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 tomentosa var. cochinchinensis Pierre ex Pitard in Lecomte Fl. Gén. Indo-Chine 3: 1192 (1933). LECTOTYPE . — Pierre 1047 , Vietnam s. loc., designated by Ngan , Ann. Miss. Bot. Gard. 52: 153 (1965) . Second step lectotypification (A), designated here. NGAN (1965) designated Pierre 1047 as the type from amongst the various syntypes but did not give a herbarium where the lectotype could be found. No specimen could be found at P so the specimen in A has been designated as lectotype .