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Cercis Linnaeus. Subfamily: Cercidioideae. Redbud.

Key to Cercis

A genus of about 6-10 species, trees of north temperate areas. Apparently the basalmost (evolutionarily the earliest diverging) extant genus in the Fabaceae (Lewis et al. 2005).

ID notes: The palmately veined, cordate leaf blade (actually, the leaflet blade of a unifoliolate leaf) , with lower and upper pulvini on the petiole, is distinctive.

Ref: Ballenger & Vincent (2023) In Flora of North America Editorial Committee (2023a); Fritsch & Cruz (2012); Fritsch et al. (2018); Greene (1912a); Hopkins (1942); Isely (1975); Isely (1990); Isely (1998); Lewis et al. (2005); Robertson & Lee (1976). Show full citations.

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