Tragia urens L.

Herbs or subshrubs, 2–5 dm. Stems erect, green to purple-green, apex never flexuous. Leaves: petiole 0–2 mm; blade usually oblanceolate to linear, sometime elliptic, 2–8(–10) × 0.2–1.4 cm, base acute, margins entire or irregularly and shallowly sinuate, apex acute. Inflorescences terminal (often appearing leaf opposed), glands absent, staminate flowers 3–45 per raceme; staminate bracts 1–1.5 mm. Pedicels: staminate 1.3–2 mm, persistent base 0.3–0.6 mm; pistillate 3.5–4 mm in fruit. Staminate flowers: sepals 4–5, green, 1–1.5 mm; stamens 2, filaments 0.2–0.4 mm. Pistillate flowers: sepals linear, 1–1.8 mm; styles connate 1/4–1/3 length; stigmas undulate. Capsules 7–8 mm wide. Seeds brown with tan streaks, 3–4 mm. 2n = 44.