FLORA OF LAOS Hin Nam No Nature Protected Area Gesneriaceae Chayamaritia banksiae D.J. Middleton Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Shrub or small treelet 2-3 m tall on mountain top. Occasional. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 600.1 (AL 675.1) Herbarium specimen prepared in 23.07.2019, L. Averyanov, AL 600.1. Flowers blue, tube inside whitish with 2 yellowish longitudinal lines, filaments white, anthers light pale yellowish.