FLORA OF LAOS Nakai-Nam Theun Protected Area Scrophulariaceae (Paulowniaceae) Paulownia laotica Aver., sp. nov. (P. fortunei (Seem.) Hemsl. aff.) Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34'02.2"N 105°42'42.6"E, 200 m and 17°34'51.1"N 105°43'01.2"E, 535 m a.s.l. Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes. Semideciduous tree 25-30 m tall. Flowers dull-yellow, inside with dirty-violet tint. Occasional. 15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1084.