A. gigantea may refer to: Aechmea gigantea, a plant species endemic to Venezuela Agathia gigantea, a moth species found in Java, Sumatra, Peninsular Malaysia and Borneo Agrostis gigantea, the redtop, a perennial grass native to Europe Aldabrachelys gigantea, a giant tortoise species of the Seychelles. Aristolochia gigantea, the Brazilian Dutchman's pipe or giant pelican flower, an ornamental plant species Arundinaria gigantea, a North American bamboo