Most of Arizona and New Mexico, plus small adjoining areas of Utah, Colorado and Texas
Between 8 and 14 inches
Pine woodland, mountainsides, streambanks; 4,500 to 8,000 feet
Basal leaves are spatulate, stalked, up to 6 inches long, sometimes lobed. Stem leaves are shorter, clasping and divided
Valeriana arizonica produces one to several unbranched, stout but relatively short stems that have large, spatulate leaves at the base, tapering to long stalks, and a few opposite pairs of stem leaves, at quite widely-spaced intervals. Stem leaves are divided into two or three pairs of lance-shaped leaflets, while a whorl of short, linear, leafy bracts is positioned just below the inflorescence. The largest leaflet is at the tip of the leaf stalk.
Plants produce a spherical cluster of flowers in spring and early summer; each flower is around one inch long, supported by a greenish calyx split into thin, irregular lobes. The pale pink, tubular corolla is very narrow, opening to five lobes about a quarter of an inch in diameter. The throat of the corolla is slightly darker in color. Three stamens project beyond the lobes.