Iva angustifolia var. latior Shinners; I. texensis R. C. Jackson

Annuals (rarely persisting), 20–60(–100+) cm. Stems usually erect. Leaves: petioles 0–2 mm; blades lance-linear to linear, 12–25(–45) × 1–4(–7+) mm, margins entire, faces scabrellous to hispidulous, gland-dotted. Heads in ± spiciform arrays. Peduncles 0–1 mm. Involucres ± prismatically turbinate, 2.5–3 mm. Phyllaries: outer 3–5 ± connate, ± herbaceous. Paleae linear, 1.5–2 mm. Pistillate florets 0–2+; corollas 0.3–0.8+ mm. Functionally staminate florets 2–5+; corollas 1.5–2 mm. Cypselae 2–3 mm. 2n = 32.

Flowering Sep–Nov. Disturbed sites, moist soils; 0–300 m; Ark, Fla., Kans., La., Okla., Tex.