Stapelia leendertziaeN.E. Br .

Black Bells , Maroon Cup Starfish , Rugose Cup Starfish , Star Flower , Carrion Flower

Ceropegia leendertziae , Gonostemon leendertziae , Stapelia wilmaniae

Stapelia leendertziae (Black Bells)

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Family : ApocynaceaeSubfamily : AsclepiadoideaeTribe : StapeliaeGenus : Stapelia

The specific name " leendertziae " ( label leen - DERTZ - ee - ay ) honorsReino Leendertz , later Mrs. Pott ( 1869–1965 ) , a Dutch botanist and the first official plant scientist employed at the Transvaal Museum who first discovered the species at Heidelberg .

The aboriginal range ofStapelia leendertziaeis in the mountains of the northeastern escarpment ofSouth Africafrom the Abel Erasmus Pass S to Barberton and Komatipoort , poke out intoSwaziland .

Stapelia leendertziae (Black Bells)

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Stapelia leendertziaeis an attractivesucculentthat forms large clumps of green , shortly pubescent stems with little tubercles on the angles and purple mottling towards the tips . The bow are quadrangular , decumbent with a short ascension base , and can grow up to 8 inches ( 20 cm ) farseeing and 1 column inch ( 2.5 curium ) thick .

The plant is most blatant in bloom due to its unequaled large peak that grow near the foot of stems on short , portly stalking .   The flowers are purplish - browned to dark purple , toll - form to urn - shaped , and come along in late summertime . They can reach a length of 3.2 inches ( 8 atomic number 96 ) and are intimately equal in diameter .

USDA hardiness zones9a to 11b : from 20 ° F ( −6.7 ° C ) to 50 ° F ( +10 ° 100 ) .

Stapelia leendertziae (Black Bells)

Photo viaunsitodelcactus.it

Several species are fairly easy to grow . Others , often those with more or less hairy root and the more unusual prime , are more challenging and require careful watering ( with some fertilizer ) during the growing time of year and complete weewee climb-down during the wintertime month . A minimum wintertime temperature of   50 ° F ( 10 ° C ) is acceptable , providing plants are kept wry . A heated up growing bench or incubator may serve finespun plants get through the colder month . However , many species live under shrub in their home ground and prefer light refinement rather than full sun .

A gritty compost is essential , and clay pots are advisable for the more finespun species . Some agriculturist opt mineral - only compost to minimize the hazard of a fungal attack on the tooth root . A bed of grit on the compost ’s open prevents wet from accumulating around the root of stems .

KeepingStapelias and their roots complimentary of pests such asmealybugs . Fungal attacks often occur when insects wrong stems .

See more atHow to Grow and like for Stapelia .

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