Mammillaria microhelia Werderm.
Mammillaria droegeana, Leptocladia microhelia, Krainzia microhelia, Mammillaria microhelia var. microheliopsis, Mammillaria microheliopsis, Leptocladia microheliopsis
Mammillaria microhelia is an usually clumping cactus with stems, up to 6 inches (15 cm) tall and up to 2 inches (5 cm) in diameter. The radial spines can be a golden color and the central spines reddish, almost black. Flowers are tiny, pale yellow or pink and form a ring around the stems.
How to Grow and Care
To encourage better flowering, allow the plants to enjoy a cooling period in the winter and suspend watering. Unlike many other cacti, which use their ribs as storage devices, the Mammillaria feature raised tubercles, from which spines emerge. When you water, the tubercles will expand to allow for increased water storage. The flowers emerge from the axils of these tubercles on the previous year’s growth, which accounts for their interesting halo effect. It’s imperative that the cactus is not exposed to prolonged dampness and sitting water. Never let your cactus sit in a dish of water. Suspend watering in the winter, but mist occasionally.
Repot as needed, preferably during the warm season. To repot a cacti, make sure the soil is dry before repotting, then gently remove the pot. Knock away the old soil from the roots, making sure to remove any rotted or dead roots in the process… – See more at: How to Grow and Care for Mammillaria.
Endemic to Mexico.
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