Guettarda colubrinoides Standl.

Guettarda colubrinoides Standley, Field Mus. Publ. Bot. 8: 358
1931.
Branches slender, terete, blackish-ferruginous, the young branchlets sparsely strigose, with elongate internodes; stipules early deciduous; leaves opposite, the slender petioles 2-3 cm. long, densely appressed-pilosulous or glabrate; leaf-blades oval or oval-elliptic, 13-15.5 cm. long, 8-10 cm. wide, acute or shortly acute-acuminate, shallowly or deeply cordate at the base, firm-membranaceous, dark-olivaceous above, puberulent on the veins, elsewhere glabrous, the costa and nerves prominulous, slightly paler beneath, sparsely subappressed-pilose on the veins, minutely and sparsely strigillose between them, the costa slender, elevated, the lateral nerves about 9 on each side, ascending at an angle of 45 degrees or less, very slender, prominent, arcuate, the veins prominent, pale, laxly reticulate; inflorescences axillary, cymose, densely fewor many-flowered, about 1 cm. long and broad, the peduncles 1 cm. long or less, densely appressed-pilosulous, the flowers sessile, the bracts large, elliptic or oblong, brownish, obtuse, sparsely sericeous on the outer surface, much longer than the calyx; hypanthium subglobose, almost 1 mm. long, very densely ochraceous-pilosulous, the calyx tubular, 1.7 mm. long, ferruginous, sparsely puberulent, truncate; corolla minutely cinereous-sericeous, the very slender tube 13 mm. long, scarcely ampliate upward, the 4 lobes spreading, oblong, 3 mm. long, obtuse, glabrous within; anthers oblong, semiexserted.
Typk locality: Paso del Carrizal, Tabasco. Distribution: Known only from the type locality.