Skunk cabbage Symplocarpus renifolius, photographed by Alpsdrake.

Belongs within: Araceae.

The Orontioideae are a group of aroid plants found in North America and eastern Asia. They are united by an expanded non-linear leaf blade, anatropous or hemianatropous ovules, a sparse or absent endosperm, and a base chromosome number of x = 13.

|–Orontium [Orontieae] NS06
|    `–O. aquaticum NS06
`–+–Lysichiton NS06
|    |–L. americanus NS06
|    `–L. camtschatcensis NS06
`–Symplocarpus [Symplocarpeae] NS06
|  i. s.: S. nabekuraensis NS06
|–S. nipponicus NS06
`–+–S. foetidus NS06
`–S. renifolius NS06

*Type species of generic name indicated


[NS06] Nie, Z.-L., H. Sun, H. Li & J. Wen. 2006. Intercontinental biogeography of subfamily Orontioideae (Symplocarpus, Lysichiton, and Orontium) of Araceae in eastern Asia and North America. Molecular Phylogenetics and Evolution 40 (1): 155–165.

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