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Cytotaxonomic notes on the tribe Helieae (Gentianaceae)

Auteur(s)
Trunz, Vincent
Zeltner, Louis
Küpfer, Philippe 
Institut de biologie 
Grant, Jason 
Institut de biologie 
In
Harvard Papers in Botany, Harvard University Herbaria, 2012/17/1/43-46
Mots-clés
  • Chromosome number
  • cytology
  • Gentianaceae
  • Helieae
  • Neotropics
  • Taxonomy
  • Chromosome number

  • cytology

  • Gentianaceae

  • Helieae

  • Neotropics

  • Taxonomy

Résumé
A survey of all known chromosome counts of gentian tribe Helieae are presented including new reports for ten species. Amongst the novelties are four genera of the Gentianaceae that are reported for the first time, <i>Calolisianthus</i> and <i>Helia</i> (both Helieae), and <i>Schultesia</i> and <i>Zygostigma</i> (both Chironieae). In the Helieae, our results reinforce the hypothesis of Weaver 1969 that two ploidy series occur in the tribe, one polyploid based on n = 20 and one dysploid based on n = 21. The basal chromosome number for the Helieae remains to be determined.
Identifiants
https://libra.unine.ch/handle/123456789/7361
_
10.3100/025.017.0109
Type de publication
journal article
Dossier(s) à télécharger
 main article: Trunz_V.-Cytotaxonomic_notes-20150623.pdf (1.61 MB)
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