說明/ 常綠中喬木，樹高可達 20–25 公尺，樹皮灰色有光澤。單葉互生，長橢圓形，長 10–23 公分，寬 4–8 公分，先端尖銳， 基部圓或鈍。花有梗，單一或數朵簇生於無葉的枝條上。花期約5到10月，初開時為綠色，成熟後轉為黃色，香氣撲鼻。可提煉香精，是世界著名的「綺蘭」香油來源，用以製造高級香水。本校共栽有172 棵，植於學人宿舍道路兩旁。（陸維元攝）
An evergreen medium-sized tree that can grow to 20-25 m tall with a gray, glossy bark. The leaves are alternate, elliptic-oblong, 10-23 cm long, 4-8 cm wide, with pointed tips and round bases. The flower is long-stalked, appearing singly or in clusters on leafless branches. Flowering occurs from May to October, producing green flowers that turn yellow when ripe with a strong fragrance. It is valued for the perfume extracted from its flowers, called “Ylang-Ylang.” There are 172 Ylang Ylang trees on campus, growing on both sides of the Faculty House Trail. (Photo courtesy of Lu Wei-yuan)