Tetraneuris argentea, the perkysue,[3] is a North American species of plants in the sunflower family. It grows in the southwestern United States, primarily in Arizona and New Mexico with additional populations in Utah, Colorado, and the Texas Panhandle.[4][5]
Tetraneuris argentea is a perennial herb up to 42 cm (17 in) tall. It forms a branching underground caudex sometimes producing as many as 12 above-ground stems. One plant can produce as many as 30 flower heads. Each head has 8–14 yellow ray flowers surrounding 25-100 yellow disc flowers.[6]
^USDA, NRCS (n.d.). "Tetraneuris argentea". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
^Biota of North America Program 2014 county distribution map
^SEINet Southwestern Biodiversity, Arizona chapter description, photos, distribution map
^Flora of North America, Tetraneuris argentea (A. Gray) Greene, 1898.
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middle. Species Tetraneuris acaulis – western Canada, western USA, northern Mexico Tetraneurisargentea – Arizona, New Mexico Tetraneuris herbacea – Ontario...
called Tetraneuris acaulis Hymenoxys argentea now Tetraneurisargentea Hymenoxys depressa now Tetraneuris torreyana Hymenoxys glabra now Tetraneuris scaposa...
accepted varieties of Tetraneuris acaulis. The autonymic variety described by Frederick Traugott Pursh in 1813 as Tetraneuris acaulis, but it was described...
masks, and smoke from crushed blossoms is inhaled to treat nosebleed. Tetraneuris scaposa (stemmy hymenoxys), an infusion of which is used as an eyewash...
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