Stenandrium dulce (Cav.) Nees

PHENOLOGY.— Flowering: July–September; fruiting: July–September.

DISTRIBUTION.— USA (Fla., Tex.), Mexico (Ags., Chih., Coah., D.F., Dur., Gro., Gto., Hgo., Jal., Méx, Mich., Nay., N.L., Oax., Pue., Qro., S.L.P., Sin., Tamps., Ver., Zac.), Central America, South America.

HABITAT.— Thornscrub, on limestone.

ELEVATION.— 10–175 meters.

NOTES.— Daniel (1984) and Daniel and Acosta C. (2003) provided descriptions of this species (Fig. 5G).

REPRESENTATIVE SPECIMENS.— 20 mi E of the San Fernando – Santander Jiménez hwy. on rd. to Loreto, 11 mi W of Loreto, M. Johnston & J. Crutchfield 5535A (TEX, US) ; Papalote de la Mirandeña, 3 mi SSW of headquarters, Loreto Ranch, 24°20ʹN, 98°W, M. Johnston & J. Crutchfield 5568B (US) ; S of Lomas del Real, 7 mi N of main hwy., M. Johnston & S. Graham 4539 (TEX); Morales, H. LeSueur 546 (F, LL); Flor de Mayo, 50 mi SW of Matamoros, R. Runyon 417 (TEX, US) ; 2 mi S of Marcella, between Peña Nevada and Hermosa, L. Stanford et al. 2522 (DS, US) ; sierra near San Vicente, Jaumave, H. von Rozynski 456 (F, P) .