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Family: EUPHORBIACEAE 

 Euphorbia milii
 

This is E. m. var. tenuispina which forms a perfect caudex. Photo by Voytek Zychowski.

  
Author:  Charles Robert Alexandre Des Moulins 1826
Family:  Euphorbiaceae
Habitat:  Central - South Madagascar
Soil:  Mix
Water:  Medium
Sun:  Medium
Thickness:  15 Centimetres
Height:  180 Centimetres
Flower:  White - Pink - Red
Reproduction:  Seed/Cuttings
Pop names:  Crown of Thorns, Christ plant, Christ Thorn
Synonyms:  Euphorbia bojeri Hooker 1836. Euphorbia bojeri var. mucronulata Ram. Goyena 1909. Euphorbia breonii Noissette 1836. Euphorbia splendens Bojer ex Hooker 1829. Euphorbia splendens subsp. bojeri (Hook.) Denis 1921. Sterigmanthe bojeri  Klotsch & Garcke 1859. Tumalis bojeri (Hook.) Raf. 1838.

Photo by Voytek Zychowski.

Photo by Marc Altenloh.

   This member of the Euphorbiaceae family was given this name by Charles Robert Alexandre Des Moulins in 1826. It is found on Madagascar from the Fort Dauphin area; 20 km south of Betroka; mountains near Ihosy, between Antsirabe and Fianarantsoa; north of Antananarivo, near Maevatanana; on the High Plateau near Imerina; Zombitse forest (Sakaraha) and at Le Table mountain near Tulear. It is found in busk and forests, growing in a well drained granite gravel with some water and some sun. The caudex can grow to fifteen centimetres in diameter, the entire plant to 180 centimetres in height. The flowers are from white over pink to red.

This variation; tenuispina was given this name by Werner Rauh and Alfred Razafindratsira in 1991.

Beside from this, there are several variations and forma:

Euphorbia milii var. bevilanensis  Ursch & Leandri 1946.
Euphorbia milii var. bosseri Rauh 1970.
Euphorbia milii var. hislopii Leandri 1954.
Euphorbia milii var. imperatae Ursch & Leandri 1955.
Euphorbia milii var. longifolia Rauh 1967.
Euphorbia milii fo. lutea Leandri 1952.
Euphorbia milii fo. platyacantha Leandri 1952.
Euphorbia milii var. roseana Marnier-Lapostolle 1962.
Euphorbia milii var. splendens Ursch & Leandri 1954.
Euphorbia milii var. tananarive Leandri 1946.
Euphorbia milii var. tulearensis Ursch & Leandri 1954.
Euphorbia milii var. vulcani Leandri 1946.

Several of these, including E. m. var. tenuispina are believed to be extinct in the wild.

The genera is named in honour of M. le baron Milius, the Governor of then Ile Bourbon (Mauritius) and Governor of Réunion.

Photo by Voytek Zychowski.