e-Key <span id="jodit_selection_marker_1710507176938_03402836239982787" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Lap<span id="jodit_selection_marker_1710507176938_7802072997052458" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ortea
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Urticaceae - Urticeae - Laportea Gaudich.

Description:

  • Perennial or annual herbs or shrubs, erect, with stinging and nonstinging hairs; plants monoecious or dioecious
  • Leaves alternate, dentate or serrate, 3-nerved from base, petiolate, with linear cystoliths, some species with axillary bulbils; stipules obsolete, rarely intrapetiolar, free or ± connate and bifid, deciduous
  • Inflorescences axillary and terminal, cymose-dichotomous panicles or rarely simple racemes, pedunculate
  • Flowers unisexual or rarely androgynous, reflexed; bracts 0
  • Male flowers usually pedicellate, regular; tepals 4 or 5, distinct, equal; stamens equalling tepals in number; filaments reflexed; rudimentary ovary present, globose or subclavate
  • Female flowers pedicellate; pedicel sometimes winged; tepals 2-4, unequal, lateral pair usually much larger than median pair, and median pair of unequal size; staminodes 0; ovary straight when young, becoming oblique; style persistent in fruit, hood-like or elongate; stigma obliquely ovate or linear, becoming inflexed and hooked, shortly papillose, sometimes with 2 minute lobes at base
  • Achene stipitate, oblique, laterally compressed, ± orbicular, free from and not enclosed by slightly enlarged tepals
  • Seed with a thin coat
  • x = 10, 13 (polyploidy)

Nomenclature:

  • Laportea Gaudich.
    • Gaudichaud-Beaupré: 498 (1830) name conserved
    • Weddell: 121 (1856)
    • Weddell: 77 (1869)
    • Bentham: 383 (1880)
    • Engler: 106 (1888)
    • Chew: 200 (1965)
    • Letouzey: 121 (1968)
    • Chew: 111 (1969)
    • Chew: 72 (1989)
    • Friis: 15 (1989)
    • Friis: 88 (1991)
    • Friis: 620 (1993)
  • Fleurya Gaudich.
    • Gaudichaud-Beaupré: 497 (1830)
    • Brown: 545 (1925)

Distribution & Notes:

  • Global: Species ± 50, pantropical but extending into temperate regions of North America and East Asia
  • Southern Africa: Species 3, Northern Province, Mpumalanga, Swaziland, 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
  • CHEW, W.-L. 1965. Laportea & allied genera. Gardens' Bulletin, Singapore 21
  • CHEW, W.-L. 1969. A monograph of Laportea (Urticaceae). Gardens' Bulletin, Singapore 25
  • CHEW, W.-L. 1989. Urticaceae. Flora of Australia 3
  • ENGLER, A. 1888. Urticaceae. Die natürlichen Pflanzenfamilien 3,1
  • 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
  • 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: 497, 498. Pillet-ainé, Paris
  • LETOUZEY, R. 1968. Urticaceae. Flore du Cameroun 8
  • WEDDELL, H.A. 1856. 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