Euphorbia royleanaBoiss .
Sullu Spurge , Royle ’s Spurge
Euphorbia pentagona

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Family : EuphorbiaceaeSubfamily : EuphorbioideaeTribe : EuphorbieaeSubtribe : EuphorbiinaeGenus : Euphorbia
Euphorbia royleanais a deciduous cactus - like shrub or pocket-size tree build up with thorn along its outgrowth . It can grow to 16.5 feet ( 5 m ) tall . The branches are fleshy , gullible , segment , have 5 to 7 rib . They become leafless during hot and cold seasons . The main root word can arrive at up to 20 inches ( 50 cm ) , while the branch can grow up to 3 inch ( 7.5 cm ) thick . The foliage are alternate and bunch at the peak of the branches .
The cyathia are small , green - yellow , and appear in almost stalkless cluster of 3 to 4 in foliage axils in spring and other summertime .

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USDA hardiness zones9b to 11b : from 25 ° F ( −3.9 ° C ) to 50 ° F ( +10 ° carbon ) .
Euphorbias are very easy to care for . These plants require a slight pampering to become established , but once they are , they are self - sufficient . In fact , more cash in one’s chips from too much care and tearing than from neglect . Euphorbias needwell - debilitate soiland lots of sunlight . They are not particular about soil pH , but they can not put up plastered soil . Unlike most succulents , Euphorbiadoes not manage long catamenia of drought well . It may postulate hebdomadal tearing during the summertime . Waterwhenever the soil is dry several inch below the Earth’s surface . water system deep , but do n’t have them sit down in fuddled grunge , which can cause rootage rot . contribute some organic matter or fertilizer to the planting hole . course with a half - strength plant food monthly if you are grow them in containers or your soil is pitiable .
These succulent can be grow from seed , but they can be difficult to shoot ( or even find ) . They are commonly propagated by press clipping . This can be tricky because of the exuding sap . Rooting internal secretion is advocate withEuphorbias . They tend to grow job - free , but a few gadfly and disease are to be awake for .

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See more atHow to arise and Care for Euphorbia .
Euphorbia royleanagrows right across theHimalayasfromPakistan , India , Bhutan , Myanmar , andNepalto westernChina .
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