e-Key v3 - Smithia
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Fabaceae - Papilionoideae - Aeschynomeneae - Aeschynomeninae - Smithia Aiton

Description :

  • Erect or decumbent herbs or shrublets
  • Leaves pinnate; leaflets in 6-12 pairs, opposite, asymmetric at base, stipulate; stipules conspicuous, appendaged at base, with appendage 2-auricled, one ear rounded and short, the other linear and longer, persistent
  • Flowers in short, dense, axillary, scorpioid cymes; bracts entire, scarious, brownish, caducous, with persistent bracteoles below calyx
  • Calyx 2-lipped
  • Petals : vexillum ± orbicular; keel petals united dorsally, free at apex
  • Stamens 10, alternately long and short, united into a tube for two-thirds, split above
  • Ovary shortly stipitate, with 2-9 ovules; style inflexed, glabrous; stigma terminal
  • Pod enclosed within accrescent calyx, jointed; joints indehiscent
  • Seeds reniform
  • x = 19

Nomenclature:

  • Smithia Aiton
    • Aiton: 496, t.13 (1789) name conserved
    • Verdcourt: 15 (1970)
    • Verdcourt: 408 (1971)
    • Verdcourt: 445 (1973)

Distribution & Notes:

  • Global : Species ± 30 in Old World tropics, a few in Africa
  • Southern Africa : Species 1: Smithia erubescens (E.Mey.) Baker f., the four northern provinces, Swaziland, KwaZulu-Natal and the N Eastern Cape

References:

  • AITON, W. 1789. Hortus kewensis , edn 1,3. George Nicol, London
  • VERDCOURT, B. 1970. Studies in the Leguminosae - Papilionoideae for the 'Flora of Tropical East Africa': I. Kew Bulletin 24
  • VERDCOURT, B. 1971. Flora of tropical East Africa . Leguminosae (part 3,1). Papilionoideae
  • VERDCOURT, B. 1973. Summary of the Leguminosae - Papilionoideae - Hedysareae (sensu lato) of Flora Zambesiaca. Kirkia 9