Trees, shrubs or herbs, sometimes scandent. Leaves opposite, simple, with or without stipules. Inflorescences cymose, terminal or axillary, simple or compound, the cymes sometimes reduced to solitary flowers; flower regular. Calyx small, inferior, 4 or 5-toothed. Corolla 4 or 5-lobed, with short to long tubes. Stamens 4 or 5, inserted on corolla tube and alternating with the lobes; anthers 2-celled. Ovary free, 2-celled; style simple, the stigma capitate or bifid; ovules one or more in each cell, placentation axile. Fruit a septicidal capsule or indehiscent berry, 1- to many-seeded. Seeds with abundant endosperm.
A large tropical and subtropical family with about 29 genera and nearly 500 species. Six genera in Taiwan.
Li, P. T. & A. J. M. Leeuwenberg. 1996. Loganiaceae. In Z. Y. Wu & P. H. Raven (eds.), Flora of China, Myrsinaceae through Loganiaceae, Vol. 15. Science Press, Beijing and Missouri Botanical Garden, St. Louis, pp. 320-338.
Yamazaki, T. 1993. Loganiaceae; Buddlejaceae. In K. Iwatsuki, T. Yamazaki, D. E. Boufford and H. Ohba (eds.), Flora of Japan, Vol. IIIa, Angiospermae, Dicotyledoneae, Sympetalae(a). Kodansha Ltd., Tokyo, pp. 136-138; 244-258.