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

DICOTYLEDON - ASTERIDAE - ASTERALES - Asteraceae - Eremothamneae

Compiled by P.P.J. Herman, E. Retief, M. Koekemoer and W.G. Welman

Description :

  • Erect, much-branched shrubs
  • Leaves alternate, sessile, oblanceolate to thorn-like
  • Capitula radiate or discoid; sessile or subsessile, solitary or in small clusters in axils of distal leaves
  • Involucral bracts multiseriate, glabrous, usually with short apical spine
  • Receptacle epaleate
  • Ray florets (if present) female, corolla yellow, with 3 small apical lobes
  • Disc florets bisexual, 5-lobed, lobes linear, with or without glands or hairs outside; surface cells elongate, with rows of low papillae on marginal cells
  • Anthers calcarate and caudate; endothecial cells with transverse thickenings in basal half only; apical appendage of thin-walled cells
  • Style branches elongate, slender, with single continuous stigmatic surface inside each branch, with sweeping hairs on top of shaft and on backs of branches consisting of 2 or 3 cells divided longitudinally
  • Cypselas prismatic, densely setuliferous with long biseriate hairs
  • Pappus capillary, in 2 or 3 rows, inner bristles sometimes narrowly winged below

Nomenclature:

  • Eremothamneae
    • Robinson & Brettell: 164 (1973)
    • Robinson: 34 (1994)

Distribution & Notes:

  • Southern Africa : Genera 2, endemic

References:

  • ROBINSON, H. 1994. Notes on the tribes Eremothamneae , Gundulieae and Moquinieae with comparisons of their pollen. Taxon 43
  • ROBINSON, H. & BRETTELL, R.D. 1973. Tribal revisions in the Asteraceae . 11. A new tribe Eremothamneae . Phytologia 26

Resources:

  • Eremothamneae genera:
Eremothamnus Hoplophyllum