TtUTACEAE 195 



petals 4 (5) ; stamens 4-5, inserted at the base of the disk; ovary usually 

 deeply 4 lobed, 4 celled; ovules 2 in each cell; style 4 lobed. Fruit 

 composed of 4 coriaceous, 3 valved cocci, 1-2 seeded. 



About 50 species in E. & S. Asia to Australasia, and the South 

 Sea Islands. In habit and appearance Evodia resembles Phellodendron, 

 but it is distinguished by the naked buds and capsular dehiscent fruits 

 displaying shiny black seeds at maturity. 



Evodia glauca Miquel. 



Tree to 16 m. tall with smooth bark. Leaflets usually 7 (5-11), 

 elliptic-ovate to oblong-lanceolate, long pointed, cuneate or rounded at 

 the base, glaucous below, 5-10 cm. long on short, hairy, slender stalks. 

 Flowers white in a much branched corymb. Fruit about 9 mm. long, 

 finely pubescent. 



Central China: Kiangsi, Hupeh. 



A very common tree in W. Hupeh. The wood is brittle. 



ZANTHOXYLUM 



Deciduous or evergreen shrubs or trees, often armed with prickles. 

 Leaves alternate, odd pinnate, 3 foliate or rarely unifoliate; leaflets entire 

 or crenate serrate, punctate. Flowers dioecious or polygamous, regular, 

 small, in cymes or panicles. Calyx 3-8 parted, rarely absent; petals 3-8; 

 stamens 3-8, inserted with the petals; pistils 3-5, distinct or connate; 

 style free or connate, with capitate stigma; ovules 2 in each cell. Fruit 

 composed of 1-5 globose, coriaceous capsules, dehiscing ventrally, each 

 carpel containing 1 or 2 hard, shiny, blue or black seeds. 



About 150 species in the tropics and warm temperate regions of both 

 hemispheres. The genus contains several shrubby species with aromatic 

 or bitter properties useful in medicine or as condiments. 



Zanthoxylum micranthum Hemsley. 



Tree sometimes 15 m. tall with dark trunk armed with stout 

 prickles. Branchlets spiny. Leaves pinnate, 13-26 cm. long; petiole 

 channeled ahove; leaflets 7-11, opposite or subopposite, lanceolate, long 

 acuminate, base rounded, slightly oblique, minutely dentate, pellucid 



