The endemic lava cactus (Brachycereus spp) growing in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

brachycereus galapagos islands ecuador endemic species volcanic rock flora cacti wildlife nature ecosystem biodiversity conservation plant life unique plants arid region geology sunlit landscape natural habitat eastern pacific regional flora endangered species volcanic environment island ecology rugged terrain indigenous plants conservation efforts tropical environment plant adaptation arid land desert flora volcanic activity natural beauty eco tourism travel destinations botanical study rare species native plants ecological balance rock formations sustainable tourism conservation area geological wonders endemic lava cactus spp