Purpletop
| Plant Profile | |
|---|---|
| FYUSE 3D Image |
Common Name: Purpletop Other Names: Greasegrass Species Name: Tridens flavus Plant Type: Grasses & Grass-like Family Name: Poaceae, Grass Family Tribe: Eragrostideae, Lovegrass Family |
Examples of PurpletopTridens flavus
| Plant Facts | |
|---|---|
| Origin | Native |
| Duration | Perennial |
| Season | Warm |
| Distribution in the U.S. | Eastern half of the country but not the extreme north |
| Distribution in Oklahoma | Eastern two-thirds of the state |
ID Characteristics
- Field Identification Characteristics
Vegetative
- Stems flatten and widen at base
- Coarse, dark green foliage
Floral
- Seed heads are dark purple
- Seed heads are oily to the touch; “Greasegrass”
- Single seed head per branch
- Leaf and Stem Characteristics
- Plant Height: 60-150 centimeters
- Ligule Type: Ciliate to ciliate membranous
- Sheath: Glabrous
- Leaves: Basal and cauline
- Floral Characteristics
- Inflorescence Type: Panicles
- Florets Per Spikelet: 3-6
- Glumes: Unequal
| Habitat/Ecology | |
|---|---|
| Soil Type | Various |
| Habitat | Rocky, uplands to bottomlands |
| Successional Stage | Mid |
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