Guettarda crispiflora subsp. poasana (Standl.) C. M. Taylor

Guettarda poasana vStandley, Jour. Wash. Acad. 18: 182. 1928
A shrub or small tree 3-6 meters high, the branchlets stout, compressed, glabrous, with short internodes; stipules ovate, 2 cm long, long-acuminate, thin, brown, glabrous, deciduous; leaves opposite, the slender petioles 2-7 cm. long, glabrous; leaf-blades elliptic, broadly elliptic, or elliptic-ovate, 13-19 cm. long, 5-9 cm. wide, short-acuminate, acutish to short-acuminate at the base, membranaceous, green above, glabrous or when young very sparsely short-pilose, the venation mostly plane, paler beneath, appressed-pilose when young, glabrate in age, the costa and lateral nerves very slender, prominent, the latter 8 or 9 on each side, arcuate, extending almost to the margin, the veins inconspicuous, the margin plane; peduncles 3 cm. long or shorter, glabrous, the cymes bifurcate, about 9-flowered, with short branches, the flowers sessile, the bractlets minute; calyx and hypanthium together 2-2.5 mm. long, the hypanthium glabrous or nearly so; calyx shallowly dentate, puberulent or glabrous; corolla pink, densely tomentose outside, the tube 15-20 mm. long, 2.5 mm. thick in the throat, the lobes suborbicular, 4 mm. long.
Type locality: Wet forest at Viento Fresco, on the slopes of Poas Volcano, Alajuela, Costa Rica, altitude about 1800 meters.
Distribution: Wet mountain forest of central Costa Rica, at 1800-2100 meters.