Yeatesia platystegia (Torr.) Hilsenb.

PHENOLOGY.— Flowering: March, July–September; fruiting: March, July–August.

DISTRIBUTION.— U.S.A. (Tex.), Mexico (Coah., N.L., Tamps.).

HABITAT.— Thornscrub, oak forest, on limestone.

ELEVATION.— 320–700 meters.

NOTES.— Hilsenbeck (1989) provided a description of this species (Fig. 5L).

REPRESENTATIVE SPECIMENS.— Sierra de San Carlos, vic. of San Miguel, Cerro de la Tamaulipeca, H. Bartlett 10557 (ENCB, NY, U, US); Sierra de Tamaulipas, along Hwy. 70 between Soto la Marina and Cd. Casas E of Victoria, L. Brown 13279 (CAS); 5 km N del Ejido El Palmar en la cañada La Sardinia, 24°43ʹN, 098°54ʹW, J. Martínez & J. Mora 360 (MEXU); vic. of Victoria, E. Palmer 175 (F, GH); Buena Vista Hda., E. Wooton 18 (US).