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Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Thomandersiaceae
Genus: Thomandersia

See text


Scytanthus T. Anderson ex Benth. & Hook.f., illegitimate homonym, 1876 not Hook. 1844 (Apocynaceae) nor Liebm. 1847 (Rafflesiaceae)[1]

Thomandersia is the sole genus in the Thomandersiaceae, an African family of flowering plants. Thomandersia is a genus of shrubs and small trees, with six species native to Central and West Africa.[3]

Thomandersia traditionally has been classified within the family Acanthaceae based on morphology by several authors, including APG I 1998, APG II 2003, and in Schlegeliaceae at APG Website Missouri Botanical Garden, in a list of genera of this family, but Stevens argues further that should be considered out of this taxon by weak support and regarded Thomandersiaceae.[4]

The genus was elevated to family status, previously by Sreemadhavan 1976 [5] and 1977 [6] on the basis of leaf anatomy and anther morphology, and more recently by Wortley et al. 2005 [7] and 2007,[8] based on phylogenetic analyses of genetic material.

The genus was described with this name in 1892 by French botanist Henri Ernest Baillon.[9][2]


The genus includes the following species:[3]


  1. ^ Tropicos, search for Scytanthus
  2. ^ a b Tropicos, Thomandersia Baill.
  3. ^ a b Kew World Checklist of Selected Plant Families
  4. ^ "Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website Version 7, May 2006". Missouri Botanical Garden. Retrieved 2007-08-09. 
  5. ^ Sreemadhavan, C. P. (1976). Leaf architecture and systematics of Acanthaceae and related families. Ph.D. thesis. Tampa, FL:University of South Florida.
  6. ^ Sreemadhavan, C. P. (1977). Diagnosis of some new taxa and some new combinations in Bignoniales. Phytologia 37: 413–416.
  7. ^ Wortley, A.H., Rudall, P. J., & Scotland, R.W. (2005). How much data are needed to resolve a difficult phylogeny? Case study in Lamiales. Systematic Biology 54: 697–709.
  8. ^ Wortley, A.H., Harris, D.J. & Scotland, R.W.; Harris, D. J.; Scotland, R. W. (2007). "On the Taxonomy and Phylogenetic Position of Thomandersia". Systematic Botany. 32 (2): 415–444. doi:10.1600/036364407781179716. 
  9. ^ Baillon, Henri Ernest. 1892. Histoire des Plantes 10: 456 in Latin