Monday, May 24, 2010

This Is Not a Weed? Depends on Who You Ask; Boston, MA

This Is Not a Weed - The Boston Globe#readerComm#readerComm#readerComm#readerComm:
What makes a plant worth our admiration? Peter Del Tredici, a senior research scientist at the Arnold Arboretum, walks up a short grassy hill near the South Street Gate and points to what he considers to be the Arboretum’s most amazing tree: the dwarf beech, a tree seemingly born from a German expressionist landscape, its knobby branches folded into a series of right angles that create a canopy resembling barbed wire. It’s one of many impressive trees in the Arboretum’s 265 acres in Jamaica Plain, which are carefully managed by a team of professional horticulturists.
But on this sunny spring afternoon, Del Tredici is interested in a far less spectacular destination: an area just outside the gate across South Street known as Stony Brook Marsh, where untamed vegetation grows atop an abandoned trash heap. On one side, a brackish pond is filled with invasive phragmitis reeds. On the other, a hillside of rubble has been colonized by a haphazard forest of thin trees. Along the path, stalks of Japanese knotweed poke insistently from the ground. It’s filled with species that are often called “invasive,” “noxious,” and “weed,” the kinds of plants that conservationists rail against and homeowners consider unsightly.

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