Allium giganteum, the giant onion, a perennial edible medicinal plant species
Sequoiadendron giganteum | Tricarpelema giganteum | Eriogonum giganteum | Equisetum giganteum | Cardiocrinum giganteum | Campanile giganteum | Allium giganteum |
Cardiocrinum giganteum, the giant Himalayan lily, the largest species of any of the lily plants found in the Himalayan
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Campanile giganteum, a species of exceptionally large fossil sea snail
Equisetum giganteum, a horsetail species native to South America and Central America
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Eriogonum giganteum, the St. Catherine's lace, a wild buckwheat shrub species
Sequoiadendron giganteum, the giant sequoia, Sierra redwood or Wellingtonia, a massive tree species
Tricarpelema giganteum, a monocotyledonous herbaceous plant species native to eastern India and Bhutan.
A second species, A. giganteum, was discovered in the Ethiopian highlands of Chilga in 2003.