Guettarda filipes Standl.

Guettarda filipes vStandley, Contr. U. S. Nat. Herb. 20: 210
1919.
Branches blackish or ferruginous, lenticellate, the slender branchlets densely pilo.se, with elongate internodes; stipules triangular-lanceolate, filiform-acuminate, 5 mm. long, deciduous; leaves opposite, the slender petioles 3-8 mm. long, short-pilose; leaf-blades ovate, elliptic, or oblong-elliptic, 3-5.5 cm. long, 1.2-2.5 cm. wide, short-acuminate, rounded to subacute at the base, membranaceous, green above, densely short-pilose, at least when young, the venation plane, paler beneath, densely pilose with short, whitish, mostly spreading hairs, the costa and lateral nerves prominulous, the latter about 7 on each side, subarcuate, the veins mostly obsolete, the margin plane; cymes lax, few-flowered, the peduncles subfiliform, 1.3-3.5 cm. long, pilose, the branches short, .slender, the flowers partly sessile and partly on slender pedicels 1-3 mm. long, the bractlets linear, equaling or much longer than the calyx; calyx and hypanthium appressed-pilose, the calyx 1.5 mm. long, shallowly bilobate; corolla minutely sericeous outside, the slender tube 6-7 mm. long, the lobes rounded, 1-1.5 mm. long, glabrous within; ovary 2-celled.
Type locality: Near Huasemote, Durango. Distribution: Known only from the type locality.

Guettarda filipes là một loài thực vật có hoa trong họ Thiến thảo. Loài này được Standl. mô tả khoa học đầu tiên năm 1919.