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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Alismatales

Familia: Araceae
Subfamilia: Orontioideae
Genera: Lysichiton - Orontium - Symplocarpus

Paleogenera: † Orontiophyllum
Name

Orontioideae R.Br. ex Müll.Berol.
References

Kvaček, J. & Smith, S.Y. 2015. Orontiophyllum, a new genus for foliage of fossil Orontioideae (Araceae) from the Cretaceous of central Europe. Botanical Journal of the Linnean Society 178(3}: 489–500. DOI: 10.1111/boj.12256 Reference page.
Mayo, S.J., Bogner, J. & Cusimano, N. 2013. Recent progress in the phylogenetics and classification of Araceae. Early Events in Monocot Evolution. Cambridge University Press, Cambridge, pp.208–242. PDF Reference page.

USDA: GRIN Taxonomy for Plants[1] (23 March 2006)

Vernacular names
中文: (繁體)‎: 金棒芋亞科

Orontioideae is a subfamily of flowering plants in the family Araceae. The subfamily consists of three genera namely, Lysichiton (one to two species of skunk cabbage from North America and Asia), Orontium (golden club, one living species from eastern North America and two extinct species known from fossils), and Symplocarpus (several species of skunk cabbage from North America and Asia). Characteristics of Orontioideae include medium sized pollen grains and subterranean stems. Species in the subfamily have a base chromosome number of X=13.
References

Mayo, S.J., Bogner, J., and Boyce, J.C. (1998) The genera of Araceae project, Acta Botanica Yunnanica.
Bown, Deni (2000). Aroids: Plants of the Arum Family [ILLUSTRATED]. Timber Press. ISBN 0-88192-485-7

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