Son La Prov., Moc Chau Distr., Chieng Hac Municipality, around point 20º51’50’’N 104º31’17’’E. Broad-leaved evergreen dry forest on steep slopes and on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 1200-1300 m a.s.l.
Terrestrial herb up to 1.5 m tall on steep rather open slopes. Flowers blue-violet, honey fragrant. Locally common.
HAL 9417 31 Oct. 2006
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.
Record creation: 2026-03-11, Galina Savich, PhotoScan D2Citation: Specimen LE 01317144 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317144