e-Key v3 - Phaeoptilum
SANBI Flora Keys Logo
Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Nyctaginaceae - Phaeoptilum Radlk.

Description :

  • Spiny, Lycium-like shrubs with long and short shoots, densely branched, spreading; bark grey or yellowish
  • Leaves alternate or usually fascicled, sessile to subsessile, linear-cuneiform, ± fleshy, entire
  • Flowers bisexual or occasionally unisexual, solitary or in fascicles, usually on leafless branches; bracts small; bracteoles 0
  • Perianth : tube campanulate; lobes 4 or 5, ovate, spreading
  • Male flowers with 8 or 9 stamens, of two different lengths; the longer shortly exserted; filaments filiform, connate into short ± fleshy cup at base; anthers oblong-elliptic
  • Female flowers with very short stamens; ovary shortly stipitate; style asymmetrically inserted at apex of ovary, stout; stigma truncate, penicillate
  • Fruit enclosed in persistent, hardened, elongated perianth tube (anthocarp); anthocarp broadly 4- or 5-winged
  • Seed with hooked embryo

Nomenclature:

  • Phaeoptilum Radlk.
    • Radlkofer: 435 (1883)
    • Heimerl: 28 (1889)
    • Baker & Wright: 9 (1909)
    • Cooke: 396 (1910)
    • Heimerl: 123 (1934)
    • Schreiber: 6 (1969)
    • Stannard: 28 (1988)
    • Bittrich & Kühn: 483 (1993)
  • Nachtigalia Schinz ex Engl.
    • Engler: 128 (1894)
  • Amphoranthus S.Moore
    • Moore: 305, 408 (1902)

Distribution & Notes:

  • Southern Africa : Monotypic: Phaeoptilum spinosum Radlk., endemic, frequent in hot, arid regions, Namibia, Botswana, Northern Province, Free State and Northern Cape

References:

  • BAKER, J.G. & WRIGHT, C.H. 1909. Nyctagineae . Flora of tropical Africa 6,1
  • BITTRICH, V. & KÜHN, U. 1993. Nyctaginaceae . In K. Kubitzki, J.G. Rohwer & V. Bittrich, The families and genera of vascular plants - dicotyledons 2. Springer-Verlag, Berlin
  • COOKE, T. 1910. Nyctagineae . Flora capensis 5,1
  • ENGLER, A. 1894. Plantae Gürichianae. Ein Beitrag zur Kenntnis der Flora von Deutsch-Südwestafrika. Botanische Jahrbücher 19
  • HEIMERL, A. 1889. Nyctaginaceae . Die natürlichen Pflanzenfamilien 3,1b
  • HEIMERL, A. 1934. Nyctaginaceae . Die natürlichen Pflanzenfamilien , edn 2, 16c
  • MOORE, S. 1902. Amphoranthus . Journal of Botany, London 4
  • RADLKOFER, L.A.J. 1883. Phaeoptilon. Abhandlungen vom Naturwissenschaftlichen Verein zu Bremen 8.
  • SCHREIBER, A. 1969. Nyctaginaceae . Prodromus einer Flora von Südwestafrika 25
  • STANNARD, B.L. 1988. Nyctaginaceae . Flora zambesiaca 9,1