Callicephalus

Callicephalus is a monotypic genus of flowering plants in the aster family, Asteraceae, containing the single species Callicephalus nitens. It is native to the middle and low mountains of the Caucasus,[1] where it has been recorded in Armenia, Azerbaijan, Georgia, Russia, and Turkey.[2]

Callicephalus
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Subfamily:
Carduoideae
Tribe:
Cynareae
Genus:
Callicephalus

Species:
C. nitens
Binomial name
Callicephalus nitens
(Willd.) C.A.Mey.

The genus is considered part of the Rhaponticum group in the Asteraceae tribe Cynareae, but according to molecular analyses it has no close relatives. Its isolation in the phylogeny of the tribe suggests it is a relict taxon, one of many relict plants that grow in the Caucasus.[1]

References
  1. Hidalgo, O., et al. (2006). Phylogeny of Rhaponticum (Asteraceae, Cardueae–Centaureinae) and related genera inferred from nuclear and chloroplast DNA sequence data: taxonomic and biogeographic implications. Annals of Botany 97(5), 705-14.
  2. Callicephalus nitens occurrence. Euro+Med PlantBase. 2006.

Further reading


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