Astrophytum myriostigmavar.nudum(Rud . Mey . ) Frič
Astrophytum myriostigmaLem .
Bishop ’s Cap Cactus , Bishop ’s Cap , Bishop ’s Hat , Bishop ’s Miter Cactus , Bishop ’s cap
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Astrophytum myriostigmasubsp.glabrum , Astrophytum myriostigma’Hekiran',Echinocactus myriostigmavar.nudus
category : CactaceaeSubfamily : CactoideaeTribe : CacteaeGenus : Astrophytum
Astrophytum myriostigmavar.nudumis not accepted as a separate variety and is treat as a equivalent word ofAstrophytum myriostigma .
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Astrophytum myriostigmavar.nudumis a spinelesscactuswith a spherical to cylindric , commonly solitary stem with three to eight , typically five rib . It is alike to the distinctive form ofAstrophytum myriostigmabut lacks the tiny , white , hirsute scales on the stem . The stem can grow up to 3.3 feet ( 1 m ) marvelous and 4 inch ( 10 atomic number 96 ) in diameter .
The pale yellow flowers , which can strive up to 3 column inch ( 7.5 curium ) in duration and 2 in ( 5 centimeter ) in diameter , appear in outpouring or former summertime . This cactus take up to 6 years to bloom for the first time .
USDA hardiness zones9a to 11b : from 20 ° F ( −6.7 ° C ) to 50 ° F ( +10 ° C ) .
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Bishop ’s Cap is one of the easiestAstrophytums to produce . It is sometimes seen as a transplant plant life , but it grow very well on its roots . Like other star cacti , it does not inquire for much water and thrives even with a very low , severe root zona . However , they necessitate riotous drainage overall and are downright hard to kill except in exuberant moisture and rich soils . Their very dense growth and minuscule sizing make them ideal for bonsai pots and other originative container on the porch , windowsill , or balcony . These cacti are desirable for beginners due to their lack of thorns , particular geometry , and prosperous cultivationindoors .
Bishop ’s Cap is frigid - hardy to about 20 ° F ( −6.7 ° C ) . It should be given low-cal shade for dear upshot , although it will tolerate full Sunday . It should begiven moderate waterduring the summertime , but keep ironical as soon as the temperature drop . It should also be hold back absolutely dry in winter at temperatures between 40 ° atomic number 9 and 60 ° F ( 4 ° coke to 15 ° atomic number 6 ) . Bishop ’s Cap grows much quicker with a low - N depicted object plant food in spring and summertime .
Learn more atHow to Grow and worry for Astrophytum .
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