Bluestem ['blu:stem]
须芒草属
bluestem[ noun ]
tall grass with smooth bluish leaf sheaths grown for hay in the United States
<noun.plant>
bluestem \bluestem\ n.
tall grass with smooth bluish leaf sheaths grown for hay in
Western U.S.
Syn: blue stem, Andropogon furcatus, Andropogon gerardii.
[WordNet 1.5]