e-Key <span id="jodit_selection_marker_1710769740860_6214129342531338" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Marcelli<span id="jodit_selection_marker_1710769740860_31263387268448284" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>opsis
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Amaranthaceae - Amaranthoideae - Amarantheae - Aervinae - Marcelliopsis Schinz

Description:

  • Annual or perennial herbs or subshrubs
  • Leaves opposite or sometimes alternate, linear to oblong, entire
  • Inflorescences terminal, elongated, dense spiciform thyrses, bracteate; bracts subtending 2 bisexual flowers flattened at their point of contact and 2 modified lateral sterile flowers formed of long hairs and pilose spines
  • Tepals 5, oblong to linear, pilose
  • Stamens 5, free; filaments narrow, monadelphous at base; pseudostaminodes 0; anthers 2-thecous
  • Ovary woolly; ovule solitary, pendulous, basal; style columnar; stigma small, capitate with a tuft of purplish hairs
  • Capsule thin-walled, indehiscent
  • Seed orbicular, flattened

Nomenclature:

  • Marcelliopsis Schinz
    • Schinz: 48 (1934)
    • Podlech: 18 (1966)
    • Townsend: 84 (1993)
  • Marcellia Baill.
    • Baillon: 625 (1886) not of Choisy
    • Baker & Clarke: 49 (1909) in part.
  • Sericocoma Fenzl subgen. Newtonia Schinz
    • Schinz: 183 (1895)

Distribution & Notes:

  • Species 3, confined to Namibia

References:

  • BAILLON, H.E. 1886. Marcellia. Bulletin mensuel de la Société Linnéenne de Paris 1
  • BAKER, J.G. & CLARKE, C.B. 1909. Amarantaceae. Flora of tropical Africa 6,1
  • PODLECH, D. 1966. Amaranthaceae. Prodromus einer Flora von Südwestafrika 33
  • SCHINZ, H. 1895. Amarantaceae africanae. Botanische Jahrbücher 21
  • SCHINZ, H. 1934. Amaranthaceae. Die natürlichen Pflanzenfamilien, edn 2, 16c
  • TOWNSEND, C.C. 1993. Amaranthaceae. In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin