Rhynchospora caduca, commonly called anglestem beaksedge,[1] is a species of flowering plant in the sedge family (Cyperaceae).

It is native to North America, where it is found in the southeastern United States.

[2][3] Its typical natural habitat is in low, wet areas, such as in marshes, seeps, tidal swamps, pine savannas, and flatwoods.

[2][4] Rhynchospora caduca is a cespitose perennial, usually with short scaly rhizomes.

It is tall for a Rhynchospora, growing up to 150 cm high.