animals appearance Asian-elephant-subspecies big browsers close color colored colors colour coloured colours communicating connected connecting elephant-hide elephants elephas-maximus-indicus enclosure endangered Females grazers habitat-loss hair hairy heavy herbivore hide Indian-elelphants intelligent mammal megaherbivores skin strength strong style texture textures tough trunks wrinkled wrinkles wrinkly zoo abundant angles appearances castor-beans castor-oil castor-oil-plant castor-seeds cluster clusters common cotyledons Euphorbiaceae fast-growing flower flowers foliage highly-toxic inflorescences invasive large large-leaves leaf leaves medicinal palm-of-Christ palma-Christi poison poisonous ricinus-communis seed-pods seedhead shrub shrubbery spiky-green-seed-capsule spiny surface surfaces textured toxic toxins vegetation wasteland-weed weed widespread