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Aristida stricta
Also called Pineland Three Awn, Wire Grass
Pineland threeawn (wiregrass) is a warm-season native grass of the Carolina sandhills and longleaf pine savannas, where it forms the understory. It depends on regular fire to flower and seed, so it does best in open, periodically burned sites rather than shaded or disturbed ground.
Aristida stricta, known as wiregrass or pineland three-awn grass, is a warm-season grass native to North America. The species dominates understory vegetation in sandhills and flatwoods coastal plain ecosystems of the Carolinas in the Southeastern United States. Its appearance is characterized by villous bristles (indument) on each side of its midrib and on the back of the involute leaf blade.
Aristida stricta ranges in size, but can reach a width of 15 centimeters at the base. The species' leaves are approximately 0.5 meters in length, with two to three leaves per tiller. The seeds of A. stricta are approximately 4.5 millimeters in length and 0.4 millimeters in width; a translucent brown in color.
A. stricta has been observed to have a negative association with agricultural history, as well as with general soil disturbance. However, it has been observed to have a positive association with a system's burn frequency.
There have been efforts to restore wiregrass communities, in which A. stricta is propagated from seed and then planted. A study conducted by the Tall Timbers Research Station found that plugs of A. stricta possessed the ability to dominate a low-density area of land through reproduction over the span of decades.
Most commonly found in longleaf pine savannas, this is a fast-growing species that regenerates quickly after fires (specimens may experience up to 2.5 centimeters of growth per day following a fire). The plant depends on regular summer burning in order to stimulate flowering and seed production, with May burns resulting in the greatest subsequent abundance of reproductive tiller. Additionally, A. stricta plays a foundational role in the facilitation of burns as its foliage accelerates the spread of lightning-set fires to the rest of the ecosystem.
Text excerpted from the Wikipedia article Aristida stricta by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
