Hoffmannia excelsa (Kunth) K. Schum.

Deppea excelsa (H.B.K.) Standley
Psychotria excelsa H.B.K. Nov. Gen. & Sp. 3: 355. 1819. Choristes excelsa Benth.; Walp. Rep. 2: 506. 1843. Deppea tenuiflora Benth. PI. Hartw. 349. 1857.
Shrub, the branches slender, grayish, bifariously puberulent when young, the internodes elongate; stipules minute, deltoid; petioles slender, 3-10 mm. long, puberulent; leaf -blades ovate, elliptic-oblong, or lance-oblong, 3-7.5 cm. long, 1.5-3 cm. wide, acute to attenuate at the base, subabruptly acuminate or attenuate at the apex, very thin, bright-green above, sparsely pilose when young, the venation plane or prominulous, paler beneath, puberulent or sparsely pilose along the veins, glabrate in age, the lateral veins slender, arcuate; inflorescence axillary, umbellate, 3-10-flowered, the peduncles 3-10 mm. long, the pedicels slender, 2-5 mm. long; hypanthium glabrous; calyx-lobes minute, deltoid, acutish; corolla glabrous, the tube cylindric, the lobes oblong, obtuse, slightly longer than the tube; capsule turbinate, 3-4 mm. long, conspicuously costate ; seeds minute, dark reddish-brown.
Type locality: Near Jalapa, Veracruz, altitude about 1345 meters. Distribution: Veracruz and Chiapas.

Hoffmannia uniflora Standley, Contr. U. S. Nat. Herb. 20: 204
1919.
Branches fruticose, slender, brownish, the branehlets very slender, subterete, bifariously rufous-puberulent, the internodes short; stipules deltoid, acutish, 1 mm. long, deciduous; leaves opposite, the petioles slender, 3-6 mm. long, sparsely puberulent, the blades narrowly oblong-elliptic or lance-elliptic, 4—8 cm. long, 1-2 cm. wide, attenuate to the base, acuminate or long-acuminate at the apex, membranaceous, deep-green above, glabrous, paler beneath, sparsely puberulent along the veins or glabrate, the lateral nerves very slender, about 6 on each side, arcuate-divaricate or ascending; flowers mostly solitary, sometimes in 2-flowered cymes, the pedicels slender, 3-6 mm. long, glabrate; calyx-lobes linear, acute, in fruit 2-3 mm. long; fruit oval, 6-7 mm. long, 5-6 mm. wide, costate, glabrous; seeds minute, brownish, coarsely reticulate.
Type locality: Near Cohan, Alta Verapaz, Guatemala, altitude 1100 meters. Distribution: Known only from the type locality.

Hoffmannia excelsa (H. B. K.) K. Schumann, in Mart. Fl. Bras
6 6 : 327. 1889.
Psychotria excelsa H.B.K. Nov. Gen. & Sp. 3: 355. 1819. Coffea lanceolata Schlecht. & Cham. Linnaea 6: 412. 1831. Ilixxinsia mexicana Link, Klotzsch. & Otto, Ic. PI. Rar. 57. 1841. Choristes excelsa Benth.; Walp. Rep. 2: 506. 1843. Hoffmannia mexicana Hemsl. Biol. Centr. Am. Bot. 2: 37. 1881. Deppea excelsa Standley, N. Am. Flora 32: 89. 1921*
A slender, often densely branched shrub 60-120 cm. high, the branches grayish or green, densely ferruginous-puberulent when young, the internodes short or elongate; stipules minute, deltoid, deciduous; leaves small, opposite, the slender petioles 3-13 mm. long, puberulent; leaf-blades obovate, elliptic, or elliptic-oblong, 2-9.5 cm. long, 0.7-3 cm. wide, acute to acuminate, rarely obtuse, acute to attenuate at the base or rarely obtuse or rounded, membranaceous, bright-green and glabrous above, paler beneath, puberulent or villosulous on the veins, the lateral nerves slender, 4-6 on each side, arcuate-divaricate; cymes sessile or short-pedunculate, mostly 2-flowered, the slender pedicels 3 mm. long or shorter; calyx and hypanthium 2 2.5 mm. long, glabrous or nearly so, the calyx-lobes minute, deltoid; corolla yellow, 7 mm. long, sparsely puberulent or villous outside, the lobes oblong, obtuse or acutish, spreading, about twice as long as the tube; anthers subsessile, exserted; berries 2-celled, red, globose or oblong, 5-9 mm. long; seeds minute, brown, foveolate.
Type locality: Near Jalapa. Veracruz, altitude about 1345 meters.
Distribution!: Wet mountain forest. Veracruz, Oaxaca, and Chiapas.

Hoffmannia excelsa là một loài thực vật có hoa trong họ Thiến thảo. Loài này được (Kunth) K.Schum. mô tả khoa học đầu tiên năm 1889.