View source for Cyperus sphaerolepis

{{Treatment/ID
|accepted_name=Cyperus sphaerolepis
|accepted_authority=Boeckeler
|publications={{Treatment/Publication
|title=Linnaea
|place=35: 609. 1868
|year=1868
}}
|common_names=Rusby’s sedge
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Cyperus fendlerianus var. debilis
|authority=(Britton) Kükenthal
|rank=variety
}} {{Treatment/ID/Synonym
|name=Cyperus fendlerianus var. leucolepis
|authority=(Boeckeler) Kükenthal
|rank=variety
}} {{Treatment/ID/Synonym
|name=Cyperus leucolepis
|authority=Britton
|rank=species
}} {{Treatment/ID/Synonym
|name=Cyperus rusbyi
|authority=Torrey
|rank=species
}} {{Treatment/ID/Synonym
|name=Cyperus schweinitzii var. debilis
|authority=Britton
|rank=variety
}}
|hierarchy=Cyperaceae;Cyperus;Cyperus subg. Cyperus;Cyperus sphaerolepis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Cyperus]]</div><div class="higher-taxon"><small>subgenus</small>[[Cyperus subg. Cyperus]]</div><div class="higher-taxon"><small>species</small>[[Cyperus sphaerolepis]]</div></div>
|volume=Volume 23
|mention_page=page 144, 147, 176
|treatment_page=page 177
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, rhizomatous. <b>Culms</b> basally cormlike, trigonous, (8–)15–40(–60) cm × (0.4–)0.8–1.5(–2) mm, glabrous or sparsely to densely scabridulous to minutely scabrid on angles or usually on surface, just proximal to bracts or over distal few centimeters. <b>Leaves</b> (1–)3–4, V-shaped, (7–)15–25(–40) cm × 1–3(–5) mm, sparsely minutely scabridulous on margins and keel in distal 1/3, otherwise glabrous. <b>Inflorescences</b>: spikes 1–3, sessile (occasionally 1 spike on peduncle 5–20 cm, produced from axil of distalmost leaf), loosely cylindric to oblong-ovoid, (9–)15–30(–45) × (3–)8–15(–18) mm; bracts 2–3(–7), longest erect, or very nearly so, others spreading, (1–)3–20(–26) cm × (0.5–)1–3(–5) mm; rays (1–)2–6(–11), (1–)2–7(–12) cm, in some depauperate plants rays less than 1 cm; rachilla ± deciduous, wingless. <b>Spikelets</b> (4–)8–25(–35), oblong-ellipsoid to linear, compressed-quadrangular, (2–)7–11(–15) × (2–)2.4–3.2(–3.5) mm; floral scales (1–)4–8(–14), laterally dull whitish, stramineous, or light brown, or reddish brown to deep red, often red-dotted especially near keel, medially greenish, broadly ovate-deltate to ± orbiculate, laterally strongly 3(–4)-ribbed, medially weakly 1–3-ribbed, (1.6–)1.8–2.4 × (1.8–)2.2–2.8 mm, margins clear, erose especially apically, apex obtuse, tipped with straight mucro 0.1–0.2(–0.3) mm. <b>Flowers</b>: anthers 0.4–0.6 mm; styles 0.4(–0.8) mm; stigmas 0.6–1 mm. <b>Achenes</b> finely reticulate with isodiametric cells, this layer gradually wearing away to reveal inner brown to reddish brown layer, stipitate, ovoid to obovoid, 1.4–1.6(–1.9) × 1–1.3(–1.4) mm, base cuneate to ± attenuate, stipe 0.1–0.2 × 0.2 mm, apex obtuse, slightly apiculate, inner layer papillose.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer.
|habitat=Clearings in montane forests
|elevation=1000–2500 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico.
|discussion=<p><i>Cyperus sphaerolepis</i> has long been known by the synonym C. rusbyi and has been treated as a variety of <i>C. fendlerianus</i>. Specific status for <i>C. sphaerolepis</i> is supported by B. G. Marcks (1972) and G. C. Tucker (1994).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Cyperus sphaerolepis
|authority=Boeckeler
|rank=species
|parent rank=subgenus
|synonyms=Cyperus fendlerianus var. debilis;Cyperus fendlerianus var. leucolepis;Cyperus leucolepis;Cyperus rusbyi;Cyperus schweinitzii var. debilis
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer.
|habitat=Clearings in montane forests
|elevation=1000–2500 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico.
|reference=None
|publication title=Linnaea
|publication year=1868
|special status=Illustrated
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V23/V23_298.xml
|genus=Cyperus
|subgenus=Cyperus subg. Cyperus
|species=Cyperus sphaerolepis
}}<!--

-->[[Category:Treatment]][[Category:Cyperus subg. Cyperus]]