Dalea oligophylla (Torrey) Shinners. Subgenus: Dalea. Section: Kuhnistera. Western White Prairie-clover. Phen: Late May-early Jul. Hab: Prairies. Dist: MB, SK, and AB south to e. OK, ne. TX, NM, AZ, and Mexico (CHH, SON).
ID notes: Occurring in drier habitats than Dalea candida.
Origin/Endemic status: Native
Synonymy: = Dalea candida Michx. ex Willd. var. oligophylla (Torr.) Shinners – FNA11.1, GrPl, K3, K4, NcTx; = Dalea occidentalis (A.Heller ex Britton & Kearney) Isely – Isely (1998), illegitimate; = Petalostemon oligophyllus Torr. – S13; = Petalostemum candidum (Michx. ex Willd.) Michx. var. oligophyllum (Torr.) F.J.Herm. – Tx; < Dalea candida Michx. ex Willd. – Mex; > Petalostemum occidentale (A.Gray) Fernald – F; > Petalostemum oligophyllum (Torr.) Torr. ex Small – F
Heliophily ?: 9
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