Hydrangea barbara (Linnaeus) B. Schulz. Climbing Hydrangea, Woodvamp, Decumary. Phen: May-Jun; Jul-Oct. Hab: Swamp forests and bottomlands, moist forests in the mountains. Dist: Se. VA south to FL and west to LA, s. AR, and e. TX (Singhurst, Keith, & Holmes 2005), inland to nw. SC, se. TN, and w. TN.

ID notes:This handsome vine climbs to the tops of trees via adventitious roots. The opposite leaves are somewhat fleshy in texture. Hydrangea barbara is readily distinguished from the other opposite-leaved, woody vines in our flora (Gelsemium, Trachelospermum, Lonicera, Bignonia, Campsis, and Clematis) by its leaves (simple, ovate, and usually serrate) and climbing structures (adventitious roots).

Origin/Endemic status: Endemic

Synonymy: = K4; = Decumaria barbara L. – Ar, C, F, Fl5, FNA12, G, GW2, K1, K3, RAB, S, S13, Tn, Tx, Va, W, WH3

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW (name change)
• Eastern Mountains and Piedmont: OBL (name change)
• Northcentral & Northeast: OBL (name change)

Heliophily: 4