Guettarda argentea Lam.

Guettarda constricta Britton, Bull. Torrey Club 37: 358. 1910
A tree about 7 meters high, the branchlets terete, densely whitish-puberulent ; petioles stout, 1-6 cm. long, puberulent; leaf-blades broadly ovate or ovate-oval, 13-17 cm. long, 8-10.5 cm. wide, short-acuminate, obtuse to subcordate at the base, sometimes very unequal, firm, bright-green above, glabrous or puberulent along the veins, paler beneath, densely and minutely tomentulose, the lateral nerves prominent, 8 or 9 on each side; peduncles axillary, equaling or longer than the petioles, puberulent, the cymes several-flowered, the branches elongate; calyx and hypanlhiuni 4 inin. long, densely tonientnlose, the calyx truncate; corolla ?> em. long, the tube stout, 2.5 mm. thick, densely sericeous, the lobes rounded, ^ mm. long; fruit sessile, oval, 10-12 mm. long, 8-9 mm. thick, obtuse at the apex, narrowed at the base, constricted at the middle, finely pubcrulent.
Typk locality: Wooded hillside, Grove Place, Manchester, Jamaica. Distribution: Jamaica.

Guettarda potamophila Urban, vSymij. Ant. 6: 47. 1909
A tree about 10 meters high, the branches gray or brownish, the branchlets stout, subcompressed, glal)rous or nearly so, the internodes very short; stipules triangular-acuminate, 3 mm. long, deciduous; leaves opposite, the petioles slender, 2-6 cm. long, sparsely puberulent or apprcssed-pilosulous, the blades rounded-ovate or oval-ovate, 10-14 cm. long, 6.5-11 cm. wide, broadly and obtusely short-acuminate or acutish, subcordate at the base, chartaceous, green above, glabrous or sparsely puberulent on the impressed costa, smooth, the lateral nerves subimpressed or plane, beneath only slightly paler, rather sparsely pilose with very minute appressed hairs, the costa and lateral nerves prominent, the latter 7-9 on each side, subarcuate, the basal ones divaricate, the others ascending at an angle of about 50 degrees, the margin plane; cymes twice bifid, the peduncles slender, 7-12 cm. long, minutely tomentulose, the branches 1-2 cm. long, 3-7-flowcred, the flowers sessile; fruit globose, 5-7 mm. in diameter, minutely yellowish-tomentulosc, 4or 5-celled, the calyx deciduous.
Type locality: Between Lacovia and Elham Wharf, on islands of Black River, Jamaica. Distribution: Jamaica.

Guettarda argentea Lam. Encyc. 3: 54. 1789
Giiellarda speciosa L. Syst. Nat. ed. 10. 1270, in part. 1759. Not G. speciosa L. 1753.
G"i(e«arrf(Z aw/>!gz<rj DC. Prodr. 4: 455, in part. 1830.
Guettarda argentea var. glabrata Urban, Symb. Ant. 6: 47. 1909.
A tree 5-15 meters high, the branches stout,' terete, gray or reddish-brown, sparsely lenticellate, the branchlets stout, minutely puberulent or pilosulous, becoming glabrate, the internodes short; stipules deltoid-ovate or lanceolate, acuminate, 5-6 mm. long, deciduous; leaves opposite, the petioles stout or slender, 1-6 cm. long, the blades ovate, rhombic-ovate, obovate-rhombic, or rounded-oval, 6-14 cm. long, 4-9 cm. wide, acuminate or usually obtuse or rounded and very short-obtuse or acutish-acuminate at the apex, subcordate to obtuse at the base, chartaceous or subcoriaceous, green above, sublustrous, sparsely pilosulous or glabrous, the venation plane or subimpressed, beneath whitish, densely sericeous with lustrous hairs, the costa and lateral nerves slender, prominent, the latter 5-7 on each side, subarcuate, usually ascending at a very acute angle, the veins inconspicuous, the margin plane or subrevolute ; cymes once or twice bifid, the peduncles slender, 3-10 cm. long, minutely puberulent, the branches 1-4 cm. long, 3-10-flowered, the flowers sessile, the bractlets ovate, 2 mm. long, early deciduous; calyx and hypanthium tomentulose, the calyx 3 mm. long, more or less bilobate; corolla-tube 1.5-1.8 cm. long, densely retrorse-pilose outside, the lobes 5 or 6, one fifth to one fourth as long as the tube; ovary 3-5-celled; fruit globose, 6-8 mm. in diameter, minutely tomentulose, the calyx early deciduous.
Type locality: Jamaica.
Distribution: Mountains of Jamaica.

Guettarda argentea là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Lam. mô tả khoa học đầu tiên năm 1789.