View source for Quercus turbinella

{{Treatment/ID
|accepted_name=Quercus turbinella
|accepted_authority=Greene
|publications={{Treatment/Publication
|title=Ill. W. Amer. Oaks
|place=1: 37. 1889
|year=1889
}}
|common_names=Sonoran scrub oak
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=W
|label=Weedy
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Quercus dumosa var. turbinella
|authority=(Greene) Jepson
|rank=variety
}} {{Treatment/ID/Synonym
|name=Quercus subturbinella
|authority=Trelease
|rank=species
}}
|hierarchy=Fagaceae;Quercus;Quercus sect. Quercus;Quercus turbinella
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Fagaceae]]</div><div class="higher-taxon"><small>genus</small>[[Quercus]]</div><div class="higher-taxon"><small>section</small>[[Quercus sect. Quercus]]</div><div class="higher-taxon"><small>species</small>[[Quercus turbinella]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or small trees, evergreen or subevergreen, to 4 m. <b>Bark</b> light gray or brown, scaly. <b>Twigs</b> brown to gray, 1-3 mm diam., usually tomentulose, sometimes glabrous, becoming glabrate. <b>Buds</b> brown, round to ovoid, 1-2 mm, minutely pubescent. <b>Leaves</b>: petiole 1-4 mm. <b>Leaf</b> blade elliptic or ovate, (1.5-)20-30 × (5-)10-15(-20) mm, thick, leathery, base cordate or rounded, margins planar or slightly crisped-undulate, coarsely 3-5-toothed or very shallowly lobed on each side, teeth spinose with spines 1-1.5 mm, secondary veins 4-8 on each side, apex acute or obtuse; surfaces abaxially yellow or reddish, usually glaucous, minutely stellate-puberulent, adaxially grayish, glaucous, or yellowish glandular, glabrous or sparsely and minutely stellate-pubescent. <b>Acorns</b> solitary or several, on axillary peduncle 10-40 mm; cup hemispheric or shallowly cup-shaped, 4-6 mm deep × 8-12 mm wide, covering 1/4-1/2 nut, scales tightly appressed, ovate, moderately tuberculate, grayish or yellowish puberulent; nut light brown, ovoid, to 20 × 11 mm, minutely puberulent or glabrate. <b>Cotyledons</b> distinct.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring.
|habitat=Dry desert slopes, often in juniper and pinyon woodlands
|elevation=800-2000 m
|distribution=Ariz.;Calif.;Colo.;N.Mex.;Nev.;Tex.;Utah;Mexico (Baja California;Sonora;and probably n Chihuahua).
|discussion=<p>Formerly, California populations of what here is referred to as <i>Quercus john-tuckeri</i> have been included in the concept of <i>Q. turbinella</i>. <i>Quercus john-tuckeri</i> has subsessile fruit and noncordate leaf bases as opposed to the consistently pedunculate fruit and strongly cordate leaf bases of <i>Q. turbinella</i>. The two species seem to be no more closely related to each other than each might be to other southwestern oaks, and <i>Q. john-tuckeri</i> shares at least as many characteristics with <i>Q. berberidifolia</i> as with <i>Q. turbinella</i>. Thus, treatment of these two taxa as varieties of the same species is inappropriate.</p><!--
--><p><i>Quercus turbinella</i> forms putative hybrid swarms with <i>Q. gambelii</i> (see treatment), as well as with <i>Q. grisea</i>.</p>
|tables=
|references={{Treatment/Reference
|id=tucker1961a
|text=Tucker, J. M. 1961b. Studies in the Quercus undulata complex. II. The contribution of Q. turbinella. Amer. J. Bot. 48: 329-339.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Quercus turbinella
|authority=Greene
|rank=species
|parent rank=section
|synonyms=Quercus dumosa var. turbinella;Quercus subturbinella
|basionyms=
|family=Fagaceae
|phenology=Flowering spring.
|habitat=Dry desert slopes, often in juniper and pinyon woodlands
|elevation=800-2000 m
|distribution=Ariz.;Calif.;Colo.;N.Mex.;Nev.;Tex.;Utah;Mexico (Baja California;Sonora;and probably n Chihuahua).
|reference=tucker1961a
|publication title=Ill. W. Amer. Oaks
|publication year=1889
|special status=Illustrated;Weedy
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V3/V3_1061.xml
