Arachnothryx

Arachnothryx
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Eudicots
Clade:Asterids
Order:Gentianales
Family:Rubiaceae
Subfamily:Cinchonoideae
Tribe:Guettardeae
Genus:Arachnothryx
Planch.
Type species
Arachnothryx leucophylla
Synonyms

Arachnothryx is a genus of flowering plants in the Rubiaceae family. It contains about 107 species. It is found from Mexico to Peru and in Trinidad.[1]

Taxonomy

Arachnothryx was named by Jules Émile Planchon in 1849.[2][3] This generic name is derived from Ancient Greek: arachne or arachnos, "a spider", and thrix or trichos, "hair".[4]

As currently circumscribed, Arachnothryx is paraphyletic over Cuatrecasasiodendron, Gonzalagunia, and Javorkaea. Some authors have included these genera in a broadly defined Rondeletia, but molecular phylogenetic studies have shown that they are more closely related to Guettarda than to Rondeletia.[5]

Species

References

  1. ↑ "Arachnothryx in the World Checklist of Rubiaceae". Retrieved January 2013. Check date values in: |accessdate= (help)
  2. ↑ Arachnothryx In: International Plant Names Index. (see External links below).
  3. ↑ Jules Émile Planchon. 1849. Flore des Serres et des Jardins de l'Europe 5:442 and illustration. (see External links below).
  4. ↑ Quattrocchi U (2000). CRC World Dictionary of Plant Names. 1. Boca Raton, New York, Washington DC, London: CRC Press. ISBN 978-0-8493-2675-2.
  5. ↑ Manns U, Bremer B (2010). "Towards a better understanding of intertribal relationships and stable tribal delimitations within Cinchonoideae s.s. (Rubiaceae)" (PDF). Molecular Phylogenetics and Evolution. 56 (1): 21–39. doi:10.1016/j.ympev.2010.04.002. PMID 20382247. Archived from the original (PDF) on 2011-09-27.
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