Northern Prairie Wildlife Research Center
Northeast Wetland Flora
Field Office Guide to Plant Species
Agrostis perennans (Walter) Tuckerman
- Family: Grass (Gramineae)
- Flowering: July-October
- Field Marks: This Agrostis is distinguished by its smooth panicle branches and its usually
green panicle branches with 5-9 whorls of branches.
- Habitat: Woods, thickets, open areas, stream banks.
- Habit: Tufted perennial grass.
- Stems: Upright or sometimes spreading, slender, smooth, up to 3 feet long.
- Leaves: Elongated, flat, ascending, rough along the edges, 1/8-1/4 inch wide.
- Flowers: Borne in spikelets, the spikelets many in a more or less open panicle, usually
green but sometimes bronze-colored, the panicle up to 1 foot long, with 5-9 whorls of
branches, the branches smooth to the touch.
- Spikelets: 1-flowered, 1/10-1/8 inch long, the glumes pointed, the lemma shorter than the
- Sepals: 0.
- Petals: 0.
- Stamens: 3.
- Pistils: Ovary superior.
- Fruits: Grains ellipsoid, smooth.
- Notes: This family is called Poaceae by Gleason and Cronquist.
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