United States, Texas, Starr, 7 miles E of Rio Grande on side of Highway No. 4.
Distributed in SW Texas, an erect annual herb, branched, on gravel hills and clay fields, on clay soil. Flowers racemose, salverform, yellowish. Leaves sessile, alternate, oblong to lanceolate. Fruit a dry, many-seeded capsule. The plant is poison to livestock. The leaves are very viscid and sticky.