e-Key <span id="jodit_selection_marker_1706012494075_32061422056744027" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Amphis<span id="jodit_selection_marker_1706012494075_23917102881050067" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>iphon
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Hyacinthaceae - Amphisiphon W. F. Barker

Description:

  • Perennial, dwarf, deciduous bulbous herbs
  • Bulb globose, with outer covering of thin, brown tunics
  • Leaves 2(3), contemporary with flowers, spreading, ovate; bases enfolding peduncle; dark green
  • Inflorescence a congested raceme forming a capitate head of several to many flowers; peduncle short; bracts small
  • Flowers yellow to yellowish green above, white below, regular; sweetly scented; pedicels short
  • Tepals fused for most of their length, forming a tube; lobes erect, very short
  • Stamens 6, in one whorl, arising below middle of perianth tube, exserted from perianth; filaments fused for ± two-thirds of their length, free portion bright yellow, erect-spreading; anthers yellow, dorsifixed, introrse
  • Ovary narrowly ovoid; ovules many; style yellow, subulate; stigma minute, apical
  • Fruit an ovoid-acuminate capsule, roundly angled, membranous, dehiscing septicidally; style persistent
  • Seeds globose, shiny black
  • x = 8 (1 report, polyploidy)

Nomenclature:

  • Amphisiphon W. F. Barker
    • Barker: 19 (1936)
    • Jessop: 432 (1976)
    • Brandham: 58, t. 123 (1989)

Distribution & Notes:

  • Southern Africa: Species 1, Amphisiphon stylosa W.F.Barker, Northern Cape, endemic to Calvinia District
    • Flowering in June

References:

  • BARKER, W.F. 1936. Amphisiphon, a new genus of Liliaceae. Journal of South African Botany 2
  • BRANDHAM, P. 1989. Amphisiphon stylosa. Kew Magazine 6
  • JESSOP, J.P. 1976. Studies in the bulbous Liliaceae in South Africa. The taxonomy of Massonia and allied genera. Journal of South African Botany 42