View source for Larrea ← Larrea 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=Larrea |accepted_authority=Cavanilles |publications={{Treatment/Publication |title=Anales Hist. Nat. |place=2: 119, plates 18, 19. 1800 |year=1800 }} |basionyms= |synonyms= |hierarchy=Zygophyllaceae;Larrea |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Zygophyllaceae]]</div><div class="higher-taxon"><small>genus</small>[[Larrea]]</div></div> |etymology=For Juan Antonio Pérez Hernández de Larrea, 1730–1803, Catholic bishop of Valladolid, Spain |volume=Volume 12 |mention_page=page 29, 34, 436, 529, 530 |treatment_page=page 33 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism growth form"><b>Shrubs </b>[prostrate subshrubs].</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem architecture;stem shape;stem shape;stem shape;stem atypical some measurement;stem some measurement;stem pubescence;stem pubescence"><b>Stems </b>erect [prostrate], branched, swollen at nodes, quadrangular, becoming cylindric, [less than 1] to 4 [–7] m, hairy, becoming glabrate.</span> <span class="statement" id="st-d0_s2" data-properties="leaf arrangement;leaf architecture"><b>Leaves </b>opposite, 2-foliolate [even or odd-pinnately compound];</span> <span class="statement" id="st-d0_s3" data-properties="stipule duration;stipule growth form or texture;stipule shape;apex shape">stipules persistent, herbaceous, ovate [to triangular], apex obtuse to acuminate [apiculate];</span> <span class="statement" id="st-d0_s4" data-properties="petiolule presence">petiolules absent;</span> <span class="statement" id="st-d0_s5" data-properties="leaflet atypical quantity;leaflet atypical quantity;leaflet quantity;leaflet arrangement;leaflet fusion;leaflet some measurement;leaflet shape;leaflet variability;base arrangement or shape;apex shape;surface pubescence;surface pubescence">leaflets [1–] 2 [–17], opposite [alternate], connate basally 2–4 mm (leaves appearing simple and 2-lobed) [distinct], obliquely lanceolate to falcate [oblong to ovate], equal [unequal], base angular, apex mucronate, surfaces appressed-pubescent, becoming glabrate.</span> <span class="statement" id="st-d0_s6" data-properties="pedicel orientation;pedicel orientation"><b>Pedicels </b>in leaf-axils, erect or spreading.</span> <span class="statement" id="st-d0_s7" data-properties="flower architecture or arrangement or growth form;flower architecture or course;flower architecture"><b>Flowers </b>solitary, often irregular by twisting of petals;</span> <span class="statement" id="st-d0_s8" data-properties="sepal duration;sepal quantity;sepal fusion;sepal coloration;sepal size;margin prominence;apex shape;apex pubescence">sepals deciduous, 5, distinct, green, ± unequal, margins undifferentiated, apex obtuse, appressed-pubescent;</span> <span class="statement" id="st-d0_s9" data-properties="petal duration;petal quantity;petal arrangement;petal orientation;petal architecture;petal coloration;petal shape;base shape;apex shape">petals deciduous, 5, imbricate, spreading, twisted, yellow, oblong to oblong-lanceolate [ovate], base clawed, apex obtuse;</span> <span class="statement" id="st-d0_s10" data-properties="nectary shape">nectary 10-lobed;</span> <span class="statement" id="st-d0_s11" data-properties="stamen quantity;stamen variability">stamens 10, ± equal;</span> <span class="statement" id="st-d0_s12" data-properties="all fusion;all shape;basal scale variability;margin shape">filaments free, subulate, with ± equal basal scales with toothed [entire] margins;</span> <span class="statement" id="st-d0_s13" data-properties="anther shape;anther fixation">anthers sagittate, versatile;</span> <span class="statement" id="st-d0_s14" data-properties="ovary architecture;ovary shape;ovary architecture or structure in adjective form;ovary pubescence">ovary short-stalked, 5-lobed, 5-locular, hirsute-pilose;</span> <span class="statement" id="st-d0_s15" data-properties="ovule atypical quantity;ovule quantity">ovules [6–] 8 per locule;</span> <span class="statement" id="st-d0_s16" data-properties="style duration;style duration;fruit life cycle">style persisting on young fruit, later deciduous, not forming beak;</span> <span class="statement" id="st-d0_s17" data-properties="stigma size">stigma minute.