Amaranthus grandiflorus

Erect annual to c. 40 cm high. Stems glabrous or sparsely glandular-hairy on youngest growth. Leaves long-petiolate, narrowly ovate to narrowly rhombic, lamina mostly 1–4 cm long, 4–12 mm wide; apex obtuse to acute, sometimes shortly mucronate. Flowers unisexual, in axillary clusters c. 12 mm diam., sometimes the clusters becoming crowded and almost spike-like toward the branch-tips; bracts and bracteoles ovate, acuminate, 1–2; tepals 5, obovate, 4–7 mm long, recurved toward apex, acute, sometimes with a mucro to c. 1 mm long; stamens 3. Utricle indehiscent, flattened-ellipsoid, slightly shorter than perianth, transversely wrinkled; seed ovate, biconvex, 1.5–2 mm long. Flowers Feb.–Jun.