Crassula hemisphaerica var. foliosa
Crassula hemisphaerica var. typica
Crassula hemispherica is native to South Africa, in particular it’s present in part of the Great Karoo, a semi-desert region in which there are numerous species of succulents, Knersvlakte, a hilly region covered in quartz gravel. It grows on sandstone or on quartz gravel.
Crassula hemisphaerica is a dwarf succulent, maximum 10-15 centimeters tall, with a few rosettes of sessile leaves (maximum 2-3 rosettes but, more often, just one). Its name, C. hemisphaerica, is due to the densely packed and curved leaves that make the rosette hemisphaerical in section. Leaves are oval or elliptic, maximum 5 centimeters long and 3 centimeters wide, flattened, grey-green with many hydatotes (little holes that look like tiny bumps), grouped in the upper part. Leaves are overlapped upon the stems and densely packed together, to that the stem is not visible and the plant ends to look like a flattened, pretty rosette. Inflorescences are spike-like thyrses which overhang the rest of the plant, with an erect peduncle which bears axillary creamy or white flowers with black anters. Blossoming time is in Autumn, between September and November.
Cultivation of Crassula hemisphaerica is not so difficult. The plant requires a well-draining substrate and a bright spot. Watering should be moderate during the growth season, namely in Spring and Summer, and reduced, almost suspended, in Winter, when a dry soil is necessary to increase its cold tolerance. It’s better to keep the plant indoors, to protect it from frost damages: in a frost-free area it’s possible to plant it outdoors.
Propagation is made by seeds or leaf cuttings
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