USA, Arizona, Coconino County, Grand Canyon National Park, north of Royal Arch trail west of South Bass trail, on Esplanade, 12S 374343 E, 4006346 N, NAD 83/84
Frequent, near 25194 (Y. elata x Y. baccata), single, trunk 8 inches tall, leaves and trunk 2/3 m tall, inflorescence 3/4 m tall, down 1/2 of stalk, racemose, flower 44(w) x 50(l) mm, fusion of tepal bases 2 mm high, outer perianth 38(l) x 15(w) mm, cream-white with light green midstripe, inner tepal 42 x 22 mm, cream white with light green midstripe, distally, filament 14+6 mm, white, anthers yellow, ovary 20 mm high, light green, style 8.5 mm, cream-white.