Gentianales of Thailand
Gentianales is an order of flowering plants, included within the asterid clade of eudicots. It comprises more than 16,000 species in about 1,138 genera in 5 families. More than 80% of the species in this order belong to the Rubiaceae family. Wikipedia
Family: Apocynaceae (Dogbane Family)
Genera: Adenium, Aganonerion, Amphineurion, Calotropis, Cascabela, Catharanthus, Cerbera, Ceropegia, Myriopteron, Plumeria, Rauvolfia, Streptocaulon, Telosma, Toxocarpus, Tylophora
Family: Rubiaceae (Coffee Family)
Genera: Catunaregam, Dentella, Ixora, Lasianthus, Mitracarpus, Morinda, Mussaenda, Oldenlandia, Paederia, Richardia