Acrodon

Acrodon is a genus of ice plants from South Africa. It comprises 8 species, mostly endangered and all restricted to the southern Cape regions of the Western Cape and Eastern Cape Provinces, South Africa.[2]

Acrodon
Acrodon bellidiflorus, illustration from Plantarum historia succulentarum, 1802.
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Aizoaceae
Subfamily: Ruschioideae
Tribe: Ruschieae
Genus: Acrodon
N.E.Br [1]

Description

Species of Acrodon form dense, low mats or tufts of growth, and their leaves are triangular in cross-section. Another distinctive feature is that the leaves and flowers have a few tiny teeth along the ends of their margins and keels.

The white or pink flowers often have striped petals. The fruits are solid and persistent, with five deep locules.[3]

Species
  • Acrodon bellidiflorus (L.) N.E.Br. A common Renosterveld species that extends from Hermanus to Oudtshoorn.[4]
  • Acrodon deminutus Klak. A rarer species restricted to quartz-fields in the Eastern Rûens Shale Renosterveld and Potberg Ferricrete Fynbos vegetation types.[5]
  • Acrodon duplessiae (Bolus) Glen
  • Acrodon leptophyllus (Bolus) Glen
  • Acrodon parvifolius R.du Plessis. An endangered species restricted to quartz and silcrete patches near to the coast, in the Botrivier area.[6]
  • Acrodon purpureostylus (L.Bolus) Burgoyne. An endangered species restricted to gravelly, loamy shales in the greater Breede river valley, from Robertson down to as far as the Potberg.[7]
  • Acrodon quarcicola H.E.K.Hartmann. An endangered species from exposed quartzitic slopes in the Agulhas region.[8]
  • Acrodon subulatus (Mill.) N.E.Br. An endangered species restricted to shale Renostervelds in the far western Overberg.[9]

Relatives

It is frequently confused with related genera that grow in the same region, such as Brianhuntleya or Cerochlamys.

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References
  1. http://www.theplantlist.org/1.1/browse/A/Aizoaceae/Acrodon/
  2. http://redlist.sanbi.org/genus.php?genus=125
  3. Vlok, J. and Schutte-Vlok, A. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.
  4. Acrodon bellidiflorus - SANBI
  5. Acrodon deminutus - SANBI
  6. Acrodon parvifolius - SANBI
  7. Acrodon purpureostylus - SANBI
  8. Acrodon quarcicola - SANBI
  9. Acrodon subulatus - SANBI


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