Guettarda valenzuelana A. Rich.

Guettarda laevis Urban, Symb. Ant. 1: 433. 1899
A tree 20 meters high or less, the branches grayish-brown, lenticellate, the stout branchlets minutely fulvous-strigillose, becoming glabrate, the internodes short; stipules triangularlanceolate, acuminate, 5-6 mm. long, strigose-sericeous, deciduous; leaves opposite, the very stout petioles 1-3 cm. long; leaf-blades obovate, oval, rounded-oval, or elliptic-oval, 5-13 cm. long, 4—7 cm. wide, rounded at the apex, broadly rounded to acutish at the base, coriaceous, sparsely pilose with minute appressed hairs or glabrate, dull-green above, the venation subimpressed, beneath paler and brownish, the costa and lateral nerves prominent, the latter 7-9 on each side, subarcuate, divaricate at an angle of 70-75 degrees, the veins inconspicuous, plane or scarcely prominulous, the margin plane; cymes 3-9-flowered, congested, the peduncles 5-8 cm. long, the flowers sessile, the bractlets oblong or lanceolate, 5-10 mm. long; calyx and hypanthium densely tomentulose, the calyx 3 mm. long, truncate or shallowly lobate; corolla white, tinged with pink outside, the tube 12 mm. long, densely retrorse-pilose outside, whitishpubescent within except near the base, the lobes about 7, obovate, one third as long as the tube; anthers 2.5 mm. long; style densely sericeous-pilose; ovary 2or 3-celled; fruit green, globose or oval-globose, 6-7 mm. in diameter, tomentulose.
Type locality: Forests of Mount Jimenes, Sierra de Luquillo, Porto Rico.
Distribution: Woods and thickets at higher elevations, western mountains of Porto Rico, also in Hispaniola.

Guettarda valenzuelana A. Rich, in Sagra, Hist. Cuba 11: 20
1850.
Guettarda hracleata Griseb. Mem. Am. Acad. II. 8: 506. 1862. Matlhiola bracteata Kuntze, Rev. Gen. 288. 1891.
A tree, sometimes 9 meters high, the branches gray or brownish, the branchlets stout, compressed, minutely scaberulous or glabrate, the internodes short or elongate; stipules deltoid, subulate-acuminate, 3 mm. long, deciduous; leaves opposite, the petioles stout, 2.5-12 mm. long, the blades oblong, obovate-oblong, obovate, or obovate-rhombic, 3.5-12 cm. long, 1.2-6 cm. wide, usually broadest above the middle, rounded to acutish at the apex, cuneate to roun-^ed at the base, coriaceous, glabrous, green above, the costa impressed, the lateral nerves usually' plane, the veins usually evident and reticulate but scarcely prominulous, beneath brownish, the costa and lateral nerves prominent, the latter 5-9 on each side, subdivaricate or ascending at an obtuse angle, the veins obscure or prominulous, laxly reticulate, the margin revolute; cymes subcapitate, 3-5-flowered, the peduncles stout, 1-7.5 cm. long, the flowers sessile, the bractlets linear-oblong, about equaling the calyx; calyx and hypanthium tomentulose, the calyx truncate; corolla white, tinged with red, the tube 12 mm. long, pilose outside, the lobes 5 or 6, obovate, one fourth to one third as long as the tube; fruit globose, 6-8 mm. in diameter, 3or 4-celled, tomentulose.
Type locality: Vuelta de Abajo, Pinar del Rio, Cuba.
Distribution: Hills and mountains of Habana, Pinar del Rio, and Oriente, Cuba.

Guettarda valenzuelana là một loài thực vật có hoa trong họ Thiến thảo. Loài này được A.Rich. mô tả khoa học đầu tiên năm 1850.