View source for Tuctoria ← Tuctoria 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=Tuctoria |accepted_authority=Reeder |publications= |basionyms= |synonyms= |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Orcuttieae;Tuctoria |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 Orcuttieae]]</div><div class="higher-taxon"><small>genus</small>[[Tuctoria]]</div></div> |volume=Volume 25 |mention_page= |treatment_page=page 292 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual; viscid-aromatic, more or less hairy throughout, not producing juvenile floating leaves. <b>Culms</b> 5-15(30) cm, simple or branching at the upper nodes, erect or ascending, often rather fragile, readily breaking apart at the nodes. <b>Leaves</b> without ligules, with little or no distinction between sheath and blade; blades flat, becoming involute when dry. <b>Inflorescences</b> terminal, clavate spikes, partially included or exserted at maturity, spikelets spirally arranged; disarticulation tardy, above the glumes and between the florets. <b>Spikelets</b> laterally compressed, with 5-40 florets. <b>Glumes</b> irregularly short-toothed or entire; lemmas (3)4-7 mm, 11-17-veined, not translucent between the veins, entire or denticulate, usually with a central mucro; paleas subequal to or slightly shorter than the lemmas; lodicules 2, 0.1-0.5 mm, sometimes fused to the paleas; anthers 3, exserted on long, slender, ribbonlike filaments at anthesis; styles 2, apical, long, filiform, stigmatic for 1/3 – 1/2 of their length; stigmatic hairs short, often sparse. <b>Caryopses</b> laterally compressed, pyriform to oblong, pericarp not viscid; embryos visible through the pericarp, brown, from 3/4 as long as to nearly equaling the caryopses; epiblasts present, x = 10.</span><!-- -->{{Treatment/Body |distribution=Calif. |discussion=<p><i>Tuctoria</i> has three species, all of which grow in vernal pools or similar habitats, two in the Central Valley of California and one <i>T. fragilis</i> (Swallen) Reeder, in Baja California Sur, Mexico. Both species found in the Flora region are endangered by loss of habitat to urbanization and agriculture.</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Spikes exserted from the upper leaf sheaths at maturity; lemmas more or less truncate; caryopses about 2 mm long, minutely rugose |[[Tuctoria greenei|Tuctoria greenei]] |-id=key-0-1 |1 |Spikes partially included in the upper leaf sheaths at maturity; lemmas tapering gradually to a mucronate apex; caryopses about 3 mm long, smooth |[[Tuctoria mucronata|Tuctoria mucronata]] |} </div></div><!-- -->{{#Taxon: name=Tuctoria |author=John R. Reeder; |authority=Reeder |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Poaceae |distribution=Calif. |reference=None |publication title= |publication year= |special status= |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_947.xml |subfamily=Poaceae subfam. Chloridoideae |tribe=Poaceae tribe Orcuttieae |genus=Tuctoria }}<!-- -->[[Category:Treatment]][[Category:Poaceae tribe Orcuttieae]] 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 Tuctoria.