Edinburgh New Philos. J. 17: 159. 1834 ,.
Plants 1–2 m, branches spreading. Leaves: petiole 5–10 mm; blade oblong, lanceolate, oblanceolate, or elliptic, 3–8 cm, margins entire or spinulose-serrulate, apex acute to abruptly short-acuminate, abaxial surface glabrous or sparsely hairy. Inflorescences fascicled or solitary, sessile, dense, 8–30-flowered, 2–4 (–5) cm; bracts ± deciduous, ovate, 2–2.5 mm. Pedicels 2.2–2.5 mm. Flowers: sepals whitish, broadly ovate, 1.5–2 mm, apex obtuse or rounded; corolla cylindric, 6–8 mm; filaments spreading-hairy, papillate; anthers 0.7–1.2 mm, with 2 awns, thecae divergent distally; ovary glabrous. Capsules (4.5–) 5–6 mm wide. Seeds angular; testa firm, papillose. 2n = 22.
Phenology: Flowering early-mid spring.
Habitat: Flood plains of black-water streams, coastal plain
Elevation: 0-200 m
Ala., Fla., Ga., La., Miss., N.C., S.C., Va.
"entire" is not a number.