e-Key v3 - Salpinctium
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Acanthaceae - Acanthoideae - Justicieae - Odontoneminae - Salpinctium T.J.Edwards

Description :

  • Erect perennial herbs; stems branching from base, glabrous to densely pubescent
  • Leaves usually petiolate, elliptic to trullate, with cordate or widely rounded bases, entire
  • Inflorescence terminal, rarely branched, spikes with 5-20 flowers in decussate pairs; bracts linear to very narrowly lanceolate; bracteoles minute, linear
  • Calyx regular, persistent; lobes 5, linear, glabrous or glandular-pubescent; tube shorter than lobes
  • Corolla 2-lipped; upper lip 2-lobed, rugula indistinct; lower lip longer and unequally 3-lobed and with a poorly developed palate and faint nectar guides; aestivation ascending; tube longer than lobes, linear, pubescent without, glabrous within
  • Androecium : fertile stamens 4, didynamous; filaments arising in pairs, glabrous; anthers 2-thecous; thecae subparallel, muticous; staminodes 0
  • Pollen spheroidal, 2-porate with processes associated with pores; pseudocolpi present; surface reticulate
  • Disc cupular
  • Gynoecium : ovary with 2 ovules in each locule, oblong, glabrous or pubescent; style branches 2, equal, cylindriform, longer than broad
  • Capsule stipitate, with inelastic placental bases
  • Seeds reniform or pyriform, laterally compressed; surface rough and tuberculate

Nomenclature:

  • Salpinctium T.J.Edwards
    • Edwards & Getliffe Norris: 6 (1989)

Distribution & Notes:

  • Southern Africa : Species 3, Mpumalanga, Swaziland, KwaZulu-Natal and Eastern Cape

References:

  • EDWARDS, T. & GETLIFFE NORRIS, F. 1989. Salpinctium , a new genus of Acanthaceae in southern Africa. South African Journal of Botany 55