e-Key <span id="jodit_selection_marker_1710235224038_5287320420787662" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Helixan<span id="jodit_selection_marker_1710235224038_663627363725082" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>thera
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Loranthaceae - Helixanthera Lour.

Description:

  • Aerial, hemiparasitic, small to moderate-sized woody or succulent shrubs up to perhaps 0.5 m high, glabrous with mostly greyish to brownish stems
  • Leaves opposite-subopposite, broad to elongate, succulent to chartaceous
  • Inflorescence a terminal or axillary raceme, 15-40 mm long, 8-40-flowered
  • Flowers 4-merous, 5-15 X 1-3 mm, whitish to reddish orange; pedicels short (1-3 mm)
  • Corolla choripetalous; lobes reflexing from point where filaments arise
  • Filaments erect; anthers with or without locules
  • Style quadrangular or sometimes thickened basally
  • Berry rounded to ellipsoid, red to pink, smooth or warted
  • x = 9

Nomenclature:

  • Helixanthera Lour.
    • Loureiro: 142 (1790)
    • Danser: 55 (1933)
    • Wiens & Tölken: 37 (1979)
    • Polhill & Wiens: 79 (1998)

Distribution & Notes:

  • Global: Species ± 45, with 12 species in Africa south of the Sahara and the remaining in tropical Asia
  • Southern Africa: Species 2, Northern Province, KwaZulu-Natal

References:

  • DANSER, B.H. 1933. A new system for the genera of Loranthaceae: Loranthoideae, with a nomenclator for the old world species of this subfamily. Verhandelingen der Koninklijke Akademie van Wetenschappen te Amsterdam Afdeeling Natuurkunde, Sect. 2. 29,6
  • LOUREIRO, J. DE. 1790. Flora cochinchinensis 1. Academy, Lisbon
  • POLHILL, R. & WIENS, D. 1998. The mistletoes of Africa. The Royal Botanic Gardens, Kew
  • WIENS, D. & TÖLKEN, H. 1979. Loranthaceae. Flora of southern Africa 10,1