e-Key v<span id="jodit_selection_marker_1710932689825_9602559751602402" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>3 - *Mon<span id="jodit_selection_marker_1710932689825_5612056606040239" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>tanoa
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Heliantheae - *Montanoa La Llave & Lex.

Description:

  • Shrubs
  • Leaves opposite, petiolate, broadly ovate, palmately lobed, finely toothed, softly pubescent
  • Capitula radiate, in corymbose panicles
  • Involucre hemispherical; bracts in 1-3 rows
  • Receptacle convex or conical; paleae conduplicate, becoming very large and papery after anthesis
  • Ray florets neuter; corolla strap-shaped, white
  • Disc florets bisexual, fertile; corolla yellow, tubular below, campanulate above, 5-lobed
  • Anthers obtuse at base, apical appendage narrowly deltoid
  • Style branches oblong, apices deltoid, papillae present on outside
  • Cypselas obpyramidal or obovoid, ± 4-angled, apically with ring-shaped collar
  • Pappus 0
  • x = 19 (aneuploids)

Nomenclature:

  • *Montanoa La Llave & Lex.
    • La Llave & Lexarza: 11 (1825)
    • Wild: 57 (1967)
    • Hilliard: 305 (1977)
    • Funk: 1 (1982)
    • Karis & Ryding: 583 (1994)

Distribution & Notes:

  • Global: Species 25, in Mexico, Central America, northern part of South America
  • Southern Africa: A species from Mexico: *Montanoa hibiscifolia Benth. has become naturalised, mainly in the coastal areas of KwaZulu-Natal and at Port St Johns (Eastern Cape)

References:

  • FUNK, V.A. 1982. The systematics of Montanoa (Asteraceae, Heliantheae). Memoirs of the New York Botanical Garden 36
  • HILLIARD, O.M. 1977. Compositae in Natal. University of Natal Press, Pietermaritzburg
  • KARIS, P.O. & RYDING, O. 1994. Tribes Helenieae and Heliantheae. In K. Bremer, Asteraceae, cladistics and classification. Timber Press, Portland, Oregon
  • LA LLAVE P. DE & LEXARZA, J. 1825. Novorum vegetabilium descriptiones 2. M. Rivera, Mexico
  • WILD, H. 1967. The Compositae of the Flora zambesiaca area, 1. Kirkia 6