Locality:
United States, Wisconsin, Sauk, 2.2 km SSE of center of Spring Green. Floodplain of Wisconsin River, along and beside long abandoned causeway of the old stretch of road from the Wisconsin River bridge to Spring Green.
Habitat:
Floodplain forest of Quercus biocolor, Acer saccharinum, Tilia americana, Ulmus americana, with some species of drier habitats on the causeway such as Veronicastrum virginicum.
Occurrence Remarks:
Shrub 4m. tall, 6 cm. in diameter, not common. Fruit green.