Euphorbia polygonaHaw .
African Milk Barrel
Euphorbia polygonavar.polygona
Photo viasucculente.info
kinsperson : EuphorbiaceaeSubfamily : EuphorbioideaeTribe : EuphorbieaeSubtribe : EuphorbiinaeGenus : Euphorbia
Euphorbia polygonais native toSouth Africa . It occurs on gravelly flats to stony gradient among karroid scrub from Seweweekspoort and Calitzdorp to Makhanda , also know as Grahamstown .
Euphorbia polygonais a much - ramose succulent with gray - green stems with obscure tubercles combine vertically into 7 to 20 prominent , offstage - alike slant . The cylindrical - clavate stalk can acquire up to 6.6 metrical foot ( 2 m ) tall and 6 inches ( 15 curium ) in diam . The spine can measure up to 1.6 column inch ( 4 cm ) long and arise in the axil of each nodule , ordinarily in a group of 2 to 5 . The tiny foliage are presently deciduous .
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Many cyathia appear around the acme of each stem , 1 to 3 on each unrelenting peduncle in the axil of the tuberosity . They can hand up to 0.3 inches ( 0.7 cm ) in diam and have five total bolshie to glowering purple secretory organ . The fruit are densely hairy capsules , about 0.25 column inch ( 0.6 cm ) in diam , and have one seed in each cell . This species is dioecian , with manly and female efflorescence occurring on different plants .
USDA hardiness zones9b to 11b : from 25 ° F ( −3.9 ° C ) to 50 ° F ( +10 ° atomic number 6 ) .
Euphorbias are very easy to care for . These plant need a short pampering to become build , but once they are , they are ego - sufficient . In fact , more give way from too much fear and tearing than from neglect . Euphorbias needwell - draining soiland lots of sunlight . They are not particular about soil pH but can not tolerate slopped soil . Unlike most succulent , Euphorbiadoes not handle long periods of drouth well . It may need weekly lachrymation during the summer . Waterwhenever the ground is wry several in below the surface . body of water profoundly , but do n’t rent them model in wet stain , which can cause root rot . add up some organic affair or fertilizer to the planting hole . Feed with a half - strength plant food monthly if you are growing them in containers or your ground is wretched .
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These succulents can be acquire from seed , but they can be hard to germinate ( or even obtain ) . They are usually propagated by cuttings . This can be tricky because of the exuding sap . A rooting hormone is recommended forEuphorbias . They be given to grow problem - free , but a few pests and disease are to be alert for .
Learn more atHow to Grow and Care for Euphorbia .
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