N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22º54'59''N, 106º31'44''E, at elevation 700-800 m a.s.l. Remnants of primary broad-leaved evergreen and coniferous forest along tops of rocky ridges and mesae composed with light gray solid marble-like highly eroded crystalline limestone. Lithophyte on very steep rocky mossy slope. Flowers dull olive-green, lip deep violet. Rare.
Координаты:22° 54′ 59″ N, 106° 31′ 44″ E ±1000 mСоздание записи: 2020-10-06, Leonid Averyanov, PhotoScan D2. Статус обработки: work_status_1Цитирование: Образец LE 01070072 // Виртуальный гербарий Ботанического института им. В. Л. Комарова РАН — http://rr.herbariumle.ru/01070072