Euphorbia guillauminianaBoiteau
Family : EuphorbiaceaeSubfamily : EuphorbioideaeTribe : EuphorbieaeSubtribe : EuphorbiinaeGenus : Euphorbia
The specific epithet " guillauminiana " ( pronounced gwil - lou - minute - ee - AY - nuh ) honorsAndré Guillaumin(1885 - 1974 ) , a French botanist .
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Euphorbia guillauminianais autochthonal toMadagascar . It take place on basaltic rocks in the Analalava District .
Euphorbia guillauminianais a densely branchedsucculent shrubwith thick , overweight branch with spines arrange in 8 rows . It can farm up to 3.3 feet ( 1 m ) tall . The folio are smooth , sheeny , dark green , and set in rosette at the lead of the branches . They can measure up to 0.8 in ( 2 cm ) in length and 0.4 inches ( 1 cm ) in width .
The flowers are yellow - green or white-livered , rarely ruby-red , and come along in cymes at branch tips .
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USDA hardiness zones10a to 11b : from 30 ° F ( −1.1 ° C ) to 50 ° F ( +10 ° coulomb ) .
Euphorbias are very well-fixed to care for . These plants require a little pampering to become set up , but once they are , they are self - sufficient . More die from overcare and watering than from neglect . Euphorbias ask well - draining soil and lot of sunlight . They are not particular about grime pH but can not tolerate wet land . Unlike most succulent , Euphorbia does not handle long periods of drouth well . It may require watering once a week during the summertime . piss whenever the top few inches of soil are juiceless . Water them deeply , but avoid letting them sit down in wet soil , as this can cause ascendent rot . Add some organic matter or plant food to the planting cakehole . Feed with a half - forcefulness fertilizer monthly if you are develop them in container or your soil is poor .
These succulents can be grown from seed , but they can be challenging to germinate , and they may be difficult to find . They are usually propagated by cuttings . This can be tricky because of the sap that exudes . settle down endocrine is recommended withEuphorbias . They lean to grow problem - barren , but there are a few pest and disease to be alert for .
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See more atHow to Grow and Care for Euphorbia .
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