Zanthoxylum rhodoxylon (Urb.) P. Wilson

Zanthoxylum rhodoxylon (Urban) P. Wilson & Bull. Torrey Club 37 : 85. 1910.
Fagara Rhodoxylon Urban, Sytnb. Ant. 5: 530. 1908.
A forest tree 10-17 m. high, with a trunk sometimes 6 dm. in diameter, the branches grayish or brownish-gray, unarmed ; leaves equally pinnate, rarely odd-pinnate, glabrous, 5.5-14 cm. long, the petioles and rachis wingless ; leaflets 2-6, narrowly to broadly obovate or somewhat lanceolate, 3-7 cm. long, 1-3.9 cm. broad, sessile or petioluled, the blade often decurrent on the petiolule to the base or nearly so, glabrous, rounded and emarginate or abruptly short-acuminate at the apex, cuneate at the base, the margin entire, revolute, shining above, paler beneath, reticulate-veined, coriaceous, pellucid-glandular, the glands numerous, elevated or impressed ; inflorescence 3-5 cm. long, terminal or in the axils of the upper leaves, its branches slender ; staminate flowers : sepals 4, triangular to broadly triangular; petals 4, ovate, 2-2.5 mm. long, 1.1-1.5 mm. broad, glandular, obtuse or somewhat acutish at the apex ; pistillate flowers unknown ; follicles subglobose, blackish-brown, the surface somewhat wrinkled and pitted ; seeds ovoid or subglobose, 4.5-5 mm. long, 4-4.5 mm. broad, blackish-red, more or less wrinkled.
Type locality : Tyre, near Troy, Jamaica. Distribution : Jamaica.