View source for Lamarckia ← Lamarckia 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=Lamarckia |accepted_authority=Moench |publications= |basionyms= |synonyms= |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Lamarckia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Pooideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Poeae]]</div><div class="higher-taxon"><small>genus</small>[[Lamarckia]]</div></div> |volume=Volume 24 |mention_page= |treatment_page=page 484 }}<!-- --><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>annual;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism duration;whole_organism arrangement or pubescence;whole_organism growth form">tufted.</span> <span class="statement" id="st-d0_s2" data-properties="culm some measurement;culm orientation;culm orientation;culm pubescence"><b>Culms </b>5-40 cm, erect or decumbent at the base, glabrous.</span> <span class="statement" id="st-d0_s3" data-properties="sheath architecture;sheath length;sheath pubescence;margin texture;margin architecture"><b>Sheaths </b>open for at least 1/3 their length, glabrous, margins membranous and continuous with the ligules;</span> <span class="statement" id="st-d0_s4" data-properties="auricle presence">auricles absent;</span> <span class="statement" id="st-d0_s5" data-properties="ligule texture;ligule shape;ligule pubescence;apex architecture or relief">ligules membranous, acute, glabrous, apices somewhat erose;</span> <span class="statement" id="st-d0_s6" data-properties="blade prominence or shape;blade pubescence">blades flat, glabrous.</span> <span class="statement" id="st-d0_s7" data-properties="inflorescences panicle density;inflorescences panicle architecture;inflorescences panicle coloration"><b>Inflorescences </b>panicles, dense, secund, golden-yellow to purplish;</span> <span class="statement" id="st-d0_s8" data-properties="primary branch fixation or orientation">primary branches appressed to the rachis;</span> <span class="statement" id="st-d0_s9" data-properties="spikelet branch shape;spikelet branch architecture or pubescence or relief;spikelet branch pubescence;spikelet branch course;spikelet branch shape;spikelet architecture">secondary branches capillary, smooth, glabrous, flexuous, terminating in 1-4 fascicles of pedicellate spikelets, strongly bent below the junction with the fascicle base;</span> <span class="statement" id="st-d0_s10" data-properties="spikelet pedicel pubescence;fascicle fusion">pedicels of spikelets in each fascicle fused at the base, strigose.</span> <span class="statement" id="st-d0_s11" data-properties="spikelet growth form;terminal spikelet reproduction"><b>Spikelets </b>dimorphic, the terminal spikelet of each fascicle fertile, the others sterile;</span> <span class="statement" id="st-d0_s12" data-properties="other reproduction;pedicel fusion">disarticulation at the base of the fused pedicels.</span> <span class="statement" id="st-d0_s13" data-properties="spikelet reproduction;spikelet shape;spikelet shape;spikelet reproduction;floret quantity;floret quantity;rachilla internode length or size"><b>Fertile </b>spikelets terete to somewhat laterally compressed, with 2 florets, 1 bisexual, the other a rudiment, borne on long rachilla internodes;</span> <span class="statement" id="st-d0_s14" data-properties="callus height or length or size;callus shape;callus pubescence">calluses short, blunt, glabrous;</span> <span class="statement" id="st-d0_s15" data-properties="glume size or width;glume shape;glume architecture or shape;glume architecture">glumes narrow, acuminate or short-awned, 1-veined;</span> <span class="statement" id="st-d0_s16" data-properties="lemma reproduction;lemma architecture;subapical awn fragility;subapical awn course">bisexual lemmas scarcely veined, each with a delicate, straight, subapical awn;</span> <span class="statement" id="st-d0_s17" data-properties="palea variability;palea size">paleas equal or subequal to the lemmas;</span> <span class="statement" id="st-d0_s18" data-properties="lodicule quantity;lodicule pubescence;lodicule shape">lodicules 2, glabrous, toothed;</span> <span class="statement" id="st-d0_s19" data-properties="anther quantity">anthers 3;</span> <span class="statement" id="st-d0_s20" data-properties="ovary pubescence">ovaries glabrous;</span> <span class="statement" id="st-d0_s21" data-properties="floret prominence;lemma size;awn fragility;awn course">rudimentary florets highly reduced lemmas, each with a delicate, straight awn.