Cleretum

Cleretum is a genus of flowering plants in the family Aizoaceae, native to the Cape Provinces of South Africa.[1]

Cleretum
Cleretum bellidiforme at West Coast National Park, South Africa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Aizoaceae
Subfamily: Ruschioideae
Tribe: Dorotheantheae
Genus: Cleretum
N.E.Br.[1]
Synonyms[1]
  • Aethephyllum N.E.Br.
  • Dorotheanthus Schwantes
  • Micropterum Schwantes
  • Pherolobus N.E.Br.
  • Sineoperculum van Jaarsv.
  • Stigmatocarpum L.Bolus

Taxonomy

The genus Cleretum was erected by Nicholas Edward Brown in 1925. He published the name in a key, basing the diagnosis on a herbarium sheet that was discovered to contain parts belonging to plants in different genera and without designating a type. This caused confusion as to whether the genus had been validly published and whether genus names published later were synonyms or not. It was established in 1985 that Cleretum was validly published, and that Micropterum was a later synonym. Cleretum papulosum was designated as the type species.[2] Cleretum is placed in the tribe Dorotheantheae. A study in 2012 concluded that the genera previously separated in the Dorotheantheae did not differ sufficiently to be recognized, and placed them all in Cleretum, now the only genus in the tribe.[3]

Species

As of March 2019, Plants of the World Online accepted the following 13 species:[1]

  • Cleretum apetalum (L.f.) N.E.Br.
  • Cleretum bellidiforme (Burm.f.) G.D.Rowley
  • Cleretum booysenii (L.Bolus) Klak
  • Cleretum bruynsii Klak
  • Cleretum clavatum (Haw.) Klak
  • Cleretum herrei (Schwantes) Ihlenf. & Struck
  • Cleretum hestermalense (Ihlenf. & Struck) Klak
  • Cleretum lyratifolium Ihlenf. & Struck
  • Cleretum maughanii (N.E.Br.) Klak
  • Cleretum papulosum (L.f.) N.E.Br.
  • Cleretum patersonjonesii Klak
  • Cleretum pinnatifidum (L.f.) N.E.Br.
  • Cleretum rourkei (L.Bolus) Klak

References
  1. "Cleretum N.E.Br.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-03-26
  2. Struck, M. & Ihlenfeldt, H.-D. (1985), "The Correct Names of the Genera in the Subtribe Dorotheanthinae (Mesembryanthemaceae)", Taxon, 34 (3): 520, doi:10.2307/1221232, JSTOR 1221232
  3. Klak, Cornelia & Bruyns, Peter V. (2012), "Phylogeny of the Dorotheantheae (Aizoaceae), a tribe of succulent annuals", Taxon, 61 (2): 293–307, doi:10.1002/tax.612002, JSTOR 23210522
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