No images found for this plant ID: 2639.
Ensure images are uploaded to the Media Library and tagged with "2639" in the "plant_image_tag" taxonomy.
tall oat grass
Scientific Name: Arrhenatherum album
Family: Poaceae
Category: Monocot
Growth:
Duration:
Other Names:
False Oat-Grass (Arrhenatherum elatius)
Arrhenatherum elatius, commonly known as false oat-grass, tall oat-grass, tall meadow oat, onion couch, and tuber oat-grass, is a perennial grass species. It is a tall, fluffy-looking grass often found in grasslands, roadside verges, and disturbed grounds.
Considerations for Pets
- The text notes that the stems of Arrhenatherum elatius can be bulblike at the base.
Considerations for Children
- The text notes that the stems of Arrhenatherum elatius can be bulblike at the base.
Taxonomy and Nomenclature
- Scientific Name: Arrhenatherum elatius (L.) Presl, and Arrhenatherum elatius (L.) Beauv. ex J. & K. Presl
- Family: Poaceae (Grass family)
Distribution and Habitat
- Native to temperate Europe and Asia.
- Introduced to North America.
- Found in grasslands, roadside verges, hay meadows and disturbed grounds.
Ecological Role
- Considered a non-native species in some parts of the United States.
- Can be invasive, forming dense stands that shade and out-compete native species for light, moisture, and nutrients.
Morphological Characteristics
- Perennial grass growing up to 50-150 cm tall.
- Loosely tufted grass with erect, smooth stems 28-70 inches tall.
- Stems are occasionally bulblike at the base.
- Leaves are quite broad and flat.
- Plants grow in tufts and do not spread by rhizomes (in the *elatius* variety).
Interactions with Other Organisms
- Tall oatgrass mosaic virus (TOgMV) is known to infect this species.
- Can be a food source for some animals.