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

Kirkiaceae - Kirkia Oliv.

Description :

  • Trees, deciduous; monoecious; branches with prominent leaf scars
  • Leaves alternate (spiral), tufted at ends of branchlets, imparipinnate, with many opposite leaflets, usually with crenate margins; stipules 0
  • Inflorescence axillary, of paniculate cymes
  • Flowers usually unisexual, regular; flowers of only one sex open on a tree at a time
  • Calyx of 4 free sepals
  • Petals 4, free, imbricate, usually glandular at base within
  • Disc fleshy, annular or swollen
  • Stamens 4, alternating with petals, and arising on outside of disc; staminodes present in female flowers
  • Ovary superior, 4-locular, 4-lobed, with solitary ovule in each locule; placentas axile; reduced in male flowers; style slender, with capitate stigma formed of 4 fused styles, caducous about middle with age and simulating 4 free, short styles, absent in male flowers
  • Fruit dry, sharply 4-angled, at length separating into 4 or 8 1-seeded cocci, triquetrous, suspended from top of a central carpophore
  • Seeds slender, triangular in cross section; endosperm ± 0

Nomenclature:

  • Kirkia Oliv.
    • Oliver: 311 (1868)
    • Wild & Phipps: 214 (1963)
    • Stannard: 829 (1981)
    • Immelman: 1 (1986)

Distribution & Notes:

  • Global : Species 5 in Africa
  • Southern Africa : Species 3, Namibia, Northern Province and Mpumalanga

References:

  • IMMELMAN, K.L. 1986. Simaroubaceae . Flora of southern Africa 18, 3
  • OLIVER, D. 1868. Simarubeae . Flora of tropical Africa 1
  • STANNARD, B. 1981. A revision of Kirkia ( Simaroubaceae ). Kew Bulletin 35
  • WILD, H. & PHIPPS, J.B. 1963. Simaroubaceae . Flora zambesiaca 2,1