Purpletop
Purpletop is a common name for several plants and may refer to: *''Tridens flavus ''Tridens flavus'', the purpletop tridens, red top, or greasegrass, is a large, robust perennial bunchgrass native to eastern North America. It widespread throughout its range and is most often found in man-made habitats, such as hay meadows an ...'', purpletop tridens *'' Verbena bonariensis'', purpletop vervain {{Short pages monitor ...
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Tridens Flavus
''Tridens flavus'', the purpletop tridens, red top, or greasegrass, is a large, robust perennial bunchgrass native to eastern North America. It widespread throughout its range and is most often found in man-made habitats, such as hay meadows and lawns. 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 the similar looking Johnson grass (''Sorghum halepense''), although it is only distantly related. ''Tridens flavus'' is easily distinguished by its short, hairy ligule. It is a larval host to the common wood nymph, crossline skipper, little glassywing, and the Zabulon skipper The Zabulon skipper (''Lon zabulon'') (sometimes called the southern dimorphic skipperJames A. Scott (1986). ''The Butterflies of North America''. Stanford University Press, Stanford, CA. ) is a North American butterfly first described by the ....The X ...
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