Hoffmannia orizabensis Standl.

Hoffmannia orizabensis Standley, Contr. U. S. Nat. Herb. 20:
205. 1919. A low shrub, the branches slender, decumbent, rufous-villosulous when young; leaves opposite, the slender petioles 0.5-2 cm. long, rufous-villosulous or puberulent; leaf-blades elliptic or elliptic-oblong, 3-8 cm. long, 1-3 cm. wide, acute or subacuminate, acute at the base, membranaceous, deep-green above, rufous-villosulous along the costa, with numerous
conspicuous white cystoliths, paler beneath, rufous-villosulous along the veins, the slender
costa prominent, the lateral nerves slender, prominulous, 7-9 pairs, ascending, strongly arcuate;
cymes 4-flowered, the slender peduncles 1 cm. long, rufous-villosulous, the slender pedicels
2-3 mm. long; calyx and hypanthium sparsely villosulous, the hypanthium oblong-turbinate,
2.3 mm. long, the calyx-lobes narrowly triangular, acute; corolla 12-13 mm. long, sparsely
villosulous outside, the throat ampliate, the lobes ovate-oval, obtuse or rounded, half as long
as the tube; anthers obtuse.
Type locality: Region of Orizaba, Veracruz. Distribution: Known only from the type locality.

Hoffmannia orizabensis là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Standl. mô tả khoa học đầu tiên năm 1919.