Yen Bai Prov., Mu Cang Chai Distr., Nam Co municipality, near Phinh Ngai village , around point 21°54′ 06.1”N 104°17′47.4”E, 1742 m a.s.l. Secondary evergreen broad-leaved woodland and scrub on the soil mountain Shrub 2 m tall, very common; sepals and petals green at base, and violet at top CPC 4463 22 September 2011 Coll.: N.T.Hiep, N.S. Khang. P.V. The. N.T. Vinh & H.V. Than Sponsored by Charity Number 1011102 through FFI with Project Title: Conservation of Taiwania cryptomeriodes Hayata through in-situ protection and promotion as a national reforestation species