Stenostomum jamaicense (Urb.) Borhidi

Antirhea jamaicensis Urban, Symb. Ant. 1: 435. 1899
Slenoslomiou bifurcatum Gnseh.Fl.Brh.VJ. Jnd. 333. 1861. Not S. bifurcaliim DC. 1830.
A large or small tree, the branchlets very stout, grayish or brownish, glabrous, not resinous; stipules deltoid-ovate, 5-8 mm. long, acute or acutish, appressed-pilose outside near the base, caducous; petioles stout, 1-2 cm. long, glabrous; leaf -blades oval-oblong, oval, or oval-elliptic, 7-12 cm. long, 2.5-7 cm. wide, often inequilateral, usuall}^ obtuse and very shortly acuminate, obtuse or acute at the base, firm-chartaceous, sublustrous above, glabrous, the costa and nerves impressed, beneath brownish, when young thinly appressed-pilose, glabrate in age but usually short-barbate in the axils of the nerves, the costa stout and prominent, the lateral nerves 5-9 on each side, slender, prominent, slightly arcuate, ascending at a rather wide angle, the veins obscure, the margin plane or recurved; cymes bifid, the branches 3-5 cm. long, glabrous, the peduncles 3.5-6.5 cm. long, the flowers numerous, sessile, approximate, ebracteolate; calyx and hypanthium 2.5 mm. long, densely sericeous, the calj'x shallowly 5-lobate, shorter than the hypanthium; corolla 6 mm. long, densely strigose-sericeous outside, the 5 lobes rounded, 1.5 mm. long; anthers included; fruit oval or ellipsoid, 6-12 mm. long, 5-8 mm. thick, 2-celled.
Type locality: Jamaica.
Distribution: Mountain forests of Jamaica.

Stenostomum jamaicense, synonym Antirhea jamaicensis, is a species of plant in the family Rubiaceae. It is endemic to Jamaica.

Stenostomum jamaicense là một loài thực vật có hoa trong họ Thiến thảo. Loài này được (Urb.) Borhidi miêu tả khoa học đầu tiên năm 1993.