Hymenachne
Hymenachne amplexicaulis and Hymenachne calamitosaWeed profile
- Perennial
- Grass
- Weeds of National Significance (WoNS)
- Habitat: wetlands
Impact
Invades tropical wetlands. National ban on sale.Description
- Perennial aquatic grass to 3 m tall.
- Stems thick and creeping, forming roots at the joints.
- Leaves to 45 cm long with broad bases clasping around the stem.
- Seed-head dense and spike-like, to 50 cm long.