Phu Yen Province, Tuy Hoa City, Hoa Xuan Commune. Highly degraded secondary evergreen broad-leaved dry forest with bamboo on very steep rocky mountain slope on granite at elevation of about 400 m a.s.l., around point 12º53’N 109º24’E (Bia Mountain). Terrestrial herb on steep shady rocky slope. Flowers dark violet to almost black, anthers yellow. Locally very common.
14 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4908.
Record creation: 2023-08-05, Galina Savich, PhotoScan D2Citation: Specimen LE 01332043 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01332043