Buddleja euryphylla is a species endemic to cloud forest in El Salvador, Guatemala and Honduras; it was first described and named by Standley and Steyermark in 1947.[1] [2]
Buddleja euryphylla is a dioecious tree 8 - 15 m high, and closely related to B. cordata. The young branches are quadrangular, tomentose only at the apex. The ovate to ovate elliptic leaves have 3 - 7 cm petioles, and are 15 - 27 cm long by 8 - 16 cm wide, glabrous above, tomentose below. The yellow inflorescences are 20 - 30 cm long by 20 - 30 cm wide, paniculate with three to four orders of leafy-bracted branches, bearing short cymules each 0.4 - 0.6 cm in diameter with usually three flowers; the corolla tubes are 2 - 2.5 mm long.[2]
The species is not known to be in cultivation.