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Thinopyrum obtusiflorum is a species of grass known by the common names tall wheatgrass, [1] rush wheatgrass, and Eurasian quackgrass. It is native to Eurasia and it has been introduced to many other parts of the world, including much of the Americas and Australia. [2] This perennial bunchgrass can grow up to 2 meters tall.
The plant is a warm season ornamental grass which typically grows in graceful, spreading clumps from 2–3 ft (0.61–0.91 m) tall and wide. It features narrow, medium to deep green leaves (to 1/2" wide) in summer, changing to golden yellow in fall, and fading to beige in late fall. The foliage usually remains attractive throughout the winter.
Arrhenatherum elatius is a species of flowering plant in the grass family Poaceae, commonly known as false oat-grass, [1] and also bulbous oat grass (subsp. bulbosum), [2] tall oat-grass, tall meadow oat, onion couch and tuber oat-grass.
Festuca (fescue) is a genus of flowering plants belonging to the grass family Poaceae (subfamily Pooideae).They are evergreen or herbaceous perennial tufted grasses with a height range of 10–200 cm (4–79 in) and a cosmopolitan distribution, occurring on every continent except Antarctica. [2]
Along with true grasses (Poaceae), several other families of grass-like plants are typically marketed as ornamental grasses. These include the sedges (Cyperaceae), rushes ( Juncaceae ), restios (Restionaceae), and cat-tails (Typhaceae).
Tall fescue is a long-lived tuft-forming perennial with erect to spreading hollow flowering stems up to about 165 cm (5'6") tall (exceptionally up to 200 cm) which are hairless (glabrous), including the leaf sheaths, but with a short (1.5 mm) ligule and slightly hairy (ciliate) pointed auricles that can wrap slightly around the stem.
It is an herbaceous perennial grass, growing to 0.8–2 m (3–7 ft) tall, rarely 4 m (13 ft), forming dense clumps from an underground rhizome. The leaves are 18–75 cm (7–30 in) tall and 0.3–2 cm broad. The flowers are purplish, held above the foliage.
Tridens flavus, known as purpletop, purpletop tridens, tall redtop, greasy grass, and grease grass, [1] [2] [3] is a large, robust perennial bunchgrass. The seeds are purple, giving the grass its common name. The seeds are also oily, leading to its other common name, "grease grass". It reproduces by seed and tillers.