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Mammillaria guelzowiana

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Scientific Name

Mammillaria guelzowiana Werderm.

Synonyms

Krainzia guelzowiana, Phellosperma guelzowiana, Bartschella guelzowiana

Scientific Classification

Family: Cactaceae
Subfamily: Cactoideae
Tribe: Cacteae
Subtribe: Cactinae
Genus: Mammillaria

Description

Mammillaria guelzowiana is a cactus that grows fleshy, globose, at first solitary and then forming groups. The stems have a spherical, apically depressed, up to 7 inches (17.7 cm) tall and up to 10 inches (25 cm) in diameter. Tubercules are conical and cylindrical. Mammillaria guelzowiana has 1 – 6 thin central spines, slender, needle-like, reddish brown to yellow, up to 1 inch (2.5 cm) long. The 60 – 80 radial spines are long and twisted, about 0.6 inch (1.5 cm) long. The bell-shaped flowers are bright pink to intense purplish red with light scent, up to 4 inches (10 cm) long and up to 7 inches (17.7 cm) in diameter. The fruits are almost spherical, pale red or yellowish white, about 0.3 inch (8 mm) in length.

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… – See more at: How to Grow and Care for Mammillaria.

Origin

Endemic to Mexico.

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