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Heloniadaceae J. Agardh. Swamp-pink Family.

Key to Heloniadaceae

A family of 3 genera and 15 species, perennial herbs, of e. North America and e. Asia. We here accept a narrower circumscription of Melanthiaceae (excluding Trilliaceae, Xerophyllaceae, Chionographidaceae, and Heloniaceae) than currently traditional, based on the age, phylogeny, and morphological distinctiveness of these clades (see Kim, Kim, & Kim 2019, though they do not promote this interpretation).

Ref: Dahlgren, Clifford, & Yeo (1985); Kim, Kim, & Kim (2019); Tamura In Kubitzki (1998a); Zomlefer (1996); Zomlefer (1997a); Zomlefer et al. (2001). Show full citations.

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image of plant© Scott Ward | Helonias | Original Image ⭷