Philadelphus texensis Hu var. ernestii (Hu) Henrickson. Ernest's Mock-orange. Hab: Limestone rock outcrops. Dist: Nearly endemic to the Edwards Plateau, but rarely extending eastwards to Post Oak Savannah / Blackland Prairies in Bastrop County, TX.
Origin/Endemic status: Native
Synonymy: = FNA12, K4; = Philadelphus ernestii Hu – Tx
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