Bouvardia conzattii Greenm.

Bouvardia conzattii Greenman, Proc. Am. Acad. 39: 92
1903.
Shrub, the branches slender, grayish or brownish, minutely puberulent or glabrous when young; stipules 3-7 mm. long; leaves opposite, the petioles 2 mm. long or shorter, the blades ovate or ovate-lanceolate, 1.5-4 cm. long, 0.5-2 cm. wide, rounded or obtuse at the base, acute to attenuate at the apex, yellowish-green above, puberulent or glabrate, paler beneath, puberulent along the veins; inflorescence terminal, cymose, few-flowered, the flowers shortpedicellate; hypanthium hemispheric, 1.5 mm. long, glabrate; calyx-lobes linear, acute, 3-5 mm. long, hirtellous; corolla red or yellowish-red, glabrous outside, 1.3-1.5 cm. long, the tube bearing a ring of hairs within above the base, the lobes deltoid-ovate, 2 mm. long; anthers subsessile, included.
Type locality: Oaxaca, at an altitude of 1,750 meters. Distribution: Oaxaca.