e-Key <span id="jodit_selection_marker_1710509762421_49256189866435873" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Leucosp<span id="jodit_selection_marker_1710509762421_053039327973207984" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ermum
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Proteaceae - Proteoideae - Leucospermum R.Br.

Description:

  • Shrubs or small trees, erect, decumbent, or sprawling
  • Leaves alternate, loosely ascending or imbricate, sessile or petiolate, linear to oval, oblanceolate, obovate or spatulate, entire or with up to 17 teeth at apex, glabrous or pubescent with a short indumentum of fine, crisped hairs
  • Inflorescence a capitulum, axillary, solitary or in groups of up to 10 per flowering shoot, sessile or pedunculate; involucral bracts small, green, cartilaginous or papyraceous
  • Receptacle cylindric, conic, globose or flat
  • Flowers bisexual, regular or irregular
  • Perianth cylindric in bud, straight or adaxially curved, pubescent, fused at base into short tube; tube cylindric or narrow proximally and inflated distally; three adaxial claws fused to form a sheath; abaxial claw separating from others; limbs lanceolate to ovate, acute
  • Anthers sessile or subsessile, arising from base of perianth limbs, ovoid-ellipsoid
  • Ovary slender, puberulous, with 1 ovule; style straight or adaxially arcuate, tapering; pollen presenter cylindric, clavate, ovoid, conic, or obliquely turbinate
  • Hypogynous scales 4, linear to deltoid-subulate
  • Fruit an ovoid to cylindric achene, introrse at base, glabrous or minutely puberulous
  • x = 12

Nomenclature:

  • Leucospermum R.Br.
    • Brown: 95 (1810)
    • Stapf et al.: 610 (1912)
    • Rourke: 1 (1972)

Distribution & Notes:

  • Southern Africa: Species 48, mainly southwestern and southern region of Western Cape, extending to Eastern Cape, KwaZulu-Natal and Zimbabwe

References:

  • BROWN, R. 1810. On the Proteaceae of Jussieu. Transactions of the Linnean Society of London 10
  • ROURKE, J.P. 1972. Taxonomic studies on Leucospermum R.Br. Journal of South African Botany Suppl. 8
  • STAPF, O, PHILLIPS, E.P. & HUTCHINSON, J. 1912. Proteaceae. Flora capensis 5,1