thyrses; bracts imbricate or not; bracteoles 2
  • Calyx regular, 5-lobed; lobes linear; tube shorter than lobes
  • Corolla 2-lipped, 5-lobed, puberulous outside; 2 lobes in upper lip fused; lower lip deeply 3-lobed, aestivation ascending; tube shorter than lobes, cylindric, slightly widened upwards
  • Androecium : fertile stamens 2, arising just inside tube, with short downwardly directed hairs; anthers 2-thecous, thecae oblong, parallel, muticous; staminodes 0
  • Pollen spheroidal, 3-colporate; surface reticulate
  • Disc shallowly cupular
  • Gynoecium : ovary with 1 or sometimes 2 ovules per locule; style with scattered hairs towards base or glabrous; style branches 2, equal, cylindriform, longer than broad
  • Capsule stipitate, slightly beaked, club-shaped, 2- or 3-seeded, placental bases inelastic
  • Seeds discoid, broadly elliptic to circular in outline, rimmed, surface rough

Nomenclature:

  • Chorisochora Vollesen
    • Vollesen: 469 (1994)
  • Angkalanthus in sense of A.Meeuse
    • Meeuse: t. 1227 (1956)

Distribution & Notes:

  • Global : Species 3; 2 on Socotra, 1 in southern Africa
  • Southern Africa : Species 1: Chorisochora transvaalensis (A.Meeuse) Vollesen, Northern Province and Mpumalanga

References:

  • MEEUSE, A. 1956. Angkalanthus transvaalensis . Flowering Plants of Africa 31
  • VOLLESEN, K. 1994. Delimitation of Angkalanthus ( Acanthaceae : Justicieae ) and the new genus Chorisochora . Kew Bulletin 49