Wright's nipple cactus (Mammillaria wrightii)
Description
Mammillaria wrightii grows predominantly individually. The flattened spherical to short cylindrical shoots are dark green. They measure 3 to 8 inches in diameter. The cylindrically shaped warts do not produce any milk juice . The axilla remains naked. Up to 3 middle spines are available. They are hooked, dark and 1 to 1.2 inches long. The up to 12 whitish thorns, the upper ones are less long and darkly pointed, are 8 to 12 millimeters long.The magenta to bright purple-colored flowers , very rarely white, are up to 2.5 inches long as well as in diameter large. The perianth segments are repulsed. The egg-shaped to spherical fruits are purple colored. They are up to 2.5 inches long and contain black seeds .
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Caryophyllales
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Family: Cactaceae
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Genus: Mammillaria
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