Bottlebrush Grass

Elymus hystrix · Poaceae — grasses

Long awns stick sideways from an open flower spike, giving this woodland grass the shape of a bottle brush.

Dry bottlebrush-shaped grass heads with long spreading awns among woodland vegetation.
Dry bottlebrush-shaped grass heads with long spreading awns among woodland vegetation.

At a glance

Family: Poaceae — grasses
Habitat: Woodlands, woodland edges and river corridors
Height: About 2–5 feet
Season: Summer flowers and seed heads

How to recognize it

The spikelets spread almost at right angles from the central stalk. Their long awns create a loose, bristly outline. Unlike the compact cylindrical spikes of bottlebrush sedges, this head has clearly spaced grass spikelets.

About these photographs

The spreading, long-awned grass spikelets support the label. This photograph shows dry heads; a future green flowering view would make a useful companion.

Habitat

This native perennial grows in shaded and partly shaded woodland settings. The dry heads remain useful for recognizing its distinctive structure.

Take a closer look

The name describes its appearance, not its family: Bottlebrush Grass and Bottlebrush Sedge belong to different plant families.

Keep exploring

References: Species identification reference. Field photographs are compared with these references; they are not herbarium determinations.

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