Studies in the Cleomaceae V: A New Genus and Ten New Combinations for the<i>Flora of North America</i>

Abstract

New combinations are made for 10 taxa previously included in the genus Cleome L. s.l. These are now considered to belong in the genera Cleoserrata Iltis, which is newly described herein, Hemiscola Rafinesque, Peritoma DC., and Tarenaya Rafinesque, as follows: Cleoserrata serrata (Jacquin) Iltis, C. speciosa (Rafinesque) Iltis, H. diffusa (Banks ex DC.) Iltis, P. arborea (Nuttall) Iltis, P. arborea var. angustata (Parish) Iltis, P. arborea var. globosa (Coville) Iltis, P. jonesii (J. F. Macbride) Iltis, P. multicaulis (Moçiño & Sessé ex DC.) Iltis, P. platycarpa (Torrey) Iltis, and T. hassleriana (Chodat) Iltis. A lectotype is designated for the basionym of Cleoserrata speciosa, Cleome speciosa Rafinesque.