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 Glossary of [botanical terms#lanceolate|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.