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Hydrangeaceae Dumortier. Hydrangea Family.

Key to Hydrangeaceae

A family of about 17 genera and 190-220 species, trees, shrubs, vines, and herbs, primarily north temperate. As here interpreted, the family Hydrangeaceae includes two well-marked groups, the Hydrangeae (including Hydrangea s.l.) and the Philadelpheae (including Deutzia and Philadelphus). The traditional recognition of genera in the Hydrangeeae (such as Decumaria as separate from Hydrangea) is problematic, as shown by Yang et al. (2023a) and others.

Ref: Freeman (2016a) In Flora of North America Editorial Committee (2016); Hufford (2004) In Kubitzki et al. (2004); Soltis, Xiang, & Hufford (1995); Spongberg (1972); Xiang et al. (2002); Yang et al. (2023a). Show full citations.

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image of plant© Edwin Bridges | Hydrangea | Original Image ⭷
image of plant© Alan Cressler: Philadelphus hirsutus, Ketona Dolomite, Big Goat Glade, Kathy Stiles Freeland Bibb County Glades Preserve, The Nature Conservancy, Bibb County, Alabama 1 by Alan Cressler | Philadelphus source | Original Image ⭷
image of plant© Gary P. Fleming | Deutzia | Original Image ⭷
image of plant© Alan M. Cressler | Philadelphus | Original Image ⭷
image of plant© Erik Danielson | Deutzia source | Original Image ⭷
image of plant© Gary P. Fleming | Hydrangea | Original Image ⭷


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