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Euphorbia rhombifolia

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Euphorbia rhombifolia
Euphorbia rhombifolia Gifberg.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
E. rhombifolia
Binomial name
Euphorbia rhombifolia
Synonyms [1]
List
  • *Arthrothamnus brachiatusE.Mey. ex Klotzsch & Garcke
  • *Arthrothamnus densiflorusKlotzsch & Garcke
  • *Euphorbia amarifontanaN.E.Br.
  • *Euphorbia bayeriL.C.Leach
  • *Euphorbia catervifloraN.E.Br.
  • *Euphorbia chersinaN.E.Br.
  • *Euphorbia hastisquamaN.E.Br.
  • *Euphorbia mundiiN.E.Br.
  • *Euphorbia perperaN.E.Br.
  • *Euphorbia rudolfiiN.E.Br.
  • *Tirucalia amarifontana(N.E.Br.) P.V.Heath
  • *Tirucalia brachiata(E.Mey. ex Klotzsch & Garcke) P.V.Heath
  • *Tirucalia caterviflora(N.E.Br.) P.V.Heath
  • *Tirucalia chersina(N.E.Br.) P.V.Heath
  • *Tirucalia densiflora(Klotzsch & Garcke) P.V.Heath
  • *Tirucalia perpera(N.E.Br.) P.V.Heath
  • *Tirucalia rhombifolia(Boiss.) P.V.Heath
  • *Tirucalia rudolfii(N.E.Br.) P.V.Heath

Euphorbia rhombifolia is a species of flowering plant in the Euphorbiaceae family. [1] It is native to Namibia and South Africa, where it is widespread in clay-rich soils, extending as far east as Kwazulu-Natal. [2]

Contents

As most other succulent members of the genus Euphorbia, its trade is regulated under Appendix II of CITES. [3]

Description

Euphorbia rhombifolia in cultivation Euphorbia rhombifolia ies.jpg
Euphorbia rhombifolia in cultivation

It grows to 60 or 70 cm in height, with a tuberous root-system that is often eaten by porcupines, and with thin (3-5mm), erect, grey, branching stems. The branches are dichotomous and taper to soft points.

The plants in the south-western Cape (E. caterviflora) are smaller, reaching only 30 cm in height.

The leaves are small (1-3mm), dark, triangular and deciduous. The flowerheads are also small (3mm) and appear from winter into spring. [4]

This species is part of a group of closely related "stick euphorbias" including Euphorbia burmannii and Euphorbia tenax , which are widespread across southern Africa. [5]

References

  1. 1 2 "Euphorbia rhombifolia Boiss". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved September 4, 2020.
  2. ↑ "Threatened Species Programme | SANBI Red List of South African Plants".
  3. ↑ "Species+" . Retrieved 7 February 2023.
  4. ↑ Vlok, J. and Schutte-Vlok, A.L. (2010) Plants of the Klein Karoo. Umdaus Press, Hatfield.
  5. ↑ Bruyns, P.V. (2012). Nomenclature and typification of southern African species of Euphorbia. Bothalia 42(2): 217-245.


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