View source for Triplasis ← Triplasis 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=Triplasis |accepted_authority=P. Beauv. |publications= |basionyms= |synonyms= |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Triplasis |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Chloridoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Cynodonteae]]</div><div class="higher-taxon"><small>genus</small>[[Triplasis]]</div></div> |volume=Volume 25 |mention_page= |treatment_page=page 41 }}<!-- --><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>annual or perennial;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism duration;whole_organism duration;whole_organism growth form;whole_organism architecture;whole_organism growth form">cespitose, occasionally rhizomatous.</span> <span class="statement" id="st-d0_s2" data-properties="culm some measurement;culm orientation"><b>Culms </b>14-100 cm, ascending to erect;</span> <span class="statement" id="st-d0_s3" data-properties="node pubescence">nodes pubescent to hirsute.</span> <span class="statement" id="st-d0_s4" data-properties="sheath architecture"><b>Sheaths </b>open;</span> <span class="statement" id="st-d0_s5" data-properties="auricle presence">auricles absent;</span> <span class="statement" id="st-d0_s6" data-properties="ligule texture;ligule architecture or pubescence or shape">ligules of hairs or membranous and ciliate;</span> <span class="statement" id="st-d0_s7" data-properties="blade width;blade shape;blade shape">blades 1-5 mm wide, flat or involute.</span> <span class="statement" id="st-d0_s8" data-properties="primary inflorescence position or structure subtype;panicle architecture;spikelet quantity;upper sheath position;upper apex position;axillary panicle presence"><b>Primary </b>inflorescences terminal, open panicles, with few spikelets, exerted or partially included in the upper sheath, apices exceeding the upper leaf-blades, axillary panicles sometimes also present;</span> <span class="statement" id="st-d0_s9" data-properties="inflorescence reproduction">cleistogamous inflorescences also present in the upper sheaths.</span> <span class="statement" id="st-d0_s10" data-properties="spikelet shape;spikelet coloration;floret quantity"><b>Spikelets </b>laterally compressed, purplish, with 2-5 florets;</span> <span class="statement" id="st-d0_s11" data-properties="floret reproduction;floret reproduction">sterile florets above the fertile florets;</span> <span class="statement" id="st-d0_s12" data-properties="">rachillas prolonged;</span> <span class="statement" id="st-d0_s13" data-properties="rachilla length">disarticulation above the glumes and beneath the florets and, subsequently, at the cauline nodes.</span> <span class="statement" id="st-d0_s14" data-properties="glume variability;glume size;glume height or length or size;glume architecture;glume shape"><b>Glumes </b>equal or unequal, shorter than the first lemma, 1-veined, keeled;</span> <span class="statement" id="st-d0_s15" data-properties="callus pubescence">calluses hairy;</span> <span class="statement" id="st-d0_s16" data-properties="lemma architecture;vein pubescence;apex shape;awn some measurement">lemmas 3-veined, veins villous, apices bilobed to incised, midveins sometimes extending into an awn, awns to 11 mm;</span> <span class="statement" id="st-d0_s17" data-properties="keel pubescence;distal hair some measurement">paleas bowed-out, keels hairy, distal hairs 0.5-2 mm, longer than those below;</span> <span class="statement" id="st-d0_s18" data-properties="lodicule quantity;lodicule architecture or shape">lodicules 2, truncate;</span> <span class="statement" id="st-d0_s19" data-properties="anther quantity;anther coloration;anther coloration">anthers 3, yellow or reddish-purple;</span> <span class="statement" id="st-d0_s20" data-properties="stigma coloration">stigmas pink to purple.</span> <span class="statement" id="st-d0_s21" data-properties="caryopsis shape;x chromosome quantity"><b>Caryopses </b>dorsiventrally compressed, x = 10.</span><!-- -->{{Treatment/Body |distribution=Conn.;N.J.;N.Y.;Del.;Wis.;Fla.;N.H.;N.Mex.;Tex.;La.;Tenn.;N.C.;S.C.;Pa.;Va.;Colo.;Ont.;Ala.;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Ark.;Ill.;Ga.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Ohio;Mo.;Mich.;R.I.;Miss.;Oreg. |discussion=<p>Triplasis is an American genus of two species that is probably related to Tridens. The disarticulating culm, which helps disperse the cleistogenes, aids in distinguishing Triplasis from other genera.</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Lemmas with lobes 4.5-8 mm long, tapering to acute tips; lemma awns 5-11 mm long; culm internodes puberulent to pilose |[[Triplasis americana|Triplasis americana]] |-id=key-0-1 |1 |Lemmas with lobes about 1 mm long, rounded; lemma awns less than 2 mm long; culm internodes glabrous |[[Triplasis purpurea|Triplasis purpurea]] |} </div></div><!-- -->{{#Taxon: name=Triplasis |author=Stephan L. Hatch; |authority=P. Beauv. |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Poaceae |distribution=Conn.;N.J.;N.Y.;Del.;Wis.;Fla.;N.H.;N.Mex.;Tex.;La.;Tenn.;N.C.;S.C.;Pa.;Va.;Colo.;Ont.;Ala.;Kans.;N.Dak.;Nebr.;Okla.;S.Dak.;Ark.;Ill.;Ga.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Ohio;Mo.;Mich.;R.I.;Miss.;Oreg. |reference=None |publication title= |publication year= |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V25/V25_64.xml |subfamily=Poaceae subfam. Chloridoideae |tribe=Poaceae tribe Cynodonteae |genus=Triplasis |anther coloration=reddish-purple;yellow |anther quantity=3 |apex shape=bilobed;incised |auricle presence=absent |awn some measurement=0mm;11mm |axillary panicle presence=absent |blade shape=involute;flat |blade width=1mm;5mm |callus pubescence=hairy |caryopsis shape=compressed |culm orientation=ascending;erect |culm some measurement=14cm;100cm |distal hair some measurement=0.5mm;2mm |floret quantity=2;5 |floret reproduction=fertile;sterile |glume architecture=1-veined |glume height or length or size=shorter |glume shape=keeled |glume size=unequal |glume variability=equal |inflorescence reproduction=cleistogamous |keel pubescence=hairy |lemma architecture=3-veined |ligule architecture or pubescence or shape=ciliate |ligule texture=membranous |lodicule architecture or shape=truncate |lodicule quantity=2 |node pubescence=pubescent;hirsute |panicle architecture=open |primary inflorescence position or structure subtype=terminal |rachilla length=prolonged |sheath architecture=open |spikelet coloration=purplish |spikelet quantity=few |spikelet shape=compressed |stigma coloration=pink;purple |upper apex position=included |upper sheath position=included |vein pubescence=villous |whole_organism architecture=rhizomatous |whole_organism duration=perennial;annual |whole_organism growth form=plant;cespitose |x chromosome quantity=10 }}<!-- -->[[Category:Treatment]][[Category:Poaceae tribe Cynodonteae]] Templates used on this page: Template:Poaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Return to Triplasis.