e-Key <span id="jodit_selection_marker_1699601528046_7098687327541409" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Amphit<span id="jodit_selection_marker_1699601528046_8046092310352566" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>halea
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Fabaceae - Papilionoideae - Liparieae - Amphithalea Eckl. & Zeyh.

Description:

  • Shrubs or shrublets, sometimes ericoid, usually villous
  • Leaves simple, alternate or rarely opposite, sessile or rarely short petiolate, linear, lanceolate or ovate, flat, slightly concave or often with margins ± recurved; stipules 0
  • Flowers small, white, yellow, pink or violet, axillary and sessile or subsessile, often 2-nate, sometimes crowded into a leafy spike, sometimes in bracteate heads; bracts setaceous, linear, lanceolate or triangular; bracteoles 0
  • Calyx usually hairy, with campanulate tube; lobes unequal, the 2 upper broadest or extensively connate
  • Petals: vexillum suborbicular, oblong or obovate and often bilobed, shortly or long-clawed; wings oblong, clawed; keel straight, usually shorter than wings, obtuse, gibbous or saccate at base, clawed
  • Stamens diadelphous; vexillary stamen free, remainder connate high up, alternate anthers longer, basifixed, others versatile
  • Ovary sessile or shortly stalked, usually 1-4-ovuled, sericeous; style slightly curved upwards, glabrous or sericeous below, with minute, terminal, sometimes slightly capitate stigma
  • Pod ovate, oblong falcate or obliquely oblong, often acute, compressed, 2-valved, densely sericeous or more sparsely pubescent
  • Seeds 1-4, appendaged, green or dark

Nomenclature:

  • Amphithalea Eckl. & Zeyh.
    • Ecklon & Zeyher: 167 (1836)
    • Harvey: 21 (1862)
    • Granby: 13 (1985)
  • Lathriogyna Eckl. & Zeyh.
    • Ecklon & Zeyher: 170 (1836)

Distribution & Notes:

  • Southern Africa: Species ± 21, Cape, mainly southwestern districts (Western Cape), extending eastwards to near Cathcart (Eastern Cape)

References:

  • ECKLON, C.F. & ZEYHER, K.L.P. 1836. Enumeratio plantarum africae australis extratropicae 2. Perthes & Besser, Hamburg
  • GRANBY, R. 1985. Revision of the genus Amphithalea (Liparieae-Fabaceae). Opera Botanica 80
  • HARVEY, W.H. 1862. Leguminosae. Flora capensis 2