View source for Isolepis

{{Treatment/ID
|accepted_name=Isolepis
|accepted_authority=R. Brown
|publications={{Treatment/Publication
|title=Prodr.,
|place=221. 1810
|year=1810
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Scirpus sect. Isolepis
|authority=(R. Brown) Grisebach
}}
|hierarchy=Cyperaceae;Isolepis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Isolepis]]</div></div>
|etymology=Greek, isos, equal, similar, and lepis, a scale
|volume=Volume 23
|mention_page=page 8, 138
|treatment_page=page 137
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual or perennial, cespitose, rhizomatous or not, smooth, glabrous. <b>Culms</b> terete. <b>Leaves</b> all basal; sheaths green to stramineous, sometimes reddish proximally; ligules absent; blades rudimentary to exceeding culms. <b>Inflorescences</b> terminal, sometimes pseudolateral, capitate or solitary spikelet; spikelets 1–3(–15); involucral bracts 1(–2), spreading to erect, like foliage leaf blades. <b>Spikelets</b>: scales 8–25, spirally arranged, each subtending flower. <b>Flowers</b> bisexual; perianth absent; stamens 1–3; styles linear, 2–3-fid, base persistent, sometimes slightly enlarged. <b>Achenes</b> biconvex or trigonous, papillose or longitudinally ribbed.</span><!--

-->{{Treatment/Body
|distribution=Worldwide in cool-tropical and temperate regions;especially Africa and Australia.
|discussion=<p>Species 69 (4 in the flora).</p><!--
--><p><i>Isolepis</i> is difficult to delimit on a worldwide basis and has been included in <i>Scirpus</i> in the broad sense. Data derived from embryologic, genetic, and other studies led in recent years to the acceptance of <i>Isolepis</i> as a distinct genus (J. J. Bruhl 1995; P. Goetghebeur 1998; A. M. Muasya et al. 2001).</p>
|tables=
|references={{Treatment/Reference
|id=muasya1998a
|text=Muasya, A. M. 1998. Systematics of the Genus Isolepis R. Br. (Cyperaceae). Ph.D. thesis. University of Reading.
}}{{Treatment/Reference
|id=muasya2001a
|text=Muasya, A. M., D. A. Simpson, M. W. Chase, and A. Culham. 2001. A phylogeny of Isolepis (Cyperaceae) inferred using plastid rbcL and trnL-F sequence data. Syst. Bot. 26: 342–353.
}}{{Treatment/Reference
|id=muasya2002a
|text=Muasya, A. M. and D. A. Simpson. 2002. A monograph of the genus Isolepis R. Br. (Cyperaceae). Kew Bull. 57: 257–362.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Spikelets with scales markedly gibbous, often clasping shed achenes, colorless to stramineous, or orangish, or greenish; achenes acutely equilaterally trigonous; leaf sheaths green to stramineous or brown.
|[[#key-0-2| > 2]]
|-id=key-0-1
|1
|Spikelets with scales neither gibbous nor clasping shed achenes, usually at least partly orange- to red-brown or blackish; achenes compressed-trigonous or thickly plano-convex; leaf sheaths usually reddish proximally.
|[[#key-0-3| > 3]]
|-id=key-0-2
|2
|Scales from middle of spikelet 1.8–2 mm, with awns 0.2–0.5 mm; achenes 1–1.5 mm.
|[[Isolepis carinata|Isolepis carinata]]
|-id=key-0-2
|2
|Scales from middle of spikelet 1–1.2 mm, with mucros to 0.1 mm; achenes 0.7–0.9 mm.
|[[Isolepis pseudosetacea|Isolepis pseudosetacea]]
|-id=key-0-3
|3
|Achenes papillose, not ribbed; culms, leaves, and involucral bracts not orange-punctate or sheaths sparsely so.
|[[Isolepis cernua|Isolepis cernua]]
|-id=key-0-3
|3
|Achenes not papillose, prominently longitudinally ribbed at 10X and minutely transversely ridged at 20–30X; culms, leaves, and involucral bracts orange-punctate at 10– 15X.
|[[Isolepis setacea|Isolepis setacea]]
|}
</div></div><!--

-->{{#Taxon:
name=Isolepis
|author=S. Galen Smith
|authority=R. Brown
|rank=genus
|parent rank=family
|synonyms=Scirpus sect. Isolepis
|basionyms=
|family=Cyperaceae
|illustrator=Amanda Humphrey
|distribution=Worldwide in cool-tropical and temperate regions;especially Africa and Australia.
|reference=muasya1998a;muasya2001a;muasya2002a
|publication title=Prodr.,
|publication year=1810
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_218.xml
|genus=Isolepis
}}<!--

-->[[Category:Treatment]][[Category:Cyperaceae]]