Plant Systematics and Evolution

, Volume 223, Issue 1–2, pp 1–13 | Cite as

Controversial taxonomy of Strumariinae (Amaryllidaceae) investigated by nuclear rDNA (ITS) sequences

1.Hessea, Namaquanula, Kamiesbergia, andDewinterella
  • Katja Weichhardt-Kulessa
  • Thomas Börner
  • Jürgen Schmitz
  • Ute Müller-Doblies
  • Dietrich Müller-Doblies


Two opposing opinions concerning the generic differentiation of Amaryllidaceae subtribe Strumariinae two taxonomic opinions were published in the last decade. According to Müller-Doblies and Müller-Doblies (1985, 1994) the Strumariinae includes eight genera, among themHessea, Namaquanula, andDewinterella. Snijman (1991) described the new genusKamiesbergia and acceptedNamaquanula (1992). Of the entire complex she recognized onlyHessea (Snijman 1994). The sectionMyophila was simultaneously described as the genusDewinterella by Müller-Doblies and Müller-Doblies.

The possible phylogenetic relationships of eight species belonging to these taxa are estimated from the sequences of the ITS regions of the 18S-25S rDNA. Two species ofNerine are used as the outgroup. The sequences of these taxa are analyzed with maximum parsimony, distance, and maximum likelihood methods. In all phylogenetic reconstructionsNamaquanula is confirmed to be an independant clade aside from all other six species of the Strumariinae. In this groupHessea andDewinterella turn out to be sister groups.Hessea stenosiphon (subgenusKamiesbergia) is the sister taxon ofH. breviflora.

Key words

Amaryllidaceae Strumariinae Phylogeny ITS 1 ITS 2 18S rDNA 25S rDNA maximum parsimony analysis distance analysis maximum likelihood analysis 


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Copyright information

© Springer-Verlag 2000

Authors and Affiliations

  • Katja Weichhardt-Kulessa
    • 1
  • Thomas Börner
    • 2
  • Jürgen Schmitz
    • 3
  • Ute Müller-Doblies
    • 4
  • Dietrich Müller-Doblies
    • 1
  1. 1.Institut für Ökologie und BiologieTechnische Universität BerlinBerlinGermany
  2. 2.Institut für Biologie (Genetik)Humboldt-Universität zu BerlinBerlinGermany
  3. 3.Deutsches PrimatenzentrumGöttingenGermany
  4. 4.BerlinGermany

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