View source for Larrea

{{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-undefined" data-properties=""><b>Shrubs </b>[prostrate subshrubs]. <b>Stems</b> erect [prostrate], branched, swollen at nodes, quadrangular, becoming cylindric, [less than 1] to 4[–7] m, hairy, becoming glabrate. <b>Leaves</b> opposite, 2-foliolate [even- or odd-pinnately compound]; stipules persistent, herbaceous, ovate [to triangular], apex obtuse to acuminate [apiculate]; petiolules absent; 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. <b>Pedicels</b> in leaf axils, erect or spreading. <b>Flowers</b> solitary, often irregular by twisting of petals; sepals deciduous, 5, distinct, green, ± unequal, margins undifferentiated, apex obtuse, appressed-pubescent; petals deciduous, 5, imbricate, spreading, twisted, yellow, oblong to oblong-lanceolate [ovate], base clawed, apex obtuse; nectary 10-lobed; stamens 10, ± equal; filaments free, subulate, with ± equal basal scales with toothed [entire] margins; anthers sagittate, versatile; ovary short-stalked, 5-lobed, 5-locular, hirsute-pilose; ovules [6–]8 per locule; style persisting on young fruit, later deciduous, not forming beak; stigma minute. <b>Fruits</b> schizocarps, globose, 5-lobed, splitting septicidally into 5 mericarps. <b>Seeds</b> 1 per locule, brown, boat-shaped. <b>x</b> = 13.</span><!--

-->{{Treatment/Body
|distribution=sw United States;Mexico;South America (Argentina;Bolivia;Chile;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;Bolivia;Chile;Peru);warm desert regions.
|reference=campos1979a;laport2012a;lia2001a;mabry1977a
|publication title=Anales Hist. Nat.
|publication year=1800
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V12/V12_595.xml
|genus=Larrea
}}<!--

-->[[Category:Treatment]][[Category:Zygophyllaceae]]