Guettarda aculeolata Urb.

Guettarda aculeolata Urban, Symb. Ant. 7: 546. 1913
A tree, the branches terete, grayish, lenticcllate, the branchlets stout, divaricate, shortaculeolate and densely pilose with short, spreading or ascending hairs, densely leafy; stipules triangular-lanceolate, 2-3.5 mm. long, acuminate, pilose, subpersistent ; leaves opposite, the petioles stout, 1-2 mm. long, minutely pilose, the blades ovate-elliptic to ovate-oblong, 1-3 cm. long, 0.5-1 cm. wide, acutish or subacuminate, obtuse or rounded at the base, chartaceous, green above, sparsely short-pilose with mostly appressed hairs, the costa and lateral nerves slender, prominent, slightly paler beneath, thinly white-sericeous, the laternal nerves prominent, 4-7 on each side, arcuate, the veins obsolete, the margin plane or subcrispate; peduncles slender, 1-2.5 cm. long, densely short-aculeolatc, short-pilose, 1-3-flowercd, the flowers sessile or shortpedicellate, the bractlets linear-lanceolate, 1.8-2.5 mm. long, persistent; calyx 2.5 mm. long, truncate or obscurely bilobate, sericeous; corolla violet, 1.3-1.7 cm. long, densely antrorsesericeous, the lobes 5 or rarely 6, rounded, about one fifth as long as the tube, this pubescent within in the lower part; anthers 2.3 mm. long, the tips exserted; style short-pilose below; ovary 2or 3-celled.
Type locality: Las Canitas. Province of Azua. Santo Domingo. Distribution: Known only from the type locality.

Guettarda aculeolata là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Urb. mô tả khoa học đầu tiên năm 1913.