Hymenachne
Hymenachne amplexicaulis (Rudge) Nees
Natural range: Florida to Argentina
Habitat: In our area, open, moist areas
Florida status: Native (?), unsusal
Recognition: Can exceed 3 m tall with stems 1 cm thick. Leaf bases strongly auriculate, with the lobes flanking the culm. Panicle is elongate and congested, hot-dog shaped.