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Senna bauhinioides (A. Gray) H.S. Irwin & Barneby. Twinleaf Senna. Phen: May-Jun (-Sep). Hab: Scrub, roadsides, disturbed areas; eastwards as a waif on ore piles. Dist: S. TX, NM, and AZ south to n. Mexico.

Origin/Endemic status: Native

Synonymy: = FNA11.1, K3, K4, Mex, Irwin & Barneby (1982); = Cassia bauhinioides A.Gray – S13, Tx; = n/a – C, Tat

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Heliophily: 0

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