e-Key <span id="jodit_selection_marker_1709036202971_1591866243657143" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Drog<span id="jodit_selection_marker_1709036202971_6891118255533557" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>uetia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Urticaceae - Forsskaoleae - Droguetia Gaudich.

Description:

  • Slender annual or perennial herbs, occasionally subshrubs, with erect or prostrate stems, ± scabrid-pubescent, without stinging hairs; plants monoecious or sometimes dioecious
  • Leaves alternate or opposite, ovate, crenate-serrate, 3-nerved, petiolate, with dot-like cystoliths; stipules lateral, free
  • Inflorescences broadly campanulate with many crowded flowers, surrounded by a dentate involucre
  • Male flowers many at margin of inflorescence, subsessile, shortly pubescent; perianth clavate in bud, split along one side, unequally 3-toothed; stamen 1; rudimentary ovary 0
  • Female flowers 1 or few, in middle of inflorescence, naked, pedicellate; ovary straight, covered with a woolly tomentum; stigma sessile, filiform, shortly papillose on one side, persistent during ripening; staminodes 0
  • Achene enclosed in persistent involucre, brown, shiny, woolly or smooth, ovoid, compressed, often crowned by persistent stigma
  • Seed with thin coat
  • x = 12 (1 report)

Nomenclature:

  • Droguetia Gaudich.
    • Gaudichaud-Beaupré: 505 (1830)
    • Gaudichaud-Beaupré: t. 114 (1844)
    • Weddell: 538 (1857)
    • Weddell: 23557 (1869)
    • Bentham: 394 (1880)
    • Engler: 117 (1888)
    • Brown: 558 (1925)
    • Friis: 209 (1985)
    • Friis et al.: 126 (1987)
    • Friis & Wilmot-Dear: 36 (1988)
    • Friis: 56 (1989)
    • Friis: 112 (1991)
    • Friis: 628 (1993)
  • Didymogyne Wedd.
    • Weddell: 207 (1854)
  • Droguetia section Didymogyne (Wedd.) Benth.
    • Bentham: 394 (1880)

Distribution & Notes:

  • Global: Species 7, in the mountains of east tropical Africa, Madagascar, Mascarenes, South India, Java
  • Southern Africa: Species 2, Northern Province, KwaZulu-Natal, Western and Eastern Cape

References:

  • BENTHAM, G. 1880. Tribus Urticeae. In G. Bentham & J.D. Hooker, Genera plantarum 3. Lovell Reeve & Co., London
  • BROWN, N.E. 1925. Urticaceae. Flora capensis 5,2
  • ENGLER, A. 1888. Urticaceae. Die natürlichen Pflanzenfamilien 3,1
  • FRIIS, I. 1985. Two new taxa and a new combination in the Urticaceae for the Flora zambesiaca. Boletim da Sociedade Broteriana, Sér. 2, 58
  • FRIIS, I. 1989. Flora of tropical East Africa. Urticaceae
  • FRIIS, I. 1991. Urticaceae. Flora zambesiaca 9,6
  • FRIIS, I. 1993. Urticaceae. In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin
  • FRIIS, I., IMMELMAN, K. & WILMOT-DEAR, C.M. 1987. New taxa and combinations in Old World Urticaceae. Nordic Journal of Botany 7
  • FRIIS, I. & WILMOT-DEAR, C.M. 1988. A revision of the tribe Forsskaoleae (Urticaceae). Nordic Journal Botany 8
  • GAUDICHAUD-BEAUPRÉ, C. 1830. In M.L. de Freycinet, Voyage autour du monde ... exécuté sur les corvettes de S.M. l'Uranie et la Physicienne. Botanique. Pillet-ainé, Paris
  • GAUDICHAUD-BEAUPRÉ, C. 1844. Voyage autour du monde exécuté pendant les annales 1836 et 1837 sur la corvette la Bonite. Botanique, Atlas. Arthus Bertrand, Paris
  • WEDDELL, H.A. 1854. Revue de la famille des Urticacées. Annales des sciences naturelles; botanique, sér. 4,1
  • WEDDELL, H.A. 1857. Monographie de la famille des Urticacées. Gide & J. Baudry, Paris. Reprinted in Archives du Muséum d'Histoire Naturelle, Paris 9
  • WEDDELL, H.A. 1869. Urticaceae. In A. de Candolle, Prodromus 16,1. Treuttel & Würtz, Paris