e-Key <span id="jodit_selection_marker_1699868682374_26192195045955" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Macrot<span id="jodit_selection_marker_1699868682374_6087767046678736" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>yloma
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 - Macrotyloma (Wight & Arn.) Verdc.

Description:

  • Annual or perennial herbs, often with large woody rootstocks; stems erect, scrambling, or prostrate
  • Leaves pinnately 3-foliolate or sometimes unifoliolate; leaflets often with a margin of whitish hairs; stipulate
  • Flowers axillary, fasciculate or in terminal pseudoracemes
  • Calyx 4- or 5-lobed; tube campanulate; 2 uppermost lobes ± united
  • Corolla glabrous, yellow or greenish yellow, often blotched with mauve, rarely reddish; vexillum rounded or elliptic, eared, with 2 small, parallel appendages; wings narrow
  • Stamens biseriate, with uniform anthers
  • Ovary 3-13-ovuled; style ± filiform, with terminal, subcapitate, often penicillate stigma
  • Pod straight or curved, linear or linear-oblong, compressed
  • Seeds compressed, with small or obsolete aril
  • x = 11 (aneuploids)

Nomenclature:

  • Macrotyloma (Wight & Arn.) Verdc.
    • Verdcourt: 400 (1970a)
    • Verdcourt: 322 (1970b)
    • Verdcourt: 1 (1982)

Distribution & Notes:

  • Global: Species ± 24, Africa and Asia
  • Southern Africa: Species 6, widespread, but not reaching Western Cape

References:

  • VERDCOURT, B. 1970a. Studies in the Leguminosae-Papilionoideae: III. Kew Bulletin 24
  • VERDCOURT, B. 1970b. A new genus of Leguminosae-Phaseoleae. Kew Bulletin 24
  • VERDCOURT, B. 1982. A revision of Macrotyloma (Leguminosae). Hooker's Icones Plantarum 38,4