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{{Taxobox
| name = ''Euphorbia milii''
| status = DD
| status_system = IUCN3.1
| image = Euphorbia Milii flowers.jpg
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Dicotyledon|Magnoliopsida]]
| ordo = [[Malpighiales]]
| familia = [[Euphorbiaceae]]
| genus = ''[[Euphorbia]]''
| species = '''''E. milii'''''
| binomial = ''Euphorbia milii''
| binomial_authority = [[Desmoul.]]}}
'''''Euphorbia milii''''' ('''Crown-of-thorns''' or '''Christ Plant''') is a species of ''[[Euphorbia]]'' native to [[Madagascar]].
It is a [[succulent]] climbing [[shrub]] growing to 1.8 m tall, with densely spiny stems, the straight, slender spines up to 3 cm long, which help it scramble over other plants. The [[leaf|leaves]] are obovate, up to 3.5 cm long and 1.5 cm broad. The [[flower]]s are small, subtended by a pair of conspicuous petal-like [[bract]]s, variably red, pink or white, up to 12 mm broad.<ref name="rhs">Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. ISBN 0-333-47494-5</ref>
===Varieties===
It is a variable species, and several [[variety (biology)|varieties]] have been described; some of these are treated as distinct species by some authors.<ref name="rhs"/>
[[Image:Euphorbia milii var.milii.JPG|250px|right|thumb|''Euphorbia milii var.milii'']]
*''Euphorbia milii'' var. ''bevilaniensis'' <small> ([[Croizat]]) [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''hislopii'' <small> ([[N.E.Br.]]) [[Ursch]] & [[Leandri]] 1955</small> (syn. ''E. hislopii'')
*''Euphorbia milii'' var. ''imperatae'' <small> ([[Leandri]]) [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''longifolia'' <small> [[Rauh]] 1967</small>
*''Euphorbia milii'' var. ''milii''
*''Euphorbia milii'' var. ''roseana'' <small> [[Marn.-Lap.]] 1962</small>
*''Euphorbia milii'' var. ''splendens'' <small> ([[Bojer]] ex [[Hook.]]) [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''tananarivae'' <small> ([[Leandri]]) [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''tenuispina'' <small> [[Rauh]] & [[Razaf.]] 1991</small>
*''Euphorbia milii'' var. ''tulearensis'' <small> [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''vulcanii'' <small> ([[Leandri]]) [[Ursch]] & [[Leandri]] 1955</small>
==Trivia==
[[Wat Phrik]] in the [[Amphoe Mueang Phitsanulok|Phitsanulok District]] of [[Phitsanulok Province]], [[Thailand]] claims to be the home of the world's tallest Christ plant.
<ref name="ThaiTambon.com">[http://www.thaitambon.com/tambon/ttambon.asp?ID=650104 ThaiTambon.com]</ref>
==References==
<references/>
<gallery>
Image:Euphorbia milii var. splendens, flower.jpg|''Euphorbia milii var. splendens''
Image:E milii vulcanii ies.jpg|''Euphorbia milii var. vulcanii''
Image:Euphorbia sp 01.jpg|''Euphorbia milii''
</gallery>
{{Commons|Euphorbia milii}}
[[Category:Flora of Madagascar]]
[[de:Christusdorn (Euphorbia)]]
[[es:Euphorbia milii]]
[[fr:Euphorbia milii]]
[[id:Euphorbia milii]]
[[it:Euphorbia milii]]
[[lt:Dygliuotoji karpažolė]]
[[ml:യൂഫോര്ബിയ]]
[[pt:Coroa-de-cristo]]
[[sq:Euphorbia milii]]
[[sv:Kristi törnekrona]]
[[vi:Cây xương rắn]]
[[zh:虎刺梅]]
| name = ''Euphorbia milii''
| status = DD
| status_system = IUCN3.1
| image = Euphorbia Milii flowers.jpg
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Dicotyledon|Magnoliopsida]]
| ordo = [[Malpighiales]]
| familia = [[Euphorbiaceae]]
| genus = ''[[Euphorbia]]''
| species = '''''E. milii'''''
| binomial = ''Euphorbia milii''
| binomial_authority = [[Desmoul.]]}}
'''''Euphorbia milii''''' ('''Crown-of-thorns''' or '''Christ Plant''') is a species of ''[[Euphorbia]]'' native to [[Madagascar]].
It is a [[succulent]] climbing [[shrub]] growing to 1.8 m tall, with densely spiny stems, the straight, slender spines up to 3 cm long, which help it scramble over other plants. The [[leaf|leaves]] are obovate, up to 3.5 cm long and 1.5 cm broad. The [[flower]]s are small, subtended by a pair of conspicuous petal-like [[bract]]s, variably red, pink or white, up to 12 mm broad.<ref name="rhs">Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. ISBN 0-333-47494-5</ref>
===Varieties===
It is a variable species, and several [[variety (biology)|varieties]] have been described; some of these are treated as distinct species by some authors.<ref name="rhs"/>
[[Image:Euphorbia milii var.milii.JPG|250px|right|thumb|''Euphorbia milii var.milii'']]
*''Euphorbia milii'' var. ''bevilaniensis'' <small> ([[Croizat]]) [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''hislopii'' <small> ([[N.E.Br.]]) [[Ursch]] & [[Leandri]] 1955</small> (syn. ''E. hislopii'')
*''Euphorbia milii'' var. ''imperatae'' <small> ([[Leandri]]) [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''longifolia'' <small> [[Rauh]] 1967</small>
*''Euphorbia milii'' var. ''milii''
*''Euphorbia milii'' var. ''roseana'' <small> [[Marn.-Lap.]] 1962</small>
*''Euphorbia milii'' var. ''splendens'' <small> ([[Bojer]] ex [[Hook.]]) [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''tananarivae'' <small> ([[Leandri]]) [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''tenuispina'' <small> [[Rauh]] & [[Razaf.]] 1991</small>
*''Euphorbia milii'' var. ''tulearensis'' <small> [[Ursch]] & [[Leandri]] 1955</small>
*''Euphorbia milii'' var. ''vulcanii'' <small> ([[Leandri]]) [[Ursch]] & [[Leandri]] 1955</small>
==Trivia==
[[Wat Phrik]] in the [[Amphoe Mueang Phitsanulok|Phitsanulok District]] of [[Phitsanulok Province]], [[Thailand]] claims to be the home of the world's tallest Christ plant.
<ref name="ThaiTambon.com">[http://www.thaitambon.com/tambon/ttambon.asp?ID=650104 ThaiTambon.com]</ref>
==References==
<references/>
<gallery>
Image:Euphorbia milii var. splendens, flower.jpg|''Euphorbia milii var. splendens''
Image:E milii vulcanii ies.jpg|''Euphorbia milii var. vulcanii''
Image:Euphorbia sp 01.jpg|''Euphorbia milii''
</gallery>
{{Commons|Euphorbia milii}}
[[Category:Flora of Madagascar]]
[[de:Christusdorn (Euphorbia)]]
[[es:Euphorbia milii]]
[[fr:Euphorbia milii]]
[[id:Euphorbia milii]]
[[it:Euphorbia milii]]
[[lt:Dygliuotoji karpažolė]]
[[ml:യൂഫോര്ബിയ]]
[[pt:Coroa-de-cristo]]
[[sq:Euphorbia milii]]
[[sv:Kristi törnekrona]]
[[vi:Cây xương rắn]]
[[zh:虎刺梅]]