Type cult. from material collected by L.Averyanov, N.S.Khang, A.Averyanova, N.D.Phuong & L.V.Hung on 11 Apr 2011 in central Vietnam, Thua Thien – Hue province, Nam Dong district, Thuong Lo municipality, Cha Mang river basin, c. 16°07’53’’N 107°43’27’’E, 400-500 m. [HAL 11111a]