View source for Opizia ← Opizia 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=Opizia |accepted_authority=J. Presl |publications= |basionyms= |synonyms= |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Opizia |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>[[Opizia]]</div></div> |volume=Volume 25 |mention_page= |treatment_page=page 269 }}<!-- --><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>annual, perennial, or of indefinite duration;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism duration;whole_organism duration;whole_organism reproduction;whole_organism reproduction;whole_organism growth form">monoecious or dioecious, inflorescences unisexual and dimorphic;</span> <span class="statement" id="st-d0_s2" data-properties="inflorescence reproduction;inflorescence growth form;inflorescence architecture;inflorescence growth form">stoloniferous and mat-forming.</span> <span class="statement" id="st-d0_s3" data-properties="culm atypical some measurement;culm some measurement;culm texture"><b>Culms </b>1-15 (30) cm, not woody.</span> <span class="statement" id="st-d0_s4" data-properties="leaf arrangement or growth form;leaf arrangement"><b>Leaves </b>not clustered, not strongly distichous;</span> <span class="statement" id="st-d0_s5" data-properties="sheath architecture;sheath shape">sheaths open, keeled;</span> <span class="statement" id="st-d0_s6" data-properties="ligule texture;ligule architecture or pubescence or shape">ligules membranous, not ciliate;</span> <span class="statement" id="st-d0_s7" data-properties="blade prominence or shape">blades flat.</span> <span class="statement" id="st-d0_s8" data-properties="inflorescence position or structure subtype;branch shape;rachis shape"><b>Inflorescences </b>terminal, with spikes or spikelike branches on elongate rachises.</span> <span class="statement" id="st-d0_s9" data-properties="inflorescences panicle architecture;inflorescences panicle position;branch quantity;branch shape;branch shape;rachis shape"><b>Staminate </b>inflorescences panicles of 1-6 spikelike pectinate branches on elongate rachises, exserted well above the uppermost leaves;</span> <span class="statement" id="st-d0_s10" data-properties="branch some measurement">branches 0.5-2 cm, terminating in a point;</span> <span class="statement" id="st-d0_s11" data-properties="spikelet architecture;spikelet pubescence;floret quantity">staminate spikelets glabrous, with 1 floret;</span> <span class="statement" id="st-d0_s12" data-properties="glume size;glume height or length or size">glumes unequal, much shorter than the the florets;</span> <span class="statement" id="st-d0_s13" data-properties="lemma architecture">lemmas 3-veined, unawned.</span> <span class="statement" id="st-d0_s14" data-properties="spikelet quantity;branch length"><b>Pistillate </b>inflorescences 1-sided spikes, with 6-12 spikelets, often partially enclosed by the subtending sheaths, sometimes with branches to 6 mm long at the lower nodes;</span> <span class="statement" id="st-d0_s15" data-properties="inflorescence architecture;spikelet life cycle;spikelet condition">disarticulation below the glumes, the spikelets falling intact;</span> <span class="statement" id="st-d0_s16" data-properties="spikelet architecture;spikelet shape;spikelet architecture or shape;floret quantity;floret reproduction;rudiment quantity;rudiment reproduction">pistillate spikelets laterally compressed, with 1 bisexual floret and a conspicuously 3-awned rudiment;</span> <span class="statement" id="st-d0_s17" data-properties="lower glume prominence;lower glume presence">lower glumes rudimentary or absent;</span> <span class="statement" id="st-d0_s18" data-properties="upper glume size;upper glume texture;upper glume prominence or shape">upper glumes subequal to the lemmas, membranous, flat, not enclosing the florets, unawned;</span> <span class="statement" id="st-d0_s19" data-properties="callus shape">calluses blunt, with hairs;</span> <span class="statement" id="st-d0_s20" data-properties="lemma texture;lemma shape;lemma architecture;lemma architecture or shape;tooth quantity;tooth height or length or size;tooth coloration">lemmas coriaceous, keeled, 3-veined, 3-awned, awns emanating from between 4 short, hyaline teeth;</span> <span class="statement" id="st-d0_s21" data-properties="">palea keels adnate to the rachilla basally, widely winged distally.</span> <span class="statement" id="st-d0_s22" data-properties="palea keel fusion;palea keel architecture">x = unknown.</span><!-- -->{{Treatment/Body |discussion=<p>Opizia is a North America genus of two species. Both species are probably native to Mexico, but one of them now grows, possibly from introductions, in Florida and the West Indies.</p><!-- --><p>Columbus (1999) argued that Opizia should be included in Bouteloua. The traditional treatment is maintained here, pending corroboration of his results from a wider range of data.</p> |tables= |references={{Treatment/Reference |id=columbus1999a |text=Columbus, J.T. 1999. An expanded circumscription of Bouteloua (Gramineae: Chlorideae): New combinations and names. Aliso 18:61-65 }}{{Treatment/Reference |id=mcvaugh1983b |text=McVaugh, R. 1983. Flora Novo-Galiciana: A Descriptive Account of the Vascular Plants of Western Mexico, vol. 14: Gramineae (series ed. W.R. Anderson). University of Michigan Press, Ann Arbor, Michigan, U.S.A. 436 pp. }} }}<!-- --><!-- -->{{#Taxon: name=Opizia |author=Mary E. Barkworth; |authority=J. Presl |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Poaceae |reference=columbus1999a;mcvaugh1983b |publication title= |publication year= |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V25/V25_901.xml |subfamily=Poaceae subfam. Chloridoideae |tribe=Poaceae tribe Cynodonteae |genus=Opizia |blade prominence or shape=flat |branch length=0mm;6mm |branch quantity=1;6 |branch shape=pectinate;spikelike;spikelike |branch some measurement=0.5cm;2cm |callus shape=blunt |culm atypical some measurement=30 |culm some measurement=1cm;15cm |culm texture=not woody |floret quantity=1;1 |floret reproduction=bisexual |glume height or length or size=much shorter |glume size=unequal |inflorescence architecture=pistillate;stoloniferous |inflorescence growth form=mat-forming;dimorphic |inflorescence position or structure subtype=terminal |inflorescence reproduction=unisexual |inflorescences panicle architecture=staminate |inflorescences panicle position=exserted |leaf arrangement=distichous |leaf arrangement or growth form=not clustered |lemma architecture=3-veined;3-veined |lemma architecture or shape=3-awned |lemma shape=keeled |lemma texture=coriaceous |ligule architecture or pubescence or shape=not ciliate |ligule texture=membranous |lower glume presence=absent |lower glume prominence=rudimentary |palea keel architecture=winged |palea keel fusion=adnate |rachis shape=elongate;elongate |rudiment quantity=1 |rudiment reproduction=bisexual |sheath architecture=open |sheath shape=keeled |spikelet architecture=pistillate;staminate |spikelet architecture or shape=3-awned |spikelet condition=intact |spikelet life cycle=falling |spikelet pubescence=glabrous |spikelet quantity=6;12 |spikelet shape=compressed |tooth coloration=hyaline |tooth height or length or size=short |tooth quantity=4 |upper glume prominence or shape=flat |upper glume size=subequal |upper glume texture=membranous |whole_organism duration=perennial;annual |whole_organism growth form=plant |whole_organism reproduction=dioecious;monoecious }}<!-- -->[[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/ID (view source) Template:Treatment/Reference (view source) Return to Opizia.