Bouvardia latifolia Standl.

Bouvardia latifolia Standley, sp. nov
Shrub, about 1.5 meters high, the branches stout, terete or subangulate, grayish, scaberulous when young ; stipule-sheath short, long-cuspidate, glandular-dentate ; leaves opposite, the petioles stout, 2-4 mm. long, pruinose-puberulent, the blades broadly ovate or rounded-ovate, 2.5-4 cm. long, 1.5-2.5 cm. wide, broadly rounded or subtruncate at the base, acute or acutish at the apex, thin, pale-green, concolorous, finely puberulent beneath along the veins or glabrous, the lateral veins conspicuous, usually 3 on each side, arcuate-ascending; inflorescence terminal, 3-5-flowered, sessile or long-pedunculate, the pedicels stout, 3 mm. long or shorter, scaberulous; hypanthium subglobose, 1-1.5 mm. long, scaberulous; calyx-lobes triangular or lance-triangular, 1-1.5 mm. long, acute, scaberulo-ciliolate; corolla pure white, glabrous outside, the tube 3-3.3 cm. long, 2 mm. thick above, glabrous within, the lobes oblong or elliptic, 6-7 mm. long, obtuse or acutish, spreading, glabrous within; anthers nearly sessile, 1.5-2 mm. long, included; style exserted.
Type collected on Monte de la Piedra, near Aguila, Guerrero, altitude 450 meters, July, 1898, E. Langlasse 246 (U. S. Nat. Herb. no. 385804).