Toxicodendron radicans (L.) Kuntze

Anacardiaceae Toxicodendron radicans (L.) Kuntze
det. M. Nee, 2015
WISCONSIN, Richland Co., 3.8 km. E of Gotham, Button
Bluff.
43°13’07”N, 90°14’32”W. alt. 235 m.
T 9 N; R 2 E; NEVSNWV* Sect. 34.
Young woods of Prunus serótina, Cary a cordiformis, Celtis
occidentalism base of S-facing Wisconsin River bluff.
Vine tightly appressed to a tree trunk by a fuzzy mass of
adventious roots, the stem 6 cm. in diameter; sap
immediately oxidizing black and eventually forming a tarry
ring around the periphery. Voucher for wood specimen,
MADw. Leafy branches slender, to 2.5 m. long, spreading
horizontally. Leaves beginning to turn red-orange. Fruit
pale yellow, turning white.
Coll.: M. Nee 62655	23 Sept. 2015
Missouri Botanical Garden (MO)
02695834