Clusia hirsuta, a New Species from Clusia sect. Retinostemon and the First Description of Trichomes in the Genus

  • Manuel Luján Rancho Santa Ana Botanic Garden
  • Álvaro Idárraga Herbario Universidad de Antioquia (HUA)
  • Barry Hammel Missouri Botanical Garden
Keywords: Clusia, Clusiaceae, section Retinostemon, trichomes


Clusia hirsuta Hammel (Clusiaceae), a new species from the Pacific wet forest in Colombia and Ecuador, is described. Trichomes are reported here for the first time in the genus and described using micromorphological techniques. Morphological and molecular data are used to establish the phylogenetic position of this newly described taxon within the genus Clusia L.