e-Key v3 - Syncarpha
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Gnaphalieae - Syncarpha DC.

Description :

  • Perennial herbs
  • Leaves alternate, sessile, tomentose to velutinous (hair type B), margins flat or slightly concave, entire
  • Capitula discoid, solitary or few together
  • Involucre campanulate or ellipsoid; involucral bracts in ± 9 rows, small to large, outer usually oblong, with glumaceous appendage, sometimes with reflexed, acuminate, scarious apex and often woolly on back; inner bracts with glumaceous, usually coloured appendage (yellow, pink, white or brown), opaque; stereome divided or undivided
  • Receptacle epaleate, but with prominent fimbrils
  • Florets bisexual; corolla yellow; tube broadened above, usually with scattered glands and with 5 linear to lanceolate lobes
  • Anthers ecalcarate, caudate; apical appendage concave, as wide as thecae; endothecial tissue polarised
  • Style bifid; style branches truncate with obtuse sweeping hairs apically
  • Cypselas oblong, with globose, myxogenic hairs, epidermis smooth
  • Pappus of basally connate, generally plumose bristles

Nomenclature:

  • Syncarpha DC.
    • Candolle: 205 (1810)
    • Nordenstam: 2 (1989)
    • Anderberg: 150 (1991)
    • Anderberg: 363 (1994)
  • Helipterum DC.
    • Candolle: 211 (1838) of other authors in part, name illegitimate
    • Harvey: 256 (1865)

Distribution & Notes:

  • Southern Africa : Species 25; endemic, Western and Eastern Cape

References:

  • ANDERBERG, A.A. 1991. Taxonomy and phylogeny of the tribe Gnaphalieae ( Asteraceae ). Opera Botanica 104
  • ANDERBERG, A.A. 1994. Tribes Inuleae , Plucheeae , Gnaphalieae . In K. Bremer, Asteraceae , cladistics and classification . Timber Press, Portland, Oregon
  • CANDOLLE, A.P. DE. 1810. Composées 2., Annales du Muséum National d'Histoire Naturelle . Paris. 16
  • CANDOLLE, A.P. DE. 1838. Compositae . Prodromus 6. Treuttel & Würtz, Paris
  • HARVEY, W.H. 1865. Compositae . Flora capensis 3
  • NORDENSTAM, B. 1989. A synopsis of the genus Syncarpha ( Compositae - Gnaphalieae ). Compositae Newsletter 17