Guettarda crenulata Urb. & Ekman

Guettarda crenulata Urban & Ekman; Urban, Ark. Bot. 21 A":
80. 1927.
A small tree with smooth bark; branchlets pulverulent-pilosulous, the older ones terete. grayish, with short or elongate internodes; stipules ovate, acute, sparsely pilose dorsally, up to 7 mm. long, deciduous; leaves opposite, the slender petioles 1-2 cm. long, minutely tomentulose; leaf-blades oblong to ovate-elliptic or elliptic-oblong, 4.5-8 cm. long, 2-4 cm. wide, chartaceous or subcoriaceous, obtuse or rounded at the apex, rarely minutely apiculate, rounded or subtruncate at the base, dark-green above, dull, pulverulent on the nerves, elsewhere minutely and obscurely pilose, the venation not elevated, pale beneath, pulverulent-tomentulose, the costa slender, prominent, the lateral nerves prominent, slender, 7-9 on each side, ascending at an angle of 30-40 degrees, almost straight, the veins reticulate but mostly hidden beneath the tomentum, the margin plane, minutely and irregularly crenate; flowers and fruit unknow^n.
Type locality: On limestone clifTs near Mouillage Anglais, La Tortue Island, Haiti. Distribution: Known only from the type locality.

Guettarda crenulata là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Urb. & Ekman mô tả khoa học đầu tiên năm 1927.