Tabernaemontana tonkinensis Pierre ex Pitard in Lecomte
Fl. Gén. Indo-Chine 3: 1154 (1933).
LECTOTYPE. — Clemens & Clemens 4056 (P), Vietnam, Quang Nam-Dà Nang, Tourane, designated by Leeuwenberg, Agric. Univ. Wag. Pap. 87-5: 3 (1988).
Note that this specimen is also the neotype of Tabernaemontana bovina Lour.