Machaonia martinicensis (DC.) Standl.

Machaonia rotundata Griseb. Fl. Brit. W. Ind. 348. 1861 A shrub or small tree, up to 3 meters high, unarmed, the branches brown, sparsely lenticellate, the branchlets stout, reddish-brown, minutely puberulent, the internodes eloi stipules 3-4 mm. long, deltoid, subulate-acuminate; leaves opposite, tinpetioles stout, 3 10 mm. long, puberulent or glabrate, the blades oval, oval-elliptic, broadly ovate, elliptic-oblong, or suborbicular, 5-9 cm. long, 2-5.5 cm. wide, rounded to acutish at the base, broadly short acuminate at the apex or rarely obtuse, membranaceous, green above, often lustrous, glabrous, the venation impressed, paler beneath, glabrous, or sparsely barbate in the axils of the nerves, the lateral nerves prominent, 5-8 on each side, arcuate; inflorescence a much-branched, pyramidal or hemispheric panicle, 6-13 cm. broad, the flowers densely glomerate, sessile or subsessile, the bracts usually Linear and 2-5 mm. long, sometimes larger and foliaceous; calyx and hypanthium 3 mm. long, glabrous or sparsely puberulent or short-pilose, the 5 calyx-lobes ovaloblong to suborbicular, shorter than the hypanthium; corolla 4-5 mm. long, white, glabrous outside, the tube broadly turbinate, the lobes oblong, obtuse, equaling or slightly shorter than the tube, the throat densely white-barbate; anthers exserted; fruit cuneate-oblong, 4.5-6 mm. long, brown, glabrous or nearly so.
Type locality: Jamaica.
Distribution: Jamaica; Costa Rica and Panama; growing usually in thickets near sea level.

Machaonia martinicensis là một loài thực vật có hoa trong họ Thiến thảo. Loài này được (DC.) Standl. mô tả khoa học đầu tiên năm 1940.