Fl. 50 mm wide; perianth segments broadly ovate, blunt or truncate, yellow, with white mucro, reflexed, plane or with margins wavy or recurved, with midrib showing, of heavy substance, overlapping half; inner segments more nearly spreading, with margins strongly recurved from midrib; corona bowl-shaped, ribbed, light orange, with mouth even and rim entire. Slightly scented.

Part of Grant Mitsch’s “Bird Series.” Named after the bird Canyon Wren (Catherpes mexicanus), commonly found in canyons in Oregon.