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 XXXIX . BRITTON AND ROSE VOL II PLATE XXXIX Eaton del Flowering branch of Weberocereus tunilla Flowering branch of Weberocereus biolleyi Flowering branch of Werckleocereus tonduzii flower of Werckleocereus glaber All natural size Plate XXXIX Illustration biodiversitylibrary org title Britton