Rubiaceae
Comparative images of this family are given below except for the genera Argostemma, Coffea, Debia, Dimetia, Exallage, Galium, Gardenia, Hedyotis, Hymenodictyon, Ixora, Ophiorrhiza, Lasianthus, Leptodermis, Leptopetalum, Luculia, Morinda, Mussaenda, Mycetia, Neanotis, Oldenlandia, Pavetta, Psychotria, Rubia, Scleromitrion, Spermacoce, Wendlandia (whose comparative images can be seen by clicking on these links): , Adina cordifolia (Roxb.) Brandis (India to China (Yunnan) and Pen. Malaysia (Perlis) as per WCSP) Adina rubella Hance (Introduced) (China North-Central;…