thouarsii from Thouars; named after Louis Marie Aubert du Petit Thouars (1758-1831), french marine-oficer, who deserved himself on his journeys (1794-1802) by exploring the flora of Cape the Good Hope, Reunion and Madagascar, and wrote many botanical publications, including some about the plants he had discovered. (orthografie!!)
 
9246 164730 Bulbophyllum longiflorum Thouars W. Curtis, Bot. Mag., vol. 72 [ser. 3, vol. 2]: t. 4237 (1846) [W.H. Fitch]