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

Asteraceae - Senecioneae - Phaneroglossa B.Nord.

Description :

  • Subshrubs
  • Leaves alternate, linear-lanceolate or oblanceolate, sessile with half-clasping base, coriaceous, with entire to denticulate and often somewhat revolute margins
  • Capitula radiate, solitary, on long peduncles
  • Involucre broadly cup-shaped, ecalyculate; involucral bracts ± 11-15, in 1 row, basally connate, lanceolate, coriaceous, with distinct subscarious margins
  • Receptacle flat and wide, glabrous, smooth, punctate, epaleate
  • Ray florets female, 5-8; tube cylindrical, with few to many gland-tipped hairs; lamina elliptic-oblong, apically trifid, white or cream-coloured
  • Style branches glabrous, apically tipped with conical obtuse appendage
  • Cypselas oblong, with 5 or 6 obliquely curved, wing-like ridges, dark brown to black, glabrous
  • Pappus bristles in many rows, white, barbellate, caducous
  • Disc florets bisexual, many; corolla tubular, apically 5-lobed; lobes ovate, apically papillate
  • Anthers ecalcarate, caudate, bases auriculate; apical appendage ovate, large; endothecial tissue radial
  • Style branches with continuous stigmatic surfaces, apically distinctly conical-convex, outside surface papillate towards apex
  • Cypselas narrowly oblong, with 5 obliquely curved, wing-like ridges, brown, densely hirsute on ridges with mucilaginous hairs
  • Pappus bristles in many rows, white, barbellate, persistent

Nomenclature:

  • Phaneroglossa B.Nord.
    • Nordenstam: 66 (1978)
    • Bremer: 507 (1994)

Distribution & Notes:

  • Southern Africa : Monotypic: Phaneroglossa bolusii (Oliv.) B.Nord., endemic, Northern Cape (Namaqualand) and Western Cape

References:

  • BREMER, K. 1994. Asteraceae , cladistics & classification . Timber Press, Portland, Oregon
  • NORDENSTAM, B. 1978. Taxonomic studies in the tribe Senecioneae ( Compositae ). Opera Botanica 44