. _:b76449409 . _:b76449409 . _:b76449409 "TROPICOS id" . . . . . "853216" . "Dioscorea sect. Dematostemon" . "Dioscorea sect. Dematostemon" . "Dioscorea sect. Dematostemon Griseb., 1842" . "Dioscorea sect. Dematostemon" . _:b76449409 "100446439" . . . . "100446439" . "Griseb., 1842" . _:b76449409 .