A synopsis of Lasianthus (Lasiantheae, Rubiaceae) in Thailand and two additional new species Author Napiroon, Tiwtawat 0000-0002-4710-5016 Biology major, Faculty of Science & Technology, Pibulsongkram Rajabhat University, Phitsanulok 65000, Thailand napiroont@gmail.com Author Chayamarit, Kongkanda 0000-0003-1057-6380 The Forest Herbarium (BKF), Department of National Parks, Wildlife and Plant Conservation, Bangkok, 10900, Thailand kchayamarit@gmail.com Author Dawson, Sally 0000-0002-8178-0912 Identification and Naming Department, Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AE, United Kingdom S.Dawson@kew.org Author Till, Walter 0000-0001-9329-4340 Department of Botany and Biodiversity Research, Faculty of Life Science, University of Vienna, Rennweg 14, A- 1030, Austria walter.till@univie.ac.at Author Balslev, Henrik 0000-0002-7101-7120 Section Ecoinformatics and Biodiversity, Department of Bioscience, Faculty of Science and Technology, Aarhus University, Aarhus 8000, Denmark henrik.balslev@bios.au.dk text Phytotaxa 2020 2020-04-15 439 1 1 38 http://dx.doi.org/10.11646/phytotaxa.439.1.1 journal article 10.11646/phytotaxa.439.1.1 1179-3163 13873503 35. Lasianthus maculatus Craib (1933:22) . Type : ― THAILAND . Chanthaburi , Koh Chang , Khlong Mayom waterfall, 2 April 1923 , A. F. G. Kerr 6817 ( holotype K000777018!; isotype BM001191339 image!). T hailand: ―Only known from the type collection. Distribution: ―Peninsular Malaysia , Thailand (South-Eastern). Ecology: ―Moist evergreen forest. Fruiting in April. Notes: ― Lasianthus maculatus has conspicuous stipules that remain on the plant, 9‒11 mm long, 2 mm width, narrowly triangular or linear, hirsute and fresh drupes white, ellipsoid, 6‒7 mm long, 5 mm diameter, subglabrous with 4 pyrenes.