Carlo Luigi Spegazzini first collected this cactus in 1896 in the mountains between the province of Tucuman and Salta , Argentina . In 1905 , he described it asCereus silvestrii . Later , it was reclassified byNathaniel Lord BrittonandJoseph Nelson RosetoChamaecereus silvestrii . This name was used until 1983 , whenHeimo FriedrichandWolfgang Glaetzlerenamed itEchinopsis chamaecereus . Despite this change , many people continue to apply the nameChamaecereus silvestrii . as luck would have it , theGlobal Biodiversity Information Facility , World Flora Online , andPlants of the World Onlinenow greet it again asChamaecereus silvestrii .
Chamaecereus silvestrii(Speg . ) Britton & Rose
Peanut Cactus
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Cereus silvestrii , Echinopsis chamaecereus , Lobivia silvestrii
phratry : CactaceaeSubfamily : CactoideaeTribe : CereeaeSubtribe : TrichocereinaeGenus : Chamaecereus
The specific epithet " silvestrii " ( say " sil - VEST - ree - eye " ) honorsFilippo Silvestri(1873 - 1949 ) , an Italian entomologist and acquaintance ofCarlo Luigi Spegazzini .
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Chamaecereus silvestriiis native toArgentina(Tucumán ) .
Chamaecereus silvestrii , also known asEchinopsis chamaecereus , is a branchedcactuswith many crowd , wan unripe , finger - like stems . It can grow up to 6 inches ( 10 cm ) marvellous , while the stem can measure up to 6 inches ( 15 cm ) long and 0.5 inches ( 1.2 cm ) in diam . The stems have 8 to 10 ribs and 10 to 15 soft white bristle per areole .
The orange - red flowers can get hold of a diameter of 2 column inch ( 5 cm ) . Several flushes of flower appear from former bound to early summer .
USDA hardiness zones10a to 11b : from 30 ° F ( -1.1 ° C ) to 50 ° F ( 10 ° C ) .
Peanut Cactus need awell - draining potting intermixture . water supply the plant thoroughly until urine comes through the pot ’s holes , and let the soil dry out at least halfway down the pot before watering again . In winter , diminution or recoup water . The industrial plant will look wither , and stem can take on a ruby-red undertone , but the Peanut Cactus will fatten up again and fall to its normal color in give .
This cactus grow well in hang basketball hoop or shallower , 4 - inch ( 10 cm ) nursery containers because it is shallow - rooted . Hybrids can take cryptical pots . It is difficult to transplant sr. clump of Peanut Cactus because the bow break asunder so well . Fertilizethe cactus once a year during the grow season using a balanced fertilizer at half the recommended strength . In domain with hot , dry summers , grow Peanut Cactus in dapple that get fond shade . In areas with cool summers or temperate clime , develop it in full Lord’s Day .
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Learn more atHow to Grow and manage for Echinopsis .
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