Purpletop

From Wikipedia, the free encyclopedia

"Purpletop" is also colloquial for Purpletop Vervain (Verbena bonariensis), a common ornamental plant.

Purpletop
Scientific classification
Kingdom: Plantae Division: Magnoliophyta Class: Liliopsida Order: Cyperales Family: Poaceae Genus: Tridens Species: T. flavus
Binomial name
Tridens flavus (L.) A.S. Hitchc.

Purpletop (Tridens flavus), also Red Top and Greasegrass, is a large, robust perennial bunchgrass, native to North America. The seeds are purple, giving the grass its common name. The seeds are also oily, leading to its other common name, "greasegrass". It reproduces by seed and tillers. The grass is often confused with Johnson grass.

[edit] External links

• Samuel Roberts Noble Foundation
• USDA Natural Resources Conservation Service