Orontioideae

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Orontioideae Temporal range: Late Cretaceous - Recent PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Clade:	Angiosperms
Clade:	Monocots
Order:	Alismatales
Family:	Araceae
Subfamily:	Orontioideae Mayo, Bogner, & Boyce
genera
Lysichiton Orontium Symplocarpus

Orontioideae is a subfamily of flowering plants in the Araceae family. 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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