Euphorbia milii, the crown of thorns, Christ plant, or Christ thorn, is a species of flowering plant in the spurge family Euphorbiaceae, native to Madagascar. The species name commemorates Baron Milius, once Governor of Réunion, who introduced the species to France in 1821. It is imagined that the species was introduced to the Middle East in ancient times, and legend associates it with the crown of thorns worn by Christ. It is commonly used as an ornamental houseplant that can be grown in warmer climates. The common name is due to the thorns and deep red bracts referring to the crown thorn Jesus had to wear during his crucifixion and his blood.
Euphorbia ambovombensis is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. It is native to the area around Ambovombe at the southern end o the island, where it is locally common. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. It is threatened by habitat loss.
Euphorbia analalavensis is a species of plant in the family Euphorbiaceae. It is native to northern and western Madagascar and the Comoro Islands. Its natural habitat is dry deciduous forest and rocky areas between 50 and 400 meters elevation. It is threatened by habitat loss.
Euphorbia beharensis is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland. It is threatened by habitat loss.
Euphorbia boivinii is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
Euphorbia bosseri is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss. The species epithet commemorates Jean Marie Bosser, a Mauritian botanist who contributed largely to the flora of Madagascar.
Euphorbia cap-saintemariensis is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is rocky areas. It is threatened by habitat loss.
Euphorbia capuronii is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. It is threatened by habitat loss.
Euphorbia delphinensis is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is rocky areas. It is threatened by habitat loss.
Euphorbia geroldii commonly called Gerold's Spurge or Thornless Crown of Thorns a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
Euphorbia gottlebei is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is rocky areas. It is threatened by habitat loss.
Euphorbia grandidieri is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is sandy shores. It is threatened by habitat loss.
Euphorbia horombensis is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is rocky areas. It is threatened by habitat loss.
Euphorbia leuconeura is a species of flowering plant in the family Euphorbiaceae. Its common name is Madagascar jewel. It is endemic to Madagascar where its natural habitat is forest undergrowth in rocky areas. It can grow to a height of 1.8 m (6 ft), as a branching small tree, and propagates by shooting its seeds several feet into the air. It is threatened by habitat loss.
Euphorbia pachypodioides is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is rocky areas. It is threatened by habitat loss. It also has the binomial synonym Euphorbia antankara.
Euphorbia physoclada is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
Euphorbia platyclada is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
Euphorbia primulifolia is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical seasonally wet or flooded lowland grassland, subtropical or tropical high-altitude grassland, and rocky areas.this plant smells. It is threatened by habitat loss.
Euphorbia rossii is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is rocky areas. It is threatened by habitat loss. It has reddish-yellow cyathia.
François Pellegrin was a French botanist, who specialised in the plants of tropical Africa.
