e-Key <span id="jodit_selection_marker_1709034334422_9478252923616561" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Do<span id="jodit_selection_marker_1709034334422_5071140542639274" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ellia
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Plucheeae - Doellia Sch.Bip. emended Anderb.

Description:

  • Perennial herbs or subshrubs
  • Leaves alternate, linear-oblong to oblong-lanceolate, dentate, serrate or almost entire, hairy or subglabrous, auriculate but not decurrent
  • Capitula disciform, campanulate, terminal, solitary or few together in lax corymb
  • Involucral bracts imbricate, narrowly linear
  • Receptacle flat, epaleate
  • Marginal florets female; corolla filiform, 3-lobed, yellow or purplish
  • Disc florets bisexual; corolla yellow or purplish, 5-lobed
  • Anthers calcarate and caudate; endothecial tissue radial
  • Style bifid; style branches with obtuse sweeping hairs reaching far below furcation
  • Cypselas oblong, sparsely hairy, with few conspicuous red resin ducts; epidermis cells without elongated crystals
  • Pappus of barbellate bristles in 1 row and small inconspicuous coroniform ridge

Nomenclature:

  • Doellia Sch.Bip. emended Anderb.
    • Anderberg: 21 (1995)
    • Anderberg: 162 (1991)
    • Anderberg: 299 (1994)

Distribution & Notes:

  • Global: Species 2, Africa, Arabia and Madagascar
  • Southern Africa: Species 1: Doellia cafra (DC.) Anderb., Namibia, Botswana, Northern Province, Gauteng, Mpumalanga, Swaziland, KwaZulu-Natal and Eastern Cape

References:

  • ANDERBERG, A.A. 1991. Taxonomy and phylogeny of the tribe Plucheeae (Asteraceae). Plant Systematics and Evolution 176
  • ANDERBERG, A.A. 1994. Tribes Inuleae, Plucheeae, Gnaphalieae. In K. Bremer, Asteraceae, cladistics and classification. Timber Press, Portland, Oregon
  • ANDERBERG, A.A. 1995. Doellia, an overlooked genus in the Asteraceae-Plucheeae. Willdenowia 25