[2] It grows in moist areas, such as wet sand, and thrives in calcareous soils.
J. articulatus was found to be more sensitive to drought and salt stress than its congeners J. acutus and J.
The stem may root at nodes, and it generally has one or more flattened hollow cylindrical leaves up to 10 centimeters long.
Transverse internal partitions or joints may be seen or felt in the leaf of the plant.
Each individual flower has greenish to dark brown, pointed tepals 2 to 3 millimeters long, six stamens bearing anthers, and a protruding, feathery pistil.