Berlin "The typus of C. cordata var. grabowskii was heavy damaged at the end of WW2, making it difficult to interpret." - JB coll. Grabowski s.n. (1881) Herbarium Berlin

Singapore Herbarium sheet of C. cordata var. grabowskii (as C. grandis) collected near Matang, Sarawak. Note the very long tube. Coll. Haviland 2319 herbarium Singapore