This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The Cactaceae Plate XIV . BRITTON AND ROSE VOL II Kauin del Part of branch of Dendrocereiis nudi Flowering branch of the same Flowering branch of Nyctocereus gnatemalensis Natural size Plate XIV Illustration biodiversitylibrary org title Britton Nathaniel Lord Rose NameFound Machaerocereus NameConfirmed Machaerocereus