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Great Basin Naturalist

Abstract

A revision of the legume family, Fabaceae (Leguminosae), is presented for the state of Utah. Included are 244 species and 60 varieties of indigenous and introduced plants. A key to genera and species is provided, along with detailed descriptions, distributional data, and pertinent comments. Proposed new taxa are Astragalus lentiginosus Dougl. ex Hook, var. wahweapensis Welsh; Astragalus subcinereus A. Gray var. basalticus Welsh; Hedysarum occidentale Greene var. canone Welsh; Oxytropis oreophila A. Gray var. juniperina Welsh; and Trifolium andersonii A. Gray var. friscanum Welsh. New combinations include Astragalus bisulcatus (Hook.) A. Gray var. major (M. E. Jones) Welsh; Astragalus consobrinus (Bameby) Welsh; Astragalus pubentissimus Torr & Gray var. peabodianus (M. E. Jones) Welsh; Lathyrus brachycalyx Rydb. var. zionis (C. L. Hitchc.) Welsh; Lathyrus lanzwertii Kellogg var. arizonicus (Britton) Welsh; Lathyrus langwertii Kellogg var. laetivirens (Greene) Welsh; Lupinus argenteus Pursh var. moabensis (Dunn & Harmon) Welsh; Lupinus argenteus Pursh var. rubricaulis (Greene) Welsh; Lupinus caudatus Kellogg var. argophyllus (A. Gray) Welsh; Lupinus caudatus Kellogg var. cutleri (Eastw.) Welsh; Lupinus pusillus Pursh var. rubens (Rydb.) Welsh; Lupinus sericeus Pursh var. barbiger (S. Wats.) Welsh; Lupinus sericeus Pursh var. marianus (Rydb.) Welsh; Oxytropis besseyi (Rydb.) Blankinship var. obnapiformis (C. L. Porter) Welsh; Psoralea lanceolata Pursh var. stenostachys (Rydb.) Welsh.

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