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

Flacourtiaceae - Dovyalis E.Mey. ex Arn.

Description :

  • Trees or shrubs, evergreen or deciduous, dioecious or rarely polygamous, often armed with spines; branches lenticellate
  • Leaves alternate or sometimes fascicled, petiolate; blade 3-5-veined at or near base, margins entire, crenate or serrate; stipules 0
  • Male flowers pedicellate, in fascicles of 2-10, or 5-10 flowers in groups of 3; pedicels surrounded at base by small hairy scales; calyx 2-6-lobed; corolla 0; stamens 10-many; filaments surrounded at base by sparsely to densely hairy nectaries which form a honeycomb structure; anthers bilocular, dehiscing by means of longitudinal slits
  • Female flowers pedicellate, axillary, solitary or in fascicles of 2 or 3; pedicels surrounded at base by small hairy scale-like bracts; calyx deeply 3-7-lobed; lobes sometimes revolute and sometimes fringed with stipitate glands; corolla 0; disc annular, lobed, glutinous, hairy, sparsely hairy or glabrous; ovary unilocular or sometimes incompletely 2- or 3-locular; placentas 2-7, parietal, each placenta with 1 or 2 ovules; styles channelled, as many as placentas
  • Fruit a subglobose to oblong berry, minutely papillose, glabrous or hairy
  • Seeds embedded in fleshy pulp, elliptic to broadly elliptic, glabrous to densely woolly; testa leathery; embryo straight; cotyledons flat, elliptic, sometimes thin and pinnately veined; endosperm present
  • x = 10

Nomenclature:

  • Dovyalis E.Mey. ex Arn.
    • Arnott: 251 (1841)
    • Harvey: 69 (1860)
    • Sleumer: 64 (1972)
    • Langenegger: 84 (1976)
  • Aberia Hochst.
    • Hochstetter: 2 (1844)
    • Sonder: 9 (1850)
    • Harvey: 70 (1860)

Distribution & Notes:

  • Global : Species ± 20, widespread in Africa and extending to Sri Lanka and New Guinea
  • Southern Africa : Species 6 recognised, Northern Province, North-West, Gauteng, Mpumalanga, Swaziland, KwaZulu-Natal, Western and Eastern Cape

References:

  • ARNOTT, G.A.W. 1841. In W.J. Hooker, The Botany of Captain Beechey's Voyage 3. H.G. Bohn, London
  • HARVEY, W.H. 1860. Bixaceae . Flora capensis 1
  • HOCHSTETTER, C.F.F. 1844. Nova genera plantarum Africae: Aberia . Flora 27,1
  • LANGENEGGER, J.E. 1976. Dovyalis . Flora of southern Africa 22
  • SLEUMER, H. 1972. A taxonomic revision of the genus Dovyalis E.Mey. ex Arn. ( Flacourtiaceae ). Botanische Jahrbücher 92,1
  • SONDER 1850. Bixaceae Sect. Flacourtianeae . Linnaea 23