Blunt-leaved Wilkweed
Asclepias amplexicaulis

f14 @ 1/640s, ISO:1250, Nikon D3S w 105mm macro

"Asclepias amplexicaulis," Wikipedia, the free encyclopedia. Asclepias amplexicaulis, the blunt-leaved milkweed or clasping milkweed, is a species of milkweed, in the subfamily Asclepiadaceae. It is native to the United States, where it is mostly found in the central and eastern regions. It grows in dry fields and open woods, usually in sandy soil. It grows 13 feet high and produces flowers in the summer. This plant was eaten as food historically. However, it contains a poison dangerous to humans and livestock, so caution must be used if ingesting this plant.
Francis A. Crane Wildlife Management Area, East Falmouth, Massachusetts