Guettarda elliptica Sw.

Guettarda elliptica Sw. Prodr. 59. 1788
Guettarda Blodgettii Shuttl.; Chapm. Fl. S. U. vS. 178. 1860.
Guettarda reticulata Griseb. Mem. Am. Acad. II. 8: 506. 1862.
Matthiola elliptica Kuntze, Rev. Gen. 288. 1891.
Matthiola reticulata Kuntze, Rev. Gen. 288. 1891.
? Guettarda tetrandra Sesse & Moc. Fl. Mex. ed. 2. 218. 1894.
Guettarda Lindeniana var. reticulata Maza. Anal. Soc. Esp. Hist. Nat. 23: 289. 1895.
Guettarda Fuerlesii Urban, Repert. Sp. Nov. 17: 7. 1921.
Guettarda insularis Brand. Univ. Calif. Publ. Bot. 10: 416. 1924.
A .shrub or tree, sometimes 8 meters high, the branches slender, terete, grayish or ferruginous, often much roughened by numerous whitish lenticels, the branchlets slender or stout, appressed-pilose, leafy at the ends; stipules deltoid-acuminate, 2.5-3 mm. long, appressedpilo.se, subpersistent ; leaves opposite, the stout petioles 1-12 mm. long; leaf-blades usually oval or rounded-oval, sometimes oval-ovate or obovate, 1-7.5 cm. long, 1-4.5 cm. wide, usually rounded or obtuse and apiculate at the apex, sometimes acute or short-acuminate, truncate to acute at the base, membranaceous or chartaceous, bright-green above, sparsely and minutely appressed-pilose or glabrate, the co.sta and nerves plane or prominulous, the veins laxly reticulate, paler beneath, minutely appressed-pilose over the whole surface or in age glabrate, the costa and lateral nerves prominent, the latter 5-7 on each side, subarcuate, the veins inconspicuous, the margin usually plane; cymes axillary, dense, l-yflowered, usually 3-flowered, the slender or stout peduncles 0.5-3 cm. long, the flowers sessile, the bractlets minute or sometimes equaling the calyx; calyx and hypanthium minutely tomentulose and often short-pilose, the calyx 2-2.5 mm. long, truncate or obscurely lobate; corolla while, tinged with pink outside, antrorse-sericeous, the slender tube 6-9 mm. long, the 4 lobes rounded-obovate, 2-2.5 mm. long; fruit subglobose, 4-8 mm. in diameter, 2-4-cellcd, purplish.
Typk locality: Jamaica.
Distribution: Chiefly in dry thickets; southern Florida; Bahamas and the Creator Antilles; St. Thomas; Yucatan; Sinaloa, Nayarit, and Socorro Island; Venezuela.

Guettarda dichotoma Mart. & Gal. Bull. Acad. Brux. 11': 233
1844.
Donkelaaria dichotoma Lemaire, 111. Hort. 2: Misc. 72. 1855.
A shrub, the rather slender branches terete, dark-ferruginous, coarsely elevate-lenticellate, glabrate, the young branchlets densely pilose with short and long, chiefly spreading hairs; stipules small, ovate, obtuse, soon deciduous, appressed-pilosulous; leaves opposite, the petioles short, slender, minutely appressed-pilosulous; leaf-blades ovate to oblong-elliptic, 4—6 cm. long, 1.5-2.5 cm. wide, acute or subacute, obtuse to subtruncate at the base, membranaceous, green above, sparsely and minutely appressed-pilosulous, soon glabrate, the venation very slender and prominulous, scarcely paler beneath, densely and minutely appressed-pilosulous, the costa very slender, prominent, the lateral nerves 6 or 7 on each side, ascending at a narrow angle, the veins scarcely prominulous, inconspicuous ; peduncles axillary, 1-2 cm. long, slender, minutely pilosulous and hispidulous, the cymes dichotomous, rather few-flowered, much shorter than the leaves, the flowers sessile or on pedicels as much as 2.5 mm. long, the bracts and bractlets minute, deciduous; calyx and hypanthium minutely appressed-pilosulous, the calyx 1.5 mm. long, obscurely lobate; corolla densely and minutely antrorse-sericeous, the slender tube 6-8 mm. long, scarcely dilated upward, the 4 lobes rounded-ovate, almost 2 mm. long.
Type locality: Consoquitla, Veracruz, altitude 450-600 meters. Distribution: Veracruz.

Guettarda elliptica là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Sw. mô tả khoa học đầu tiên năm 1788.