Jointed Three-Awn

(Aristida junciformis)

Jointed Three-Awn (Aristida junciformis)

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Estimated Native Range
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Summary

Aristida junciformis, commonly known as Jointed Three-awn or Pineland Threeawn, is a perennial grass native to Eastern and Southern Africa, including Madagascar. It exhibits a moderate growth rate, reaching heights of 2-3 feet (0.6-0.9 meters). This grass is characterized by its wiry, upright form and fine-textured foliage, with green or brown flowers that are typically inconspicuous, blooming in the summer. The flowers give way to distinctive three-pronged awns that can catch on animal fur, aiding in seed dispersal.

Jointed Three-awn is valued for its drought tolerance and ability to thrive in poor, sandy soils, making it suitable for xeriscaping and restoration projects. It is also used to stabilize soil in areas prone to erosion. In cultivation, it requires full sun exposure and prefers fast-draining sandy soils, with low water needs once established. While not commonly used in ornamental landscaping, its resilience and low maintenance make it an option for naturalized areas or as a component in native plant gardens.CC BY-SA 4.0

Plant Description

  • Plant Type: Grass
  • Height: 2-3 feet
  • Width: 1-2 feet
  • Growth Rate: Moderate
  • Flower Color: N/A
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun
  • Water: Low
  • Drainage: Fast

Common Uses

Drought Tolerant, Erosion Control, Low Maintenance

Natural Habitat

Native to pine flatwoods, sandhills, and dry sandy habitats in the Southeastern United States

Other Names

Common Names: Pineland Threeawn

Scientific Names: Aristida junciformis , Aristida angustata , Aristida contractinodis , Aristida dewildemanii , Aristida galpinii , Aristida junciformis subsp. galpinii , Aristida junciformis subsp. galpinii , Aristida junciformis subsp. junciformis , Aristida junciformis subsp. macilenta , Aristida junciformis subsp. welwitschii

GBIF Accepted Name: