Fig. 6. Lasianthus caeruleus Pitard. A. Flowering branchs. B. Stipule. C. Abaxial leaf surfaces. D–E in Two new species of Lasianthus Jack (Rubiaceae) from southern Vietnam

Fig. 6. Lasianthus caeruleus Pitard. A. Flowering branchs. B. Stipule. C. Abaxial leaf surfaces. D–E. Close-up of calyces, flower buds and young fruits. F. Close-up of inflorescences and flowers. Photos by Van-Son Dang on 26 Jul. 2019.Published as part of Dang, Minh Quan, Nguyen, Manh Ha, Hoang, Nghia Son, Nguyen, Thi Mai Huong, Truong, Ba Vuong & Dang, Van Son, 2022, Two new species of Lasianthus Jack (Rubiaceae) from southern Vietnam, pp. 19-31 in European Journal of Taxonomy 806 on page 28, DOI: 10.5852/ejt.2022.806.1697, http://zenodo.org/record/637394