Strombocactus disciformiswas first depict asMammillaria disciformisbyAugustin - Pyrame de Candollein 1828 but was reclassify asStrombocactusbyNathaniel Lord BrittonandJoseph Nelson Rosein 1922 .
Strombocactus disciformis(DC . ) Britton & Rose
Ariocarpus disciformis , Cactus disciformis , Echinocactus disciformis , Mammillaria disciformis , Pediocactus disciformis , Strombocactus disciformissubsp.disciformis
In cultivation, Erzurum, Turkey. Photo by Emrah Özakar. Used with permission. All rights reserved.
Family : CactaceaeSubfamily : CactoideaeTribe : CacteaeGenus : Strombocactus
The specific epithet " disciformis(disk - ee - FORM - iss ) " means " disciform " and consult to the shape of the stem of this species .
Strombocactus disciformisis aboriginal toMexico . It occurs on almost erect , weathered limestone tilt at elevation between 3,280 and 5,250 metrical foot ( 1,000 and 1,600 m ) in Guanajuato , Querétaro , and Hidalgo .
In habitat, Mexico. Derivative of a photo byJose Antonio Aranda Pineda. Licensed underCC BY 4.0.
Strombocactus disciformisis a rarecactuswith a Brassica rapa - similar root and a small , usuallysolitarystem covered with overlapping , spirally arrangedtubercles . The stalk grows in a disk shape in its naturalhabitat , half hidden in the primer . However , it is nearly spherical in cultivation with a slightly depressedapex . The stem is blue - green with a grayish tinge and can reach up to 3.2 inches ( 8 cm ) in height and 3.6 inches ( 9 curium ) in diam . The bristly spine are curved , dark-skinned gray at the tips and pale grey at the base , and can uprise up to 0.8 inch ( 2 atomic number 96 ) long . Theareolesare locate on the blunt oddment of the tubercles and usually yield 4 to 5 spines that descend off after a few years .
From spring to summertime , Strombocactus disciformisproduces funnel shape - shaped , white to cream flowers from the youngest areoles at the tip of the stem . The flowers remain open for several day and can reach up to 1.4 inches ( 3.5 centimeter ) in diameter . The brown fruits are stretch and can grow up to 0.3 inches ( 0.7 cm ) in diameter . They splits down their length , free freely the reddish - brown seeds .
Light : For optimum ontogenesis of yourStrombocactus disciformis , ensure it is planted in an surface area that receives at least four hour of lineal sunlight day by day . If growing indoors , place the cactus near a bright windowpane is best to see it gets enough Christ Within . It is advisable to keep it on the balcony or in the garden from spring to come down for additional light .
In cultivation, Erzurum, Turkey. Photo by Emrah Özakar. Used with permission. All rights reserved.
Soil : To ensure good root aeration and drainage , use commercial cactus soil orcreate your own well - draining soil mix .
Temperature : Strombocactus disciformisis heat tolerant but is not a cold - audacious plant . It grows good inUSDA Plant Hardiness Zones9b to 11b , with average minimum wintertime temperatures ranging from 25 to 50 ° F ( -3.9 to 10 ° C ) .
lachrymation : Water deeply from spring to come , and look until the soil dries out before lachrymation again . Never let your can model in pee , and suspendwateringwhen the plant conk out dormant in the winter .
In cultivation, Erzurum, Turkey. Photo by Emrah Özakar. Used with permission. All rights reserved.
Fertilizing : During the growing season , Strombocactus disciformisbenefits fromfertilizing . go for a water - soluble plant food for cacti and other succulent . set aside feeding during the wintertime when the plant goes dormant .
Repotting : Repot the cactus every two or three years into a slimly larger locoweed , preferably during late wintertime or other spring . However , repotting can be done at any time of the year .
multiplication : SinceStrombocactus disciformisusually has a lonely ontogeny habit , it can only be propagated from seeded player . For the best results , sow in the seeded player in late saltation or summertime .
memorise more atHow to get and Care for Mammillaria .
Strombocactus disciformisis non - toxic but has sharp spur , so keep it away from tiddler and pets .
chatter on a photograph to see a large rendering .
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