Echinopsis mamillosa var. kermesina (Krainz) Friedrich
Echinopsis kermesina, Pseudolobivia kermesina
Echinopsis mamillosa var. kermesina is a cactus with a solitary dark green globe-shaped stem with 13 to 17 deep ribs formed into tubercles. The stem grows up to 3.1 inches (8 cm) in diameter. The rounded areoles are spaced up to 0.5 inches (1.2 cm) and bear yellowish spines with brown tips. Each areole bears 1 to 4 central and 8 to 12 radial spines. Flowers are pink to carmine and large concerning the diameter of the stem. They are up to 7 inches (18 cm) long and up to 3.1 inches (8 cm) in diameter.
USDA hardiness zone 8b to 11b: from 15 °F (−9.4 °C) to 50 °F (+10 °C).
How to Grow and Care
If you can grow cacti and succulents successfully, you can likely grow the Echinopsis species without too much trouble. Like many cacti, they prefer a drying period between waterings, even to the point where they slightly wilt. When you water, however, you should water deeply. The plant will noticeably plump up. The cactus mustn't be exposed to prolonged dampness and sitting water. Never let your cactus sit in a dish of water. Lastly, ensure fertilizer during the growing season for the best results.
Echinopsis can be easily rooted from offsets, which tend to cluster around the base of the mother plant. Cut offsets close to the stem, at the narrowest possible place. When rooting cacti from cuttings, let the fresh cutting dry out slightly on a paper towel and cut the cacti at the narrowest place possible. After a few days to a few weeks, depending on the size of the cut surface, the cut surface should have dried out and formed a callous or slightly rough opening. Once the callous has formed, place the cutting in a rooting mixture of fast-draining cacti soil.
See more at How to Grow and Care for Echinopsis.
This variety is native to Bolivia.
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