Chamaecrista greggii var. macdougaliana

Title

Chamaecrista greggii var. macdougaliana

Authors

Howard S. Irwin, Rupert C. Barneby

Scientific Name

Chamaecrista greggii var. macdougaliana (Rose) H.S.Irwin & Barneby

Description

34c. Chamaecrista greggii (A. Gray) Pollard ex A. Heller var. macdougaliana (Rose) Irwin & Barneby, stat. nov. Cassia macdougaliana Rose, Contrib. U.S. Nat. Herb. 12: 267. 1909.—"Collected by J. N. Rose in company with Dr. D. T. MacDougal near Tehuacán, Puebla, September 1, 1906 (no. 11253, type) . . ."—Holotypus, US! isotypi, NY (2 sheets)!—Chamaecrista macdougaliana (Rose) Britton & Rose, N. Amer. Fl. 23(5): 283. 1930.

Lvs up to 8-16 mm; larger lfts up to 5-7.5 x 2-3.7 mm; venulation as given in key.—Collections: 13.

Stony calcareous desert hillsides, ±1200-1800 m, local in the Tehuacán Desert of s. Puebla and immediately adjoining Oaxaca.—Fl. VII—IX.