e-Key <span id="jodit_selection_marker_1699877128187_9774470434408218" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Ptychol<span id="jodit_selection_marker_1699877128188_8536301968583015" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>obium
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Fabaceae - Papilionoideae - Tephrosieae - Ptycholobium Harms

Description:

  • Undershrubs, finely canescent, sometimes with deep taproot
  • Leaves 1-foliolate or sometimes digitately 3-foliolate; stipules small
  • Flowers small, usually in pairs, axillary; bracts small or 0
  • Calyx usually with campanulate tube, somewhat 2-lipped
  • Petals: vexillum not markedly clawed; wings adnate to keel, eared, clawed; keel shorter than wings, planoconvex, obtuse, clawed
  • Stamens monadelphous, with vexillary stamen free at base
  • Ovary sessile, many-ovuled; style inflexed, terete, with terminal, capitate stigma
  • Pod oblong, compressed, membranous, sometimes contorted and densely hairy
  • Seeds suborbicular on short, filiform funicle

Nomenclature:

  • Ptycholobium Harms
    • Harms: 591 (1915)
    • Brummitt: 24 (1965)
    • Schreiber: 98 (1970)
  • Sylitra E.Mey.
    • Meyer: 114 (1836)

Distribution & Notes:

  • Global: Species 3, Africa
  • Southern Africa: All in southern Africa, widespread except along eastern seaboard

References:

  • BRUMMITT, R.K. 1965. Nomina conservanda proposita II. Regnum Vegetabile 40
  • HARMS, H.A.T. 1915. ROSALES-Leguminosae. Die Pflanzenwelt Afrikas 3,1
  • MEYER, E.H.F. 1836. Commentariorum de plantis Africae australioris 2. Voss, Leipzig
  • SCHREIBER, A. 1970. Fabaceae. Prodromus einer Flora von Südwestafrika 60