Plants with slight or no odor of coumarin or vanilla. Basal leaves less than 15 × 4 cm; midstem leaves narrowly elliptic, margins entire, apices appressed to stems. Primary head-bearing branches diverging from main axes at 30-45°. Florets mostly 10-14.

Flowering (Sep-)Oct-Nov. Burned pine savanna-flatwoods, dry prairies; 0-50 m; Fla.

Variety subtropicanus, which occurs in the southern half of Florida, is mostly allopatric with var. odoratissimus. Intergrades occur where their ranges meet (S. L. Orzell and E. L. Bridges 2002).