e-Key <span id="jodit_selection_marker_1706080517399_9447425168080581" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Ane<span id="jodit_selection_marker_1706080517399_055698827666010864" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ilema
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Commelinaceae - Commelinoideae - Commelineae - Aneilema R.Br.

Description:

  • Perennial or annual herbs of various habits, with fibrous or tuberous roots
  • Leaves distichous or spirally arranged, blade petiolate or sessile
  • Inflorescence a thyrse (sometimes reduced to a single cyme), terminal or terminal and axillary, rarely all axillary; bracteoles persistent, usually cup-shaped and perfoliate
  • Flowers bisexual, bisexual and staminate, or bisexual, staminate and pistillate, all types produced in same inflorescence, irregular, pedicelled
  • Sepals 3, free, ± equal, sepaline, predominantly green
  • Petals 3, free, petaloid, upper 2 (paired petals) clawed, lower one (medial petal) usually reduced and discolorous (rarely subequal and concolorous, but then different in form), deliquescent
  • Stamens 3, on lower side, medial one different in form and size from lateral ones; filaments all glabrous or laterals sparsely to densely bearded
  • Staminodes 3, on upper side; filaments glabrous; antherodes bilobed
  • Ovary 2- or 3-locular, dorsal locule suppressed or 1-ovulate, ventral locules each with 1-6 uniseriate ovules; style simple; stigma capitate or not enlarged
  • Fruit a capsule, usually dehiscent and 2-valved (rarely ± indehiscent), dorsal locule suppressed or 1-seeded, ventral locules each 1-6-seeded
  • Seeds with a linear hilum and lateral embryotega
  • x = 10, 13 (14, 16, 29)

Nomenclature:

  • Aneilema R.Br.
    • Brown: 270 (1810)
    • Clarke: 12 (1897)
    • Clarke: 62 (1901)
    • Morton: 431 (1966)
    • Schreiber: 2 (1967)
    • Obermeyer & Faden: 36 (1985)
    • Faden: 1 (1991)

Distribution & Notes:

  • Global: Species ± 62, mainly tropical Africa
  • Southern Africa: Species 11, mainly in tropical and eastern regions: Namibia, Botswana, northern provinces of South Africa, Swaziland, KwaZulu-Natal and into Eastern Cape

References:

  • BROWN, R. 1810. Commelinaceae. Prodromus florae Novae-Hollandiae. J. Johnson & Co., London
  • CLARKE, C.B. 1897. Commelinaceae. Flora capensis 7
  • CLARKE, C.B. 1901. Commelinaceae. Flora of tropical Africa 8
  • FADEN, R.B. 1991. The morphology and taxonomy of Aneilema R. Brown (Commelinaceae). Smithsonian Contributions to Botany 76
  • MORTON, J.K. 1966. A revision of the genus Aneilema R.Brown (Commelinaceae) with a cytotaxonomic account of the west African species. Journal of the Linnean Society, Botany 59
  • OBERMEYER, A.A. & FADEN, R.B. 1985. Commelinaceae. Flora of southern Africa 4
  • SCHREIBER, A. 1967. Prodromus einer Flora von Südwestafrika 157