Nastus is a genus of slender, erect, scrambling or climbing bamboos in the grass family.

[2][3] It is native to Southeast Asia, Papuasia, and certain islands in the Indian Ocean (Madagascar and Réunion).

[4] see Arundinaria, Bambusa, Cathariostachys, Cenchrus, Chusquea, Dendrocalamus, Dinochloa, Gigantochloa, Guadua, Melocanna, and Thamnocalamus Media related to Nastus at Wikimedia Commons