ten-angled pipewort

Eriocaulon decangulare, commonly known as ten-angled pipewort, hat pin and bog button, is a monocotyledonous plant native to the eastern United States, Mexico and Nicaragua. The plant's distribution is quite irregular, with several disjunct populations and a discontinuous primary range. Most of its habitat in the United States runs along the Atlantic Coastal Plain, but some populations also occur in more mountainous regions. It is found in areas of relatively low elevation and the plant does...