Nomenclatural notes on species of Apocynaceae described from Cambodia, Laos and Vietnam Author Middleton, David J. Author Regalado J, Jacinto C. text Adansonia 2005 3 27 2 291 308 journal article http://doi.org/10.5281/zenodo.5186636 1639-4798 5186636 Wrightia balansae Pitard in Lecomte Fl. Gén. Indo-Chine 3: 1188 (1933). LECTOTYPE . — Balansa 2118 , Vietnam , Hà Tây , Tu Phap , designated by Ngan , Ann. Miss. Bot. Gard. 52: 137 (1965) . Second step lectotypification (P), designated here. NGAN (1965) designated Balansa 2118 as the type from amongst the various syntypes but did not give a herbarium where the lectotype could be found. One of the three collections in P has been lectotypified here .