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

Proteaceae - Proteoideae - Sorocephalus R.Br.

Description :

  • Shrublets, erect or procumbent
  • Leaves alternate, many, imbricate, linear-acicular, terete or semiterete, mucronate
  • Inflorescence densely flowered, globose to cylindric, compound, paniculate or rarely a capitulum; lateral racemes 4-9-flowered; bracts and floral bracts free
  • Flowers bisexual, regular
  • Perianth straight in bud, cylindric; tube glabrous; claws filiform, twisting on opening, woolly, sericeous or scabrous; limbs elliptic, glabrous or pubescent
  • Anthers sessile, arising from base of perianth limbs, ovoid to ellipsoid
  • Ovary ellipsoid, pubescent or glabrous; ovule 1, pendulous; style filiform, straight; pollen presenter terminal, cylindric, ovoid or capitate
  • Hypogynous scales 4, rarely 0, subulate-linear
  • Fruit a glabrous to glabrescent achene, broadly or narrowly introrse at base

Nomenclature:

  • Sorocephalus R.Br.
    • Brown: 139 (1810)
    • Stapf et al.: 701 (1912)
    • Rourke: 21 (1969)
  • Soranthe Salisb. ex Knight
    • Knight: 72 (1809)

Distribution & Notes:

  • Southern Africa : Species 11, Western Cape: Cederberg to Klein River and Riviersonderend Mountains

References:

  • BROWN, R. 1810. On the Proteaceae of Jussieu. Transactions of the Linnean Society of London 10
  • KNIGHT, J. 1809. On the cultivation of the plants belonging to the natural order of PROTEEAE . W. Savage, London
  • ROURKE, J.P. 1969. Taxonomic studies on Sorocephalus R.Br. and Spatalla Salisb. Journal of South African Botany Suppl. 7
  • STAPF, O, PHILLIPS, E.P. & HUTCHINSON, J. 1912. Proteaceae . Flora capensis 5,1