United States, Texas, Cameron, Resaca Park, Brownsville, Texas.
Habit erect, herb, in colonies; habitat low boggy or moist ground; annual; perennial roots; soil clay; flowers are in terminal spikes; color cream; odor none; month Feb.-June; leaves are at base or nearly none; fruit in terminal clusters; bark green; roots fibrous-creeping. Abundant during the spring months in low wet or moist ground.