Fruit Crawfurdia trinervis (Gentianaceae) Genting John Dransfield
Flower Crawfurdia trinervis (Gentianaceae) Brindiang John Dransfield
Flower Cotylanthera sp (Gentianaceae) Mulu NP, Sarawak John Dransfield
Flower Gentiana cruttwellii (Gentianaceae) N Cruttwell
Plant Portrait Exacum tetragonum (Gentianaceae) M.R. Henderson, Malayan wild flowers, Dicotyledons (1949-51, repr. 1974) 306
Plant Portrait Gentiana recurvifolia (Gentianaceae) Nova Guinea, Bot. 17 (1964) 391 f.9a-b