A review of the Kew Database yields the following:
1- Dendrobium furcatum Reinw. ex Lindl., J. Proc. Linn. Soc., Bot. 3: 13 (1859). Homotypic Synonyms: Callista furcata (Reinw. ex Lindl.) Kuntze, Revis. Gen. Pl. 2: 654 (1891). Dolichocentrum furcatum (Reinw. ex Lindl.) Brieger, Schlechter Orchideen 1: 659 (1981). Heterotypic Synonyms: Dendrobium amabile Schltr., Repert. Spec. Nov. Regni Veg. 8: 505 (1910). Dendrobium sarasinorum Kraenzl. in H.G.A.Engler (ed.), Pflanzenr., IV, 50 II B 21: 55 (1910). Dendrobium celebicum A.D.Hawkes, Orquídea (Rio de Janeiro) 24: 114 (1962). 2- Dendrobium bronckartii De Wild., Gard. Chron., III, 39: 380 (1906). This name is a synonym. Accepted Name:Dendrobium amabile (Lour.) O'Brien, Gard. Chron., III, 46: 393 (1909). Three are two annotations for Dendrobium amabile one related to a- Dendrobium bronkartii Synonym :Dendrobium amabile Schltr., Repert. Spec. Nov. Regni Veg. 8: 505 (1910), nom. illeg. and o b- one related to the issue of Dendrobium furcatum Dendrobium amabile (Lour.) O'Brien, Gard. Chron., III, 46: 393 (1909). Accepted Name:Dendrobium furcatum Reinw. ex Lindl., J. Proc. Linn. Soc., Bot 3: 13 (1859). That should explain why Dendrobium broncartii is not listed among the synonyms for Dendrobium furcatum _______________________________________________ the OrchidGuide Digest (OGD) orchids@orchidguide.com http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com