Hoa Binh Prov., Tan Lac Distr., Ngo Luong Municipality, Bo village., coordinate ca. 20°28′43”N 105°16′18”E.
In heavily logged evergreen broad-leaved forest and woodland on shale mts., at elevation about 743 m a.s.l. Evergreen tree, up to 30 x 1.2 m or more. Stipules silvery hairs. Leaves grey beneath. Rare.