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

Asteraceae - Gnaphalieae - Philyrophyllum O.Hoffm.

Description :

  • Perennial herbs, glandular
  • Leaves alternate, petiolate, triangular, glandular-hairy, margin dentate
  • Capitula radiate, small, in loose corymbs
  • Involucre campanulate; bracts in 4 rows, lanceolate, glandular; inner ciliate; stereome undivided
  • Receptacle flat, paleate; paleae linear, as long as disc florets, concave, ciliate
  • Ray florets female; corolla yellow, 3-toothed, in 1 row, fewer than disc florets
  • Pappus a crown of scales
  • Disc florets bisexual, fertile; corolla yellow; tube widening above, 5-lobed, lobes strongly retrofract
  • Anthers calcarate and caudate; apical appendage flat; endothecial tissue polarised
  • Style bifid; style branches obtuse with obtuse sweeping hairs dorsally, not reaching furcation; stigmatic surfaces basally separated but apically confluent
  • Cypselas sparsely hairy with elongated twin hairs and glandular hairs
  • Pappus of few, free, barbellate, caducous bristles in 1 row and small crown of scales

Nomenclature:

  • Philyrophyllum O.Hoffm.
    • Hoffmann: 206, 208 (1889)
    • Merxmüller: 146 (1967)
    • Anderberg: 43 (1991)
    • Anderberg: 326 (1994)
    • Herman: 107 (1999)

Distribution & Notes:

  • Global : Monotypic: Philyrophyllum schinzii O.Hoffm., south-tropical Africa; Angola, Zimbabwe, southern Africa
  • Southern Africa : Namibia, Botswana, Northern Province, North-West, Gauteng and Mpumalanga

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
  • HERMAN, P.P.J. 1999. Asteraceae . A note on the genus Philyrophyllum . Bothalia 29,1
  • HOFFMANN, K.A.O. 1889. Compositae . Die natürlichen Pflanzenfamilien 4,5
  • MERXMÜLLER, H. 1967. Asteraceae . Prodromus einer Flora von Südwestafrika 139