Machaonia haitiensis Urb. & Ekman

Machaonia haitiensis Urban & Ekman; Urban, Ark. Bot. 20A':
59. 1926.
A shrub, the branches terete, the young branchlets pulverulent-pilosulous, the internodes
0.7-1.5 cm. long, some of the branchlets spinose; stipules semilunate, linear-apiculate, 1 mm.
long; leaves opposite, the petioles 2-3 mm. long; leaf-blades ovate-orbicular or suborbicular,
8-17 mm. long, 7-15 mm. wide, acute or acutish, rounded at the base and short-decurrent, the
costa and nerves prominulous on both surfaces, the lateral nerves 2 or 3 on each side, charta-
ceous, minutely pulverulent; inflorescences terminal and from the upper axils, forming a panicle
as much as 4 cm. long, pulverulent; hypanthium narrowly obtriangular; calyx-lobes ovate or
obovate, rounded at the apex, in anthesis 1.2-1.4 mm. long, in fruit ovate-oblong; corolla white,
2.5 mm. long, pulverulent, the tube short-turbinate, the lobes equaling the tube, ovate, rounded
or subtruncate at the apex; anthers 0.4 mm. long; style 2.2 mm. long, glabrous, bilobate at
the apex; fruit obovate-triangular, 3 mm. long, narrowly 4-sulcate, minutely and densely
pilosulous.
Type locality: Montagnes du Trou d'Eau, Morne a Cabrits, on calcareous hillsides, altitude 200-300 meters.
Distribution: Known only from the type locality.

Machaonia haitiensis là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Urb. & Ekman mô tả khoa học đầu tiên năm 1926.