View source for Rhynchospora nivea

{{Treatment/ID
|accepted_name=Rhynchospora nivea
|accepted_authority=Boeckeler
|publications={{Treatment/Publication
|title=Linnaea
|place=37: 527. 1872
|year=1872
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Dichromena diphylla
|authority=Torrey
|rank=species
}} {{Treatment/ID/Synonym
|name=Dichromena nivea
|authority=(Boeckeler) Britton
|rank=species
}}
|hierarchy=Cyperaceae;Rhynchospora;Rhynchospora nivea
|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 nivea]]</div></div>
|volume=Volume 23
|mention_page=page 215
|treatment_page=page 216
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, cespitose, 10–40 cm, wiry; rhizomes absent. <b>Culms</b> erect to spreading-ascending, leafybased, trigonous or compressed, ribbed. <b>Leaves</b> exceeded by scape; blades narrowly linear to filiform, 0.2–2 mm wide, apex tapering, trigonous. <b>Inflorescences</b> terminal, solitary, headlike, dense, white, leafyinvolucrate, hemispheric to globose, 0.5–1.5 cm wide; involucral bracts (0–)1–4, ascending to recurved, green, (0.7–)2–5(–6) cm × 0.2–2 mm. <b>Spikelets</b> white, ovoid, 5–7 mm; fertile scales several, boat-shaped, 2.5–3.5 mm, keel curved, not sharp. <b>Flowers</b>: perianth absent. <b>Fruits</b> 0.8–1 mm; body yellow to near black, broadly pyriform-obovoid, tumidly lenticular, 0.5–0.8 × 0.5–0.8 mm, margin narrow, flowing into tubercle; surfaces transversely sharply wavyrugose, ridges bordered by rows of fine, linear, vertical lattices; tubercle depressedtriangular, lunate-based, shortbeaked 0.2(–0.3) mm, gray-crustaceous.</span><!--

-->{{Treatment/Body
|phenology=Fruiting spring–fall.
|habitat=Low, open, moist to wet, basic substrates of fens, meadows, seeps, and shores, limestone districts
|elevation=0–500 m
|distribution=Okla.;Tex.
|discussion=<p><i>Rhynchospora nivea</i>, of the “Dichromena” of North America, is the smallest fruited and most slender and has the fewest and shortest involucral bracts (in some plants the bract is entirely absent). Involucral bracts of <i>R. nivea</i> are almost entirely green.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Rhynchospora nivea
|authority=Boeckeler
|rank=species
|parent rank=genus
|synonyms=Dichromena diphylla;Dichromena nivea
|basionyms=
|family=Cyperaceae
|phenology=Fruiting spring–fall.
|habitat=Low, open, moist to wet, basic substrates of fens, meadows, seeps, and shores, limestone districts
|elevation=0–500 m
|distribution=Okla.;Tex.
|reference=None
|publication title=Linnaea
|publication year=1872
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_372.xml
|genus=Rhynchospora
|species=Rhynchospora nivea
}}<!--

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