Phytochemical, morphological, and molecular evidence for the occurrence of the neotropical liverwort Plagiochila stricta in the Canary Islands, new to Macaronesia

D S RyCroft, N J Cole, J Heinrichs, H Groth, C Renker, Thomas Pröschold

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Abstract

Plant material front the Canary Islands similar to Plagiochila spinulosa (Dicks.) Dumort. has been identified as the Neotropical liverwort R stricta. Lindenb. The secondary metabolite profiles of CDCl3 extracts of both Neotropical and Macaronesian specimens of R stricta are distinct from those of R spinulosa in containing alloocimene and neoalloocimene as the principal monoterpenes rather than beta-phellandrene; the two species also show differences in the 9, 10-dihydrophenanthrenes and other aromatic compounds present. Phylogenetic analyses of ITS nrDNA sequence variation place P. spinulosa sister to P. stricta. Morphologically, P. stricta from Tenerife is distinguished most easily front P spinulosa by the scarcely decurrent antical leaf margin.
Original languageEnglish
Pages (from-to)363-372
Number of pages10
JournalBryologist
Volume105
Issue number3
DOIs
Publication statusPublished - 2002

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Keywords

  • DNA
  • RUTILANS
  • KILLARNIENSIS
  • SYNTHASE
  • FERN TRICHOMANES-SPECIOSUM
  • BIBENZYL DERIVATIVES
  • HEPATICAE
  • BRYOPHYTES
  • Plant Sciences

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