Heliotropium zeylanicum subsp. paniculatum
Tournefortia zeylanica Tournefortia subulata Heliotropium curassavicum var. zeylanicum Heliotropium subulatum Heliotropium linifolium Heliotropium subulatum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024