Fig. 4. Chassalia atropurpurea T.Y in Revision of Chassalia (Rubiaceae-Rubioideae-Palicoureeae) in Borneo, with 14 new species

Fig. 4. Chassalia atropurpurea T.Y.Yu sp. nov. A. Flowering shoot. B. Capitulum. C. Longitudinal view of corolla. D. Dry fruit. E. Pyrene ventral surface. A–C from Paul Chai S 33830; D–E from Paul Chai S 36121. Drawn by T.Y. Yu.Published as part of Turner, Ian M. & Cheek, Martin, 2021, Revision of Chassalia (Rubiaceae-Rubioideae-Palicoureeae) in Borneo, with 14 new species, pp. 1-60 in European Journal of Taxonomy 738 on page 10, DOI: 10.5852/ejt.2021.738.1261, http://zenodo.org/record/459454