A New Combination in Wattakaka (Asclepiadaceae)

Jasminanthes xuanlienensis (Apocynaceae, Asclepiadoideae), a new species from Vietnam

“…However, the very broad circumscription of Marsdenia adopted by Forster is not based on phylogenetic evidence and has not been generally accepted in later works. For instance Gymnema , also considered congeneric with Marsdenia by Forster (1995), was retained in floristic works such as Jagtap and Singh (1999) and Watson (1999). The phylogeny of Surveswaran et al (2014) does not address whether Gymnema should be merged with Marsdenia .…”

Taxonomy of the Asian Gymnema latifolium (Apocynaceae, Asclepiadoideae, Marsdenieae), including lectotypification of the synonymous G. khandalense

“…2004;ramachandran & natarajan 2010;natarajan 2011). Jagtap & Singh (1990, 1999 treated G. khandalense under Bidaria, a subgroup of Gymnema that is no longer accepted as a separate taxon (cf. omlor 1997, and see results and discussion).…”