Paraboea halongensisParaboea halongensis is a plant in the family Gesneriaceae, native to Vietnam. The specific epithet halongensis is for Hạ Long Bay, where the species is found.DescriptionParaboea halongensis grows as a perennial shrub. Its lanceolate to ovate leaves measure up to long. The inflorescences bear white flowers.Distribution and habitatParaboea halongensis is endemic to Vietnam, where is it is confined to the islands of Hạ Long Bay, a UNESCO World Heritage Site. Its habitat is in cracks on rocks higher up on the limestone islands.