Siler Pincushion Cactus (Pediocactus sileri)
Description
This cactus is egg-shaped or sometimes cylindrical in shape, and may have short branches. It is up to 25 centimeters tall by about 11 wide. The surface is bumpy with-areoles-which are covered in hairs or woolly fibers. Each areole has 3 to 7 main spines which are black to gray or white in color, those occurring near the base of the cactus body reaching up to 3 centimeters long. Each areole also has many smaller white spines 1 or 2 centimeters long. Spines around the base of the cactus may help to anchor it to the soil. The cactus flowers in April and May. The flower is up to 2 centimeters long by 3 wide and has white-margined brown outer-tepals-and purple-veined yellow inner tepals. The fruit is yellow-green in color and just over a centimeter long
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: Pediocactus
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