ACANTHACEAE

Ruellia humilis Nuttall. Low Wild-petunia, Hairy Wild-petunia, Fringeleaf Ruellia. Phen: May-Oct. Hab: Calcareous or mafic glades and woodlands, prairies, dry woodlands and fields. Dist: S. PA west to se. MN and e. NE, south to c. NC, nc. SC (York County; Schmidt & Barnwell 2002), c. AL, s. MS, s. LA, and c. and s. TX.

Origin/Endemic status: Native

Syn: = Ar, GrPl, K1, K3, K4, Mi, Mo2, NcTx, NY, Pa, RAB, Tn, Va, W, WV, Long (1970), Wasshausen (1998); > Ruellia humilis var. calvescens – C, F, G, Fernald (1945); > Ruellia humilis var. depauperata – Tx, Turner (1991); > Ruellia humilis var. expansa – F, Tx; > Ruellia humilis var. frondosa – F, G, Tx, Fernald (1945), Fernald (1945); > Ruellia humilis var. humilis – C, F, G, Il, Turner (1991); > Ruellia humilis var. longiflora – Il, Tx, Fernald (1945); > Ruellia humilis var. typica – Fernald (1945)

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