Taxonomic notes on the genus Justicia (Acanthaceae) from Thailand Author Rueangsawang, Kanokorn Author Chantaranothai, Pranom Applied Taxonomic Research Center, Khon Kaen University, Khon Kaen, 40002, Thailand Author Simpson, David A. Royal Botanic Gardens, Kew, Richmond, Surrey TW 9 3 AB, UK text Phytotaxa 2013 130 1 43 49 https://www.mendeley.com/catalogue/2c1ae16e-8388-368a-96d0-64c533cc44e0/ journal article 10.11646/phytotaxa.130.1.5 1179-3163 5085785 Justicia remotifolia Ridley (1915: 12) . Type :— MALAYSIA . Pahang : Temerloh , 12 June 1915 , B . Murdoch 175 ( holotype K !, isotype K !) . Justicia oligantha Imlay (1939: 145) , syn. nov. Type :— THAILAND . Chaiyaphum : Naung Bua Dang , ca. 300 m , 3 March 1931 , A.F.G. Kerr 20311 ( holotype ABD !, isotypes K !, BK !) . Note: — Justicia remotifolia is characterised by having coriaceous leaves and lax paniculate inflorescences with two small ovate leaves at the base of peduncle. This species is found only in Chaiyaphum (north-eastern Thailand ) and in the Malay Peninsula. The original description of J. oligantha matches very well with the type of J. remotifolia . Therefore, the former is placed as a synonym of the latter.