</span> <span class="statement" id="st-d0_s18" data-properties="fruits schizocarp shape;fruits schizocarp shape;fruits schizocarp architecture or dehiscence;mericarp quantity"><b>Fruits </b>schizocarps, globose, 5-lobed, splitting septicidally into 5 mericarps.</span> <span class="statement" id="st-d0_s19" data-properties=""><b>Seeds </b>1 per locule, brown, boatshaped.</span> <span class="statement" id="st-d0_s20" data-properties="seed quantity;seed coloration;seed shape;x chromosome quantity">x = 13.</span><!-- -->{{Treatment/Body |distribution=sw United States;Mexico;South America (Argentina);South America (Bolivia);South America (Chile);South America (Peru);warm desert regions |discussion=<p>Species 5 (1 in the flora).</p> |tables= |references={{Treatment/Reference |id=campos1979a |text=Campos López, E., T. J. Mabry, and S. Fernández Tavizon. 1979. Larrea. Mexico City. }}{{Treatment/Reference |id=laport2012a |text=Laport, R. G., R. L. Minckley, and J. Ramsey. 2012. Phylogeny and cytogeography of the North American creosote bush (Larrea tridentata, Zygophyllaceae). Syst. Bot. 37: 153–164. }}{{Treatment/Reference |id=lia2001a |text=Lia, V. V. et al. 2001. Molecular phylogeny of Larrea and its allies (Zygophyllaceae): Reticulate evolution and the probable time of creosote bush arrival to North America. Molec. Phylogen. Evol. 21: 309–320. }}{{Treatment/Reference |id=mabry1977a |text=Mabry, T. J., J. H. Hunziker, and D. R. DiFeo. 1977. Creosote Bush: Biology and Chemistry of Larrea in New World Deserts. Stroudsburg, Pa. }} }}<!-- --><!-- -->{{#Taxon: name=Larrea |authority=Cavanilles |rank=genus |parent rank=family |synonyms= |basionyms= |family=Zygophyllaceae |distribution=sw United States;Mexico;South America (Argentina);South America (Bolivia);South America (Chile);South America (Peru);warm desert regions |reference=campos1979a;laport2012a;lia2001a;mabry1977a |publication title=Anales Hist. Nat. |publication year=1800 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V12/V12_595.xml |genus=Larrea |all fusion=free |all shape=subulate |anther fixation=versatile |anther shape=sagittate |apex pubescence=appressed-pubescent |apex shape=obtuse;obtuse;mucronate;obtuse;acuminate |basal scale variability=equal |base arrangement or shape=angular |base shape=clawed |flower architecture=twisting |flower architecture or arrangement or growth form=solitary |flower architecture or course=irregular |fruit life cycle=young |fruits schizocarp architecture or dehiscence=splitting |fruits schizocarp shape=5-lobed;globose |leaf architecture=2-foliolate |leaf arrangement=opposite |leaflet arrangement=opposite |leaflet atypical quantity=2;17 |leaflet fusion=connate |leaflet quantity=2 |leaflet shape=obliquely lanceolate;falcate |leaflet some measurement=2mm;4mm |leaflet variability=equal |margin prominence=undifferentiated |margin shape=toothed |mericarp quantity=5 |nectary shape=10-lobed |ovary architecture=short-stalked |ovary architecture or structure in adjective form=5-locular |ovary pubescence=hirsute-pilose |ovary shape=5-lobed |ovule atypical quantity=6;8 |ovule quantity=8 |pedicel orientation=spreading;erect |petal architecture=twisted |petal arrangement=imbricate |petal coloration=yellow |petal duration=deciduous |petal orientation=spreading |petal quantity=5 |petal shape=oblong;oblong-lanceolate |petiolule presence=absent |seed coloration=brown |seed quantity=1 |seed shape=boat-shaped |sepal coloration=green |sepal duration=deciduous |sepal fusion=distinct |sepal quantity=5 |sepal size=unequal |stamen quantity=10 |stamen variability=equal |stem architecture=branched |stem atypical some measurement=4m;7m |stem orientation=erect |stem pubescence=glabrate;hairy |stem shape=cylindric;quadrangular;swollen |stem some measurement=0m;4m |stigma size=minute |stipule duration=persistent |stipule growth form or texture=herbaceous |stipule shape=ovate |style duration=deciduous;persisting |surface pubescence=glabrate;appressed-pubescent |whole_organism growth form=shrub |x chromosome quantity=13 }}<!-- -->[[Category:Treatment]][[Category:Zygophyllaceae]] Templates used on this page: 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) Template:Treatment/Reference (view source) Template:Zygophyllaceae (view source) Return to Larrea.