Nastus

Nastus is a genus of slender, erect, scrambling or climbing bamboos in the grass family. It is native to Southeast Asia, Papuasia, and certain islands in the Indian Ocean (Madagascar and Réunion).

see Arundinaria, Bambusa, Cathariostachys, Cenchrus, Chusquea, Dendrocalamus, Dinochloa, Gigantochloa, Guadua, Melocanna, and Thamnocalamus