FLORA OF VIETNAM Malaxis subtilis Aver., sp.nov. Type
N. Vietnam, Prov. Cao Bang, distr. Tra Linh, municipalite Quoc Toan, vicinity of Thang Heng and Lung Tao villages near Thang Heng lake. Open dry primary mixed forest with domination of Keteleeria fortunei on tops of limestone mesas and ridges at 800-850 m alt. Terrestrial and epilitic herb on rocky steep rather open slopes near tops of mesas. Flowers light greenish-yellow with pink tint. Leaves pink. Not rare. VH 4919 25-27.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)