e-Key <span id="jodit_selection_marker_1709299225790_5342019591887963" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - E<span id="jodit_selection_marker_1709299225790_6835624829197238" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>xomis
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Chenopodiaceae - Chenopodioideae - Atripliceae - Exomis Fenzl ex Moq.

Description:

  • Subshrubs with dichotomous branching, ashy grey, with simple hairs, monoecious with few bisexual flowers
  • Leaves alternate, ovate to lanceolate, the larger ones hastate, entire
  • Inflorescences terminal spikes or axillary clusters
  • Male flowers without bracts; tepals 4 or 5, herbaceous, broadly linear, ± recurved and hood-like towards tip; stamens 5, filaments strap-like, slightly tapering towards apex, longer than tepals, and connate at base; staminodes 0; ovary rudimentary
  • Bisexual flowers bibracteate; bracteoles cylindrical, accrescent in fruit; tepals 3-5, sometimes 0, slightly united below; staminodes 0; ovary fully developed; styles 2, free or united below
  • Fruit beaked at top; pericarp fleshy, adherent
  • Seed vertical, elongate to roundish or laterally compressed, blackish brownish; testa firm, glossy, smooth; embryo annular; radicle pointing downward

Nomenclature:

  • Exomis Fenzl ex Moq.
    • Moquin-Tandon: 49 (1840)
    • Moquin-Tandon: 89 (1849)
    • Hooker: 53 (1880)
    • Volkens: 63 (1892)
    • Wright: 441 (1910)
    • Ulbrich: 500 (1934) in part
    • Aellen: 373 (1940)
    • Aellen: 11 (1967)
    • Kühn: 267 (1993)

Distribution & Notes:

  • Southern Africa: Species 1: Exomis microphylla (Thunb.) Aellen with 2 varieties, confined to dryish areas: Namibia, Free State, Northern, Western and Eastern Cape

References:

  • AELLEN, P. 1940. Exomis und Manochlamys in Südafrika. Botanische Jahrbücher 70
  • AELLEN, P. 1967. Chenopodiaceae. Prodromus einer Flora von Südwestafrika 32
  • HOOKER, J.D. 1880. Chenopodiaceae. In G. Bentham & J.D. Hooker, Genera plantarum 3,1. Lovell Reeve & Co., London
  • KÜHN, U. 1993. Chenopodiaceae. In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin
  • MOQUIN-TANDON, C.H.B.A. 1840. Chenopodearum monographica enumeratio. P.-J. Loss, Paris
  • MOQUIN-TANDON, C.H.B.A. 1849. Salsolaceae Moq. In A.P. de Candolle, Prodromus 13,2. Treuttel & Würtz, Paris
  • ULBRICH, E. 1934. Chenopodiaceae. Die natürlichen Pflanzenfamilien edn 2, 16c
  • VOLKENS, G. 1892. Chenopodiaceae. Die natürlichen Pflanzenfamilien 3,1a
  • WRIGHT, C.H. 1910-1912. Chenopodiaceae. Flora capensis 5,1

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