shrub, 1-3 m tall.
or whorled and entire. Broad leaves are ovoid to elliptic,
with pointed ends. Leaves 7-15 cm long, 3-10 cm broad.
Flowers are small white tubes, formed on globose heads
about 3 cm in diameter. Clusters appear as balls or
'buttons' following summer flowering period.
of lakes, ponds, freshwater marshes, forested wetlands,
along streams throughout NC, but less frequent in the
Twigs have raised elongated lenticels. A brown triangular
membrane is present between petioles. Spherical 'buttons'
persist through winter. Early settlers were said to
have used the buttons in clothing. When flowering, butterflies
are strongly attracted.