Lectotype is designated for two names, Bignonia xylocarpa Roxb., Radermachera tonkinensis Dop and second-step lectotype is also designated for six names, Radermachera corymbosa Steenis, R. elegans Steenis, R. pentandra Hemsl., R. pierrei Dop, R. poilanei Dop and Stereospermum seemannii Rolfe.