View source for Schoenus ← Schoenus You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Schoenus |accepted_authority=Linnaeus |publications={{Treatment/Publication |title=Sp. Pl. |place=1: 42. 1753 |year=1753 }}, {{Treatment/Publication |title=Gen. Pl. ed. |place=5, 26. 1754 |year=1754 }} |common_names=Blackhead sedge |basionyms= |synonyms= |hierarchy=Cyperaceae;Schoenus |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Schoenus]]</div></div> |etymology=Greek schoinos, rushlike plant |volume=Volume 23 |mention_page=page 6, 7 |treatment_page=page 239 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form;whole_organism architecture;whole_organism growth form"><b>Herbs,</b> perennial, cespitose, rhizomatous.</span> <span class="statement" id="st-d0_s1" data-properties="culm architecture;culm shape"><b>Culms </b>distally branched, terete.</span> <span class="statement" id="st-d0_s2" data-properties="leaf position"><b>Leaves </b>basal;</span> <span class="statement" id="st-d0_s3" data-properties="ligule presence">ligules absent;</span> <span class="statement" id="st-d0_s4" data-properties="blade shape;blade shape">blades involute or subcylindric.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence position or structure subtype;inflorescence position;inflorescence architecture or shape"><b>Inflorescences </b>terminal, sometimes pseudolateral, capitate [diffusely branched];</span> <span class="statement" id="st-d0_s6" data-properties="spikelet atypical quantity;spikelet quantity;spikelet coloration;spikelet coloration;spikelet coloration">spikelets (1–) 10–25, black or very dark purple;</span> <span class="statement" id="st-d0_s7" data-properties="involucral-bract quantity;involucral-bract orientation;involucral-bract orientation;involucral-bract architecture or shape">involucral-bracts 1–2, spreading or erect, leaflike.</span> <span class="statement" id="st-d0_s8" data-properties="scale quantity;scale arrangement;scale coloration;scale coloration;scale coloration;scale quantity;proximal scale architecture"><b>Spikelets:</b> scales 3–8, distichous, black or very dark purple, 2–3 proximal scales empty, distal scales each subtending flower.</span> <span class="statement" id="st-d0_s9" data-properties="flower reproduction"><b>Flowers </b>bisexual;</span> <span class="statement" id="st-d0_s10" data-properties="perianth bristle quantity;perianth bristle height or length or size;perianth bristle length or size;perianth bristle architecture or pubescence or relief;perianth bristle pubescence or relief">perianth bristles 0–6, shorter or longer than achene, smooth or scabrous;</span> <span class="statement" id="st-d0_s11" data-properties="stamen quantity">stamens 3;</span> <span class="statement" id="st-d0_s12" data-properties="style duration;style arrangement or course or shape;style shape">styles deciduous, linear, 3-fid.</span> <span class="statement" id="st-d0_s13" data-properties="achene shape"><b>Achenes </b>rounded-trigonous to subterete.</span><!-- -->{{Treatment/Body |distribution=Worldwide in warm-temperate and tropical regions |discussion=<p>Species ca. 80 (1 in the flora).</p><!-- --><p>Schoenus is restricted mostly to Australasia; a few species occur in Africa, Eurasia, and the New World.</p> |tables= |references= }}<!-- --><!-- -->{{#Taxon: name=Schoenus |author=Gordon C. Tucker |authority=Linnaeus |rank=genus |parent rank=family |synonyms= |basionyms= |family=Cyperaceae |illustrator=Yevonn Wilson-Ramsey |illustration copyright=Flora of North America Association |distribution=Worldwide in warm-temperate and tropical regions |reference=None |publication title=Sp. Pl.;Gen. Pl. ed. |publication year=1753;1754 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V23/V23_428.xml |genus=Schoenus |achene shape=rounded-trigonous;subterete |blade shape=subcylindric;involute |culm architecture=branched |culm shape=terete |flower reproduction=bisexual |inflorescence architecture or shape=capitate |inflorescence position=pseudolateral |inflorescence position or structure subtype=terminal |involucral-bract architecture or shape=leaflike |involucral-bract orientation=erect;spreading |involucral-bract quantity=1;2 |leaf position=basal |ligule presence=absent |perianth bristle architecture or pubescence or relief=smooth |perianth bristle height or length or size=shorter |perianth bristle length or size=shorter or longer |perianth bristle pubescence or relief=scabrous |perianth bristle quantity=0;6 |proximal scale architecture=empty |scale arrangement=distichous |scale coloration=dark purple;very;black |scale quantity=2;3 |spikelet atypical quantity=1;10 |spikelet coloration=dark purple;very;black |spikelet quantity=10;25 |stamen quantity=3 |style arrangement or course or shape=linear |style duration=deciduous |style shape=3-fid |whole_organism architecture=rhizomatous |whole_organism duration=perennial |whole_organism growth form=herb;cespitose }}<!-- -->[[Category:Treatment]][[Category:Cyperaceae]] Templates used on this page: Template:Cyperaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Return to Schoenus.