Tetraria thermalis

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Tetraria thermalis
Tetraria thermalis01.jpg
Tetraria thermalis04.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Tetraria
Species:
T. thermalis
Binomial name
Tetraria thermalis
(L.) C.B.Clarke
Synonyms
  • Schoenus thermalis L.

Tetraria thermalis (L.) C.B.Clarke, the bergpalmiet, is a South African perennial in the family Cyperaceae. The species is endemic to the Western Cape, from the Cape Peninsula to Nature's Valley, growing on sandy soils and sandstone slopes [1] There are some 50 species of Tetraria in Africa and Australasia, of which about 38 occur in the Cape fynbos. Tetraria, currently, is polyphyletic and in need of taxonomic revision. [2] [3] [4]

This is a pioneer plant which recovers rapidly after fire, aiding the regrowth of other species. It reaches some 2,5 m in height, is trigonous with wiry, drooping yellow-green leaves that are narrowly sword-shaped and keeled. They have scabrid leaf margins armed with minute teeth pointing to the leaf apex. [5] The flowering stems are erect and triangular in cross-section, standing well above the leaves. Nutlets are small and trigonous, often crowned by a persistent style, and are consumed by the Chacma baboon.

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References

  1. ↑ "Operation Wildflower - rescuing indigenous vegetation - Category: Fynbos - Image: Tetraria thermalis, the bergpalmiet".
  2. ↑ "Threatened Species Programme | SANBI Red List of South African Plants".
  3. ↑ "Tetraria thermalis (L.) C.B.Clarke".
  4. ↑ Elliott, T.L.; Muasya, A.M. (2017). "Taxonomic realignment in the southern African Tetraria (Cyperaceae, tribe Schoeneae; Schoenus clade)". South African Journal of Botany. 112: 354–360. doi: 10.1016/j.sajb.2017.06.011 .
  5. ↑ "Tetraria thermalis in Global Plants".


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