It is known that the Puya raimondii, a plant with a gigantic inflorescence that may reach up to 10 m in height, grows in the Qishqi river valley.
These plants are mainly located in the spacious forests from three places of Ancash: the gully of Ingenio in Catac, the punas of Cajamarquilla and the gully of Qishqi, also in Catac.