Eriogonum soliceps (Polygonaceae: Eriogonoideae), a new species from east-central Idaho and southwestern Montana

Reveal, J. L. (Professor Emeritus, University of Maryland, College Park, MD 20742-5815; Honorary Curator, The New York Botanical Garden, Bronx, NY 10458; mailing address: 18625 Spring Canyon Rd., Montrose, CO 81401-7906, U.S.A.; e-mail: jr19@umail.umd.edu) & C. R. Bjork (Stillinger Herbarium, University of Idaho, Moscow, ID 83854, U.S.A.; email: cbjorkC@onewest.net). Eriogonum soliceps (Polygonaceae: Eriogonoideae), a new species from east-central Idaho and southwestern Montana. Brittonia 56: 295-298. 2004.-Eriogonum soliceps, a new species of subg. Eucycla sect. Capitata, is described. It may be readily distinguished from all other taxa of the subgenus by its reduced inflorescence. From its presumed nearest relative, E. mancum, this new species differs in its solitary (vs. 2-5) involucre, presence of a peduncle but no scape, lack of bracts at the base of the involucre, and distinctly pustulose midribs of the mature flowers.