Myriophyllum crispatum
Myriophyllum crispatum is a species of water milfoil native to Australia.
Description
Myriophyllum crispatum has tall stems. The leaves grow in whorls of 5–8. Submerged leaves are thread-like with 12–20 leaflets. Intermediate leaves are thicker with 6–8 short pinnae, transitioning into smooth linear terete forms.Myriophyllum crispatum is monoecious. The male flower has 4 cream to dark brown or purple petals. The female flower lacks petals.