Ariocarpus trigonus(F.A.C.Weber ) K.Schum .

Living Rock , Star Rock

Anhalonium trigonum , Ariocarpus retusussubsp.trigonus , Ariocarpus trigonusvar.minor

Ariocarpus trigonus (Star Rock) aka Ariocarpus retusus subsp. trigonus

Photo via ginsio.com

Family : CactaceaeSubfamily : CactoideaeTribe : CacteaeGenus : Ariocarpus

Ariocarpus trigonusis aboriginal toMexico . It grows in jolting limestone areas at elevations pasture from 1,970 to 3,940 feet ( 600 to 1,200 m ) in Tamaulipas and Nuevo Leon .

Ariocarpus trigonus , also roll in the hay asAriocarpus retusussubsp.trigonusis a slow - develop geophytic cactus with a solitary , yellowish - green stem plow with long , stiff tubercle with wooly bases , resembling a rosette . It is one of the largest mintage in the genus . The prow is spherical , more or less depressed , and can grow up to 10 inches ( 25 atomic number 96 ) tall and 12 inches ( 30 cm ) in diam .

Ariocarpus trigonus (Star Rock) aka Ariocarpus retusus subsp. trigonus

Photo viawebcactus.ru

The flower are ointment - colour to yellowish - ashen or yellow , from time to time with crimson midribs , and appear from late capitulation to early wintertime . They can reach up to 1.8 inches ( 4 atomic number 96 ) in length and 2 inches ( 5 cm ) in diam . The fruits are milklike or greenish , quantify up to 0.8 column inch ( 2 curium ) farseeing and 0.4 inches ( 1 cm ) in diameter .

USDA hardiness zones9b to 11b : from 25 ° F ( −3.9 ° C ) to 50 ° F ( +10 ° 100 ) .

Plant yourAriocarpusinsoil specifically articulate for cacti . you could corrupt a cactus mix at your local nursery . Do not use generic soil mixes because they will not provide enough aeration and drainage . Additionally , using a container without a gob , whether a stack or a terrarium , is a sorry idea for the same reason .

Ariocarpus trigonus (Star Rock) aka Ariocarpus retusus subsp. trigonus

Photo viabiolib.cz

Ariocarpusneed a lot of sunlight . However , in hot , dry areas , they can be damage by excessive sunshine , so you should use a shadowiness material to limit their sun or move them out of the sunshine during the hottest hours of the day . In more temperate areas , direct sunlight is all right .

These cacti prefer to be save at room temperature or slenderly lower and in downcast humidity .

Wateryour Ariocarpus when it is dry , but wait until the soil dries out completely to irrigate it again . The amount of time this take will alter depending on your climate and the size of your pot if you use one .

Ariocarpus trigonus (Star Rock) aka Ariocarpus retusus subsp. trigonus

Photo viacactiguide.com

Learn more atHow to arise and worry for Ariocarpus .

tap a picture to see a larger version .

Did you find this helpful ? Share it with other succulent lover !