Black-Fruited Rice Grass

(Oryzopsis racemosa)

Black-Fruited Rice Grass (Oryzopsis racemosa)

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Estimated Native Range
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Summary

Oryzopsis racemosa, commonly known as Black-Fruited Rice Grass, is a perennial grass that exhibits evergreen or semi-deciduous characteristics. It is native to a variety of habitats including dry sandy or gravelly soils, open woods, clearings, pine barrens, and wooded slopes in Eastern North America. This grass typically grows to a height and width of 1-3 feet (0.3-0.9 meters), forming dense tufts of fine-textured foliage. The inflorescences are subtle, with the dark-colored grains giving the plant its common name. Flowering occurs in late spring to early summer, and while the flowers are not particularly showy, they add a fine-textured element to the landscape.

Black-Fruited Rice Grass is valued for its adaptability to a range of soil conditions and its ability to thrive with minimal care, making it a suitable choice for naturalistic plantings and restoration projects. It is often used in wildflower meadows, as a ground cover, or for erosion control on slopes. This grass prefers part shade to full sun and requires low amounts of water once established, making it a drought-tolerant option. It is also appreciated for its contribution to biodiversity, providing habitat and food for wildlife. While generally low-maintenance, it can be susceptible to rust diseases under certain conditions.CC BY-SA 4.0

Plant Description

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

Growth Requirements

  • Sun: Part Shade, Full Sun
  • Water: Low
  • Drainage: Medium, Fast

Common Uses

Erosion Control, Low Maintenance

Natural Habitat

Dry sandy or gravelly soils, open woods, clearings, pine barrens, and wooded slopes in Eastern North America

Other Names

Common Names: Black-Seeded Mountain-Rice Grass

Scientific Names: , Oryzopsis racemosa, Patis racemosa, Piptatherum racemosum, Oryzopsis melanocarpa, Milium racemosum, Piptatherum nigrum, Urachne melanosperma, Urachne racemosa,

GBIF Accepted Name: Oryzopsis racemosa (Sm.) Ricker ex Hitchc.