e-Key<span id="jodit_selection_marker_1699608792784_2755284606525643" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span> v3 - Dec<span id="jodit_selection_marker_1699608792785_036338304875355165" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>orsea
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Fabaceae - Papilionoideae - Phaseoleae - Phaseolinae - Decorsea R.Vig.

Description:

  • Voluble, perennial herbs; rootstock possibly tuberous
  • Leaves pinnately 3-foliolate, bracteate; leaflets ± ovate-lanceolate
  • Flowers in axillary, shortly pedunculate clusters or fascicles, sometimes precocious
  • Calyx appearing 4-lobed, upper 2 united into a low rounded lip
  • Petals: vexillum oblate, reflexed, glabrous, only slightly auriculate; keel incurved through 180-360°
  • Ovary linear, 9-14-ovuled; style of two parts, the upper incrassate, the basal one tenuous; stigma terminal, penicillate, with simple or branched hairs
  • Pod linear, almost straight, not septate
  • Seeds oblong or narrowly oblong, compressed

Nomenclature:

  • Decorsea R.Vig.
    • Viguier: 181 (1952)
    • Verdcourt: 442 (1970)
    • Verdcourt: 611 (1971)

Distribution & Notes:

  • Global: Species ± 4, Madagascar and Africa
  • Southern Africa: Species 3, Namibia, North-West, Northern Province, Mpumalanga, Swaziland, Free State, KwaZulu-Natal and Eastern Cape

References:

  • VERDCOURT, B. 1970. Studies in the Leguminosae-Papilionoideae: III. Kew Bulletin 24
  • VERDCOURT, B. 1971. Flora of tropical East Africa. Leguminosae (part 4). Papilionoideae
  • VIGUIER, R. 1952. Notulae Systematicae 14