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

Asteraceae - Anthemideae - Eumorphia DC.

Description :

  • Shrubs or shrublets, glabrous or pubescent
  • Leaves opposite, rarely alternate, ericoid, sometimes clustered, entire or lobed
  • Capitula radiate, terminal, solitary, rarely corymbose, shortly pedunculate or subsessile
  • Involucre campanulate to subglobose; bracts in 3-5 rows, outer sometimes with 2-5 glands on back near apex, inner ciliate near apex, sometimes all with broad, membranous apex
  • Receptacle flat or convex, rarely conical, paleate or sometimes epaleate; paleae longer than disc florets, linear, sometimes with bent, apical appendage
  • Ray florets female, fertile; corolla white, tube with oblong to linear, 3-toothed lamina 2-4 times as long as tube, glandular
  • Disc florets bisexual, fertile; corolla tube sometimes campanulate above, with 5 ovate lobes
  • Anthers ecalcarate and ecaudate, with linear, apical appendage; endothecial tissue polarised
  • Style linear, with linear, truncate branches
  • Cypselas 10-12-ribbed, rarely up to 18-ribbed, minutely papillose especially on ribs, with apical rim
  • Pappus 0

Nomenclature:

  • Eumorphia DC.
    • Candolle: 2 (1838)
    • Harvey: 153 (1865)
    • Grierson: t. 608 (1972)
    • Källersjö: 538 (1985)
    • Bremer & Humphries: 94 (1993)
    • Bremer: 448 (1994)

Distribution & Notes:

  • Southern Africa : Species 6, endemic, Northern Province, Mpumalanga, Swaziland, Free State, KwaZulu-Natal, Western and Eastern Cape

References:

  • BREMER, K. 1994. Asteraceae , cladistics & classification . Timber Press, Portland, Oregon
  • BREMER, K. & HUMPHRIES, C. 1993. Generic monograph of the Asteraceae - Anthemideae . Bulletin of the Natural History Museum, Botany Series 23
  • CANDOLLE, A.P. DE. 1838. Compositae . Prodromus 6. Treuttel & Würtz, Paris
  • GRIERSON, A.J.C. 1972. Eumorphia sericea . Curtis's Botanical Magazine 178, new series
  • HARVEY, W.H. 1865. Compositae . Flora capensis 3
  • KÄLLERSJÖ, M. 1985. Fruit structure and generic delimitation of Athanasia ( Asteraceae - Anthemideae ) and related South African genera. Nordic Journal of Botany 5