Canyon mock orange Canyon mock orange

Philadelphus ernestii S. Y. Hu, J. Arnold Arbor. 37: 50. 1956

Leaf blades (1–)1.9–3(–4.1) × (0.4–)0.5–1.1(–1.8) cm, abaxial surface loosely strigose, hairs 0.2–0.5(–0.7) mm, without underlying layer of white finely coiled-crisped hairs.

Flowering Apr–Jun; fruiting May–Oct. Limestone cliffs, ravines, slopes in oak-juniper woodlands; of conservation concern; 300–600 m; Tex.; Mexico (Coahuila).

Variety ernestii occurs in Bandera, Blanco, Hays, Kendall, and Travis counties in central Texas and in northern Coahuila, Mexico.