Sandspur

Sandspur refers to a group of plants in the genus Cenchrus, commonly known for their spiny burs that readily attach to clothing, fur, and other surfaces. These plants are grasses, typically found in sandy soils, and are often considered weeds due to their persistent nature and the nuisance caused by their seed heads.

The most well-known species is Cenchrus echinatus, native to tropical regions of the Americas but now widespread globally. Sandspur plants are annuals or perennials, depending on the species and climate. They produce narrow, flat leaves and distinctive flower spikes that develop into the characteristic spiny burs. These burs contain the seeds and are designed for dispersal by animals or other means.

The spiny nature of the sandspur burs makes them a significant problem for livestock owners, as they can cause injury and discomfort to animals that ingest them or get them stuck in their coats. In agricultural settings, they can reduce crop yields and complicate harvesting. Control methods often involve mechanical removal, herbicide application, or encouraging healthy turf growth to outcompete the sandspur. Despite their common name, sandspurs are not related to true spurges in the genus Euphorbia.