</span> <span class="statement" id="st-d0_s22" data-properties="spikelet reproduction;spikelet arrangement or course or shape;spikelet shape"><b>Sterile </b>spikelets linear, laterally compressed;</span> <span class="statement" id="st-d0_s23" data-properties="floret quantity">florets 5-10;</span> <span class="statement" id="st-d0_s24" data-properties="spikelet reproduction">glumes similar to those of the fertile spikelets;</span> <span class="statement" id="st-d0_s25" data-properties="lemma arrangement;lemma shape">lemmas imbricate, obtuse, unawned;</span> <span class="statement" id="st-d0_s26" data-properties="palea presence">paleas absent.</span> <span class="statement" id="st-d0_s27" data-properties=""><b>Caryopses </b>ovoid or ellipsoid, adhering to the lemmas and/or paleas.</span> <span class="statement" id="st-d0_s28" data-properties="caryopse shape;caryopse shape;x chromosome quantity">x = 7.</span><!-- -->{{Treatment/Body |distribution=Calif.;Ariz.;Pacific Islands (Hawaii);Tex. |discussion=<p>Lamarckia is a monotypic genus that has been introduced into North America from the Mediterranean and the Middle East.</p> |tables= |references= }}<!-- --><!-- -->{{#Taxon: name=Lamarckia |author=Lynn G. Clark; |authority=Moench |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Poaceae |distribution=Calif.;Ariz.;Pacific Islands (Hawaii);Tex. |reference=None |publication title= |publication year= |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V24/V24_694.xml |subfamily=Poaceae subfam. Pooideae |tribe=Poaceae tribe Poeae |genus=Lamarckia |anther quantity=3 |apex architecture or relief=erose |auricle presence=absent |awn course=straight |awn fragility=delicate |blade prominence or shape=flat |blade pubescence=glabrous |callus height or length or size=short |callus pubescence=glabrous |callus shape=blunt |caryopse shape=ellipsoid;ovoid |culm orientation=decumbent;erect |culm pubescence=glabrous |culm some measurement=5cm;40cm |fascicle fusion=fused |floret prominence=rudimentary |floret quantity=5;10 |glume architecture=1-veined |glume architecture or shape=short-awned |glume shape=acuminate |glume size or width=narrow |inflorescences panicle architecture=secund |inflorescences panicle coloration=golden-yellow;purplish |inflorescences panicle density=dense |lemma architecture=veined |lemma arrangement=imbricate |lemma reproduction=bisexual |lemma shape=obtuse |lemma size=reduced |ligule pubescence=glabrous |ligule shape=acute |ligule texture=membranous |lodicule pubescence=glabrous |lodicule quantity=2 |lodicule shape=toothed |margin architecture=continuous |margin texture=membranous |other reproduction=sterile |ovary pubescence=glabrous |palea presence=absent |palea size=subequal |palea variability=equal |pedicel fusion=fused |primary branch fixation or orientation=appressed |rachilla internode length or size=long |sheath architecture=open |sheath length=1/3 |sheath pubescence=glabrous |spikelet architecture=pedicellate |spikelet arrangement or course or shape=linear |spikelet branch architecture or pubescence or relief=smooth |spikelet branch course=flexuous |spikelet branch pubescence=glabrous |spikelet branch shape=bent;capillary |spikelet growth form=dimorphic |spikelet pedicel pubescence=strigose |spikelet reproduction=fertile;sterile;bisexual;fertile |spikelet shape=compressed;compressed;terete to somewhat |subapical awn course=straight |subapical awn fragility=delicate |terminal spikelet reproduction=fertile |whole_organism arrangement or pubescence=tufted |whole_organism duration=annual |whole_organism growth form=plant |x chromosome quantity=7 }}<!-- -->[[Category:Treatment]][[Category:Poaceae tribe Poeae]] 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 Lamarckia.