United States, Texas, Liberty, Along side road toward Trinity River, ca. 5 mi. S of Liberty, .4 mi. SW of hgwy. 563.
Roadside. Brown sand. Liquidambar complex. Assoc. w. Sesbania, Vitis sp., Ilex vom., Smilax sp., Quercus sp. Annual herb, .5 m. Bushy upright, wiry. Flower: yellow ray corollas, w. very dark red bases, brown-black disk florets, mild, resinous odor.