三叶蜜茱萸 san ye mi zhu yu

Fagara triphylla Lamarck, Encycl. 2: 447. 1788; Acronychia minahassae (Teijsmann & Binnendijk) Miquel; Ampacus incerta (Blume) Kuntze; A. triphylla (Lamarck) Kuntze; Bergera ternata Blanco; Euodia anisodora Lauterbach & K. Schumann; E. awadan Hatusima; E. glaberrima Merrill; E. incerta Blume; E. laxireta Merrill; E. microsperma F. M. Bailey; E. minahassae Teijsmann & Binnendijk; E. philippinensis Merrill & L. M. Perry; E. triphylla (Lamarck) Candolle; Melicope awadan (Hatusima) Ohwi & Hatusima; M. curranii Merrill; M. densiflora Merrill; M. gjellerupii Lauterbach; ?M. kanehirae Hatusima; M. luzonensis Engler ex Perkins; M. mahonyi F. M. Bailey; M. mindanaensis Elmer; M. monophylla Merrill; M. monophylla var. glabra Elmer; M. nitida Merrill; M. obtusa Merrill; M. odorata Elmer; M. rupestris Lauterbach; Zanthoxylum triphyllum (Lamarck) G. Don.

Shrubs or trees, 1.5-6 m tall, dioecious or sometimes monoclinous or andromonoecious. Young branchlets 3-4 mm wide in third internode. Leaves 3-foliolate (occasional leaves 1-foliolate), glabrous; petiole 2-6.5 cm; leaflet blades obovate, oblanceolate, or rarely elliptic, in terminal leaflet 5-12 × 2-4.5 cm, apex acuminate or rarely acute. Inflorescences axillary, 3-7 × 2-6 cm; peduncle obsolete or to 1.5 cm. Pedicel 1.5-3 mm and of similar length in fruit, glabrous. Sepals 0.5-0.8 mm, glabrous or with a few trichomes at apex, connate at base or to ± half their length, persistent in fruit. Petals 2.5-3.5 mm, deciduous in fruit. Stamens 8, in male and bisexual flowers those opposite sepals 2-4 mm and in female flowers 0.5-3.5 mm; filaments at least in male and bisexual flowers acute to subulate at apex. Gynoecium glabrous, in female and bisexual flowers 0.8-1.6 mm, in male flowers 0.3-0.5 mm. Fruit follicles subglobose, 3-4.5 mm, glabrous. Seeds ellipsoid to obovoid, 3-4.5 mm, attachment Type A.

Forests, thickets, open places; low elevations. Taiwan [Indonesia, Japan (Ryukyu Islands), New Guinea, Philippines; SW Pacific islands].