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

DICOTYLEDON - ASTERIDAE - ASTERALES - Lobeliaceae

Compiled by W.G. Welman

Description :

  • Herbs, undershrubs, rarely entirely woody; often with sparse milky juice
  • Leaves alternate, sometimes radical, opposite or whorled, simple; stipules 0
  • Flowers bisexual, rarely unisexual by abortion, irregular, solitary and axillary, or in spikes or racemes
  • Calyx 5-lobed, adnate to ovary
  • Corolla united, 1- or 2-lipped; lips reversed by a twisting of the pedicel; lobes 5, valvate
  • Stamens 5, alternate with corolla lobes; filaments free or arising on base of corolla; anthers cohering into a tube around style or rarely free ( Cyphia )
  • Ovary ± inferior, 2-locular, rarely imperfectly divided; ovules 1-many, axile; style simple or 2-lobed, with ring of hairs
  • Fruit capsular and variably dehiscent
  • Seeds 1-many, albuminous; embryo straight

Classification Notes:

  • Lobeliaceae (incl. Cyphiaceae ) sometimes classified under Campanulaceae in broad sense

Nomenclature:

  • Lobeliaceae
    • Sonder: 530 (1865) under Campanulaceae
    • Thulin: 116 (1983)

Distribution & Notes:

  • Global : Genera ± 30, species ± 1000; cosmopolitan but mainly tropics and subtropics of the New World
  • Southern Africa : Genera 5, species ± 134

References:

  • SONDER, W. 1865. Campanulaceae . Flora capensis 3
  • THULIN, M. 1983. Lobeliaceae . Flora zambesiaca 7,1