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Rhynchospora knieskernii
Also called Knieskern's Beaked Rush, Knieskern's Beak Rush
Rhynchospora knieskernii is a rare species of sedge known by the common name Knieskern's beaksedge. It is endemic to the state of New Jersey in the United States, where it occurs naturally in the Pine Barrens. Reports have cited it present in Delaware as well, but these populations appear to have been introduced. It is threatened by the destruction and degradation of its habitat. It is a federally listed threatened species of the United States.
This perennial sedge produces clumps of very narrow, triangular stems lined with thin leaves. Inflorescences occur at the tips and on the sides of the stems. Each contains two to four tight clusters of dark brown spikelets and leaflike bracts. The seeds require cold and wet stratification, as well as light, in order to germinate.
White beaksedge · Baldwin's beaksedge · Little beaksedge · Rhynchospora biflora · West Indian beaksedge · Anglestem beaksedge · California beaksedge · Needle beaksedge · Brownish beaksedge · Broadfruit horned beaksedge · Bunched beaksedge · Rhynchospora cephalotes
Text excerpted from the Wikipedia article Rhynchospora knieskernii by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
