ARPHA Preprints, doi: 10.3897/arphapreprints.e103766
A taxonomic synopsis of Heliotropiaceae (Boraginales) in Thailand
Kanokorn Rueangsawang‡, Pranom Chantaranothai§‡ Ramkhamhaeng University, Bangkok, Thailand§ Khon Kaen University, Khon Kaen, Thailand
Corresponding author: Pranom Chantaranothai ( pranom@kku.ac.th ) © Kanokorn Rueangsawang, Pranom Chantaranothai. This is an open access preprint distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Citation:
Rueangsawang K, Chantaranothai P (2023) A taxonomic synopsis of Heliotropiaceae (Boraginales) in Thailand. ARPHA Preprints. https://doi.org/10.3897/arphapreprints.e103766 |  |
Abstract
A synopsis of Heliotropiaceae in Thailand is presented together with the taxonomic history, identification keys, distribution, phenology, herbarium specimen citations and diagnostic characters of each species. The taxonomic character of the family is of terminal style with a conical stigma structure forming a basal ring around the style. There are 12 species: five species each in Euploca and Tournefortia and two species in Heliotropium. Three species are newly recorded in Thailand, Euploca ovalifolia, Tournefortia hookeri and T. montana. Lectotypes are selected for T. boniana and T. tetrandra var. angustifolia.
Keywords
Euploca, Heliotropium, morphology, Thai flora, Tournefortia