Koanophyllon solidaginifolium, the shrubby umbrella thoroughwort, is a plant species native to Arizona, western Texas, New Mexico, Chihuahua, Coahuila, Durango, Jalisco, and Zacatecas.Biota of North America Program 2014 county distribution map It grows primarily on canyon walls, ledges, and other stony outcrops.Turner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 – Eupatorieae. Phytologia Memoirs 11: i–iv, 1–272.SEINet, Southwestern Biodiversity, Arizona chapter description, photos, distribution map Koanophyllon solidaginifolium is an herb or subshrub up to 100 cm (39 inches) in height. Leaves are lanceolate with rounded bases and narrow pointed tips. Flowers are usually white, but sometimes tinged with purple or yellow.Flora of North America, Koanophyllon solidaginifolium (A. Gray) R. M. King & H. Robinson, 1971. Shrubby umbrella thoroughwortKing, Robert Merrill, & Robinson, Harold Ernest. Phytologia 22(3): 151. 1971.Asa Gray. Smithsonian Contributions to Knowledge 3(5): 87–88. 1852.
No narrative description available for this taxon yet.
