Calamagrostis
noun
Cal·a·ma·gros·tis
| \ ˌkaləməˈgrästə̇s\
Definition of Calamagrostis
: a genus of tall mostly perennial grasses having single-flowered spikelets, the lemmas entire, and the rachillae usually extending beyond the palea into a hairy bristle or stalk — see bluejoint sense 1
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