I pretty sure it is this
Acalypha australis is a herbaceous annual plant, growing 20–50 centimetres tall. Its leaves are oblong to lanceolate, 3–9 cm long, 1–5 cm wide and borne on petioles 2–6 cm long. The flowers are borne in axillary panicles, forming inflorescences 15–50 mm long.
