e-Key <span id="jodit_selection_marker_1710152825234_3844332267206967" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Guille<span id="jodit_selection_marker_1710152825234_24760959990180642" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>minea
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Amaranthaceae - Gomphrenoideae - Gomphreneae - Froelichinae - *Guilleminea Kunth

Description:

  • Prostrate or decumbent, mat-forming perennial herb with a thickened rootstock, pubescent
  • Leaves opposite, entire, ± elliptic, petiolate
  • Inflorescences sessile, axillary, dense, often fasciculate spikes, bracteate; bracts persistent, subequal, silvery, ± ovate
  • Flowers bisexual, minute, solitary in axils of bracts; bracteoles 2; perianth and bracteoles falling with fruit
  • Tepals 5, elliptic, oblong or ovate, acute, woolly at base, hyaline, or firm with 3 green nerves, free or connate to ± halfway; perianth and bracteoles falling with fruit
  • Stamens 5, perigynous; filaments fused into a tube, tube adnate to perianth; anthers 1-thecous
  • Ovary compressed; ovule solitary, pendulous; style usually short; stigma shortly bilobed
  • Capsule membranous, thin-walled, indehiscent
  • Seed compressed, firm

Nomenclature:

  • *Guilleminea Kunth
    • Kunth: 40, pl. 518 (1823) name emended
    • Mears: 137 (1967)
    • Moquin-Tandon: 338 (1849)
    • Schinz: 113 (1893)
    • Townsend: 119 (1985)
    • Townsend: 122 (1988)
    • Townsend: 88 (1993)
  • Gossypianthus Hook
    • Hooker.: t. 251 (1840).
  • Brayulinea Small
    • Small: 394 (1903)
    • Schinz: 64 (1934)
    • Cavaco: 156 (1962)
    • Henderson & Anderson: 14 (1966)
    • Podlech: 9 (1966)

Distribution & Notes:

  • Global: Species 5, all natives of the Americas from southern USA to Argentina
  • Southern Africa: Species 1: *Guilleminea densa (Willd.) Moq., an increasingly widespread tropical weed, naturalised and widespread

References:

  • CAVACO, A. 1962. Les Amaranthaceae de l'Afrique au sud du Tropique du Cancer et de Madagascar. Mémoires du Muséum National d'Histoire Naturelle, Paris, Série B, Botanique 13
  • HENDERSON, M.D. & ANDERSON, J.G. 1966. Common weeds in South Africa. Memoirs of the Botanical Survey of South Africa 37
  • HOOKER, W.J. 1840. Gossypianthus rigidiflorus. Hooker's Icones Plantarum Ser. 1. Vol. 3
  • KUNTH, C.S. 1823. Paronychieae A. St. Hilaire. In A. de Humboldt, A. Bonpland & C.S. Kunth, Nova genera et species plantarum. Germanica, Paris
  • MEARS, J.A. 1967. Revision of Guilleminea (Brayulinea) including Gossypianthus. Sida 3
  • MOQUIN-TANDON, C.H.B.A. 1849. Amarantaceae. In A.P. de Candolle, Prodromus 13,2. Treuttel & Würtz, Paris
  • PODLECH, D. 1966. Amaranthaceae. Prodromus einer Flora von Südwestafrika 33
  • SCHINZ, H. 1893. Amarantaceae. Die natürlichen Pflanzenfamilien III,1a
  • SCHINZ, H. 1934. Amaranthaceae. Die natürlichen Pflanzenfamilien, edn 2, 16c
  • SMALL, J.K. 1903. Amaranthaceae. Flora of the southeastern United States. Published by the author, New York
  • TOWNSEND, C.C. 1985. Flora of tropical East Africa. Amaranthaceae
  • TOWNSEND, C.C. 1988. Amaranthaceae. Flora zambesiaca 9,1
  • 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

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