Amaranthus viridis

Annual, ascending to erect herb to 1 m high. Leaves long-petiolate, ovate to c. triangular, lamina 1–10 cm long, 6–60 mm wide; apex obtuse or emarginate. Inflorescence spicate, terminal (and usually also upper-axillary) simple or branched, mostly 5–15 cm long, moderately dense. Flowers unisexual; bracts and bracteoles ovate to broadly ovate, 0.5–1.2 mm long; tepals 3, narrowly obovate, c. 1.5 mm long, acute; stamens 3. Utricle indehiscent, shortly exceeding perianth, flattened-globoid, 1.5–2 mm long, finely wrinkled and/or tuberculate; seed lenticular, brown, dull to shiny, c. 1.2 mm diam. Flowers Dec.–Apr.