Brachycereus nesioticus(K.Schum . ex B.L.Rob . ) Backeb .
Lava Cactus
Cereus nesioticus
Photo viavayaadventures.com
Family : CactaceaeSubfamily : CactoideaeTribe : TrichocereeaeGenus : Brachycereus
Brachycereus nesioticusis a clump - formingcactuswith yellow cylindrical stems with green or browned tones . The stems have 16 to 22 rib and can farm up to 2 foot ( 60 cm ) tall . The vertebral column are up to 2 inch ( 5 curium ) long , ab initio yellow , becoming darker with eld . Each areole stomach up to 40 spines .
The flowers are narrowly funnel - shaped , with many spines on the lower part , and measure out up to 4.4 inches ( 11 cm ) long and 2.2 inches ( 5.5 cm ) in diameter . They are white to yellowish - T. H. White inside and open in the daytime . The fruits are red to brown , covered with yellow spines , and fill up with many black-market seeds .
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USDA hardiness zones10a to 11b : from 30 ° F ( −1.1 ° C ) to 50 ° F ( +10 ° C ) .
Like most cacti , Cereusare fair low - sustentation and hardy . check they pick up enough piddle without becoming waterlogged , especially during the summertime , andfertilizethem for the practiced results . If the roots have become calamitous or overly soft , the cactus could be experiencingroot rot . trend away the affect function and replant . Most gardener concerned in cacti should be able to cultivate these without much job .
It may become necessary to repot yourCereusif it outgrows its container . If so , check the territory is juiceless and then remove the toilet . Knock away old soil , prune out any decayed or utter roots , then replace it in a new pot and backfill it with newsoil . Ensure not tooverwater cactiplanted in new pots , as this can go to root bunkum . It should be left dry for about a week and then water lightly .
Photo viarobertharding.com
These cacti propagate quite well from cutting . merely sever a limb and replant in moist , well - drain soil .
See more atHow to Grow and Care for Cereus .
Brachycereus nesioticusis endemic to theGalapagos Islands . It colonizes lava discipline , hence its common name , mould spiny clod .
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