Palafoxia arida
Introduction '''''Palafoxia arida''''' is a species of flowering plant in the aster family, known by the common names '''desert palafox''' and '''Spanish needle'''.
Distribution It is native to the Mojave Desert and Sonoran Desert ecoregions of California, the Southwestern United States, and northwestern Mexico.
Description ''Palafoxia arida'' is an annual herb producing an erect, branching, glandular stem. The rough-haired leaves are linear or lance-shaped and may exceed 10 centimeters long.The inflorescence is an array of up to 40 flower heads. The cylindrical heads are about 2 to 3 centimeters long, lined with long, pointed phyllaries, and bearing up to 40 pink or white tubular disc florets.The fruit is an achene over a centimeter long including the pappus.===Varieties===There are two varieties that are no longer accepted:*''Palafoxia arida'' var. ''arida'' — desert needle,  desert palafox*''Palafoxia arida'' var. ''gigantea'' — giant Spanish needle; larger, reaching  in height
References
External links * Calflora Database: ''Palafoxia arida'' (Desert palafox,  Spanish needle)* Jepson Manual eFlora (TJM2) treatment of ''Palafoxia arida''* USDA Plants Profile for ''Palafoxia arida'' (desert palafox)* U.C. Photos gallery