Stevia
Cav.
Herbs or shrubs, erect. Leaves alternate or opposite, linear-orbicular, entire or
deeply lobed, usually glandular punctate, sessile or petioled. Heads in corymbose
panicles, discoid, 5-flowered. Involucral bracts 5, uniseriate. Corolla hairy or glandular
without, hairy within. Achenes fusiform or cylindrical, strongly 5-ribbed with few-many
glands or bristles. Pappus a crown of scales, with 1 - 30 bristles.
Southwestern United States through Mexico, C. America and S. America to Argentina; ca 200 species, 1 in India.
Literature. KING, R.M. & ROBINSON, H. (1975). Eupatoricae. Ann. Miss. Bot. Gard. 62: 995 - 1001. ROBINSON, B.L. (1930a). Observations on the genus Stevia. Contrib. Gray Herb. 90: 36 - 58. ROBINSON, B.L. (193Ob). The Stevias of North America. Contrib. Gray Herb. 90: 90 - 180.
Southwestern United States through Mexico, C. America and S. America to Argentina; ca 200 species, 1 in India.
Literature. KING, R.M. & ROBINSON, H. (1975). Eupatoricae. Ann. Miss. Bot. Gard. 62: 995 - 1001. ROBINSON, B.L. (1930a). Observations on the genus Stevia. Contrib. Gray Herb. 90: 36 - 58. ROBINSON, B.L. (193Ob). The Stevias of North America. Contrib. Gray Herb. 90: 90 - 180.
