View source for Rhynchospora knieskernii

{{Treatment/ID
|accepted_name=Rhynchospora knieskernii
|accepted_authority=J. Carey
|publications={{Treatment/Publication
|title=Amer. J. Sci. Arts, ser.
|place=2, 4: 25. 1847
|year=1847
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Rhynchospora;Rhynchospora knieskernii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Rhynchospora]]</div><div class="higher-taxon"><small>species</small>[[Rhynchospora knieskernii]]</div></div>
|volume=Volume 23
|mention_page=page 202, 212
|treatment_page=page 211
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, cespitose, to 50 cm; rhizomes absent. <b>Culms</b> erect to arching, leafy, linear to filiform, nearly triangular. <b>Leaves</b> ascending, overtopped by culm; blades flat, linear to filiform, to 1.8 mm wide, apex distally involute, trigonous, setaceous. <b>Inflorescences</b> terminal and axillary, spikelet clusters 2–4, widely spaced, the lowest near plant base; clusters compact, broadly turbinate to hemispheric, to 1.5 cm wide; leafy bracts curved, setaceous, slightly to greatly overtopping subtended compounds. <b>Spikelets</b> dark brown, lance-ellipsoid, 2–3 mm; fertile scales 2 mm, apex acute, midrib short-excurrent or not. <b>Flowers</b>: perianth bristles 6, ± as long as fruit body, retrorsely barbellate. <b>Fruits</b> mostly 2 per spikelet, 1.5–1.9 mm; body brown with yellowish center, ellipsoid, lenticular distal to short stipe, 1–1.3 × 0.6–0.8 mm; tubercle triangular, 0.3–0.6 mm, distinctly shorter than fruit body.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer–fall.
|habitat=Moist to wet pine barrens, sand pits, borrow pits
|elevation=0–100 m
|distribution=Del.;N.J.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Rhynchospora knieskernii</i> is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Rhynchospora knieskernii
|authority=J. Carey
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer–fall.
|habitat=Moist to wet pine barrens, sand pits, borrow pits
|elevation=0–100 m
|distribution=Del.;N.J.
|reference=None
|publication title=Amer. J. Sci. Arts, ser.
|publication year=1847
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_363.xml
|genus=Rhynchospora
|species=Rhynchospora knieskernii
}}<!--

-->[[Category:Treatment]][[Category:Rhynchospora]]