Agrostis gigantea
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Overview
- Appearance
- Agrostis gigantea is a perennial grass that makes a coarse turf and grows to 2-3 ft. (0.6-0.9 m) tall.
- Foliage
- Leaves are bluish green or greyish blue, narrow, sharp and about 0.4 in. (0.95 cm) wide and 8 in. (20.3 cm) long. The stems are slender, growing to 30-40 in. (76.2-101.6 cm) tall.
- Flowers
- The inflorescence is pyramidal and reddish in color--hence the common name of redtop. Flowers are yellow in color and bloom mid-spring.
- Fruit
- Fruit and seeds begin ripening in early summer. Seeds are very small and brown in color. Agrostis gigantea grows rapidly after seeding.
- Ecological Threat
- Agrostis gigantea occurs in areas with shallow water, in wet meadows, in grasslands, and along stream banks. It is native to Eurasia.
Resources
Carey, Jennifer H. 1995. Agrostis gigantea. Fire Effects Information System, U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory [1]
Global Invasive Species Database. 2011. Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission [2]
USDA Natural Resources Conservation Service [3]
USDA NRCS PLANTS [4]
USDA ARS GRIN [5]
www.eFloras.org [6]
Images from Bugwood.org
