Spiny Milkwort (Rhinotropis subspinosa)
Description
Polygala subspinosa-is a species of flowering plant in the-milkwort family-known by the common name-spiny milkwort. It is native to the southwestern United States, where it grows in desert and plateau habitat. It is a perennial herb or small-shrub-growing in a clump no more than 25 centimeters tall. The stems have woody bases and green, thorn-tipped branches. The leaves are up to 3 centimeters in length and generally oval in shape. The flowers have winglike pairs of bright pink-sepals-and the keeled central petal is tipped with a yellowish beak, sometimes fringed at the tip.
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: Fabales
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Family: Polygalaceae
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Genus: Rhinotropis
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