Guettarda macrosperma Donn. Sm.

Guettarda macrosperma Donn. vSmith, Bot. Gaz. 18: 204. 1893
A shrub or tree, .sometimes 7.5 meters high, with a trunk 10 cm. in diameter, the rather slender branches dark-ferruginous, conspicuously whitc-lenticellate, the branchlets fulvouspilose when young with short, mostly appressed hairs, the internodes often elongate; stipules ovate-deltoid, 4 mm. long, filiform-acuminate, deciduous; leaves opposite, the slender or stout petioles 0.5-2.5 cm. long; leaf-blades oval to oval-elliptic, rhombic elliptic, or oblong, 4.5-13.5 cm. long, 2.5-7 cm. wide, acute, subacute, or acuminate, rounded to subacute at the base, membranaceous or subchartaceous, bright-green and sublu jtrous above, hispidulous when young with setiforin hairs, Khihrato in age, the cosla and nerves proniinulous, the veins inconspicuous, laxly reticulate, paler beneath, minutely appressed-i)ilose, the costa and lateral nerves slender, prominent, the latter 7-9 on each side, subarcuate, the veins inconspicuous, the margin plane; cymes axillary, few-flowered, at first dense, the branches in fruit as much as 2 cm. long, the slender or stout peduncles 1-5 cm. long, the flowers sessile, the bractlets suijulale, shorter than the calyx, deciduous; calyx and hyi)anthium tomentulose, the calyx 2-2.5 mm. long, truncate; corolla white, .sericeous outside, the tulie 12 mm. long, the 5 or 6 lobes oval, one third as long as the tube; fruit subglobose, 1-1.5 cm. in diameter, often dark-red, densely and finely tomentulose, 3or 4-celled.
Type locai-ity: Santa Rosa, Guatemala, altitude 900 meters.
Distribution: In forest and thickets, Guatemala and British Hoiuhiras In Panama, at elevations of 1300 meters or less.

Guettarda macrosperma là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Donn.Sm. mô tả khoa học đầu tiên năm 1893.