Orbexilum simplex (Nuttall ex Torrey & A. Gray) Rydberg. Subgenus: Poikadenia. Leather-root. Phen: May-Jun. Hab: Prairies, open woodlands. Dist: AR and OK south to s. AL, MS, e. and w. LA, and e. TX; perhaps disjunct in IL (the single old specimen documenting its occurrence in IL also speculated as being a mislabeling).
Origin/Endemic status: Endemic
Synonymy ⓘ: = Ar, FNA11.1, Il, K1, K3, NcTx, S, SE3, Grimes (1988), Grimes (1990), Isely (1998), Turner (2008); = n/a – C; = Psoralea simplex Nutt. ex Torr. & A.Gray – S13, Tx
Links to other floras: = Orbexilum simplex - FNA11.1
Wetland Indicator Status:
Heliophily ⓘ: 9
See something wrong or missing on about Orbexilum simplex? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.