Toxicodendron radicans (L.) Kuntze

U.S.A.
Anacardiaceae Toxicodendron radicans (L.) Kuntze
det. M. Nee, 2015
WISCONSIN, Richland Co., 1.6 km WNW of center of Lone
Rock, Smith Lake Slough and Sand Prairie State Natural
Area.
43°iri3”N, 90°13,00”W. alt. 215 m.
T 8 N; R 2 E; SE'ANEVa Sect. 11.
Thin, brushy woods on dry sand terrace above marsh, with
Betula nigra, Prunus virginiana.
Loose patch of shrubs to 2.1 m. tall, with slender stems 1.7 cm.
in diameter; some nearby climbing into small trees with
adventitious roots and whether all are facultatively climbing or
whether the stature is genetically determined is uncertain.
Voucher for wood specimen, MADw Sap of cut stem quickly
turning black. Flowers pale green.
Coll.: M. Nee 62283	16 June 2015
Missouri Botanical Garden (MO)
02694570