Rhynchospora rubra
Rhynchospora rubra is a member of the sedge family, Cyperaceae. It found throughout southeast Asia, Oceania, and western and southern Africa. Rhynchospora rubra grows between 25 and 100 centimeters tall. It features a distinctive spherical spikelet at the end of its stem, a trait it shares with Rhynchospora holoschoenoides, but can be distinguished by the absence of spikelets on multiple branches, as R. rubra possesses only a single spikelet on its central stem. References

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rubra
Flora of West Tropical Africa
Flora of Southern Africa
Flora of Madagascar
Flora of Southeast Asia
Flora of Oceania
Plants described in 1790
Plants described in 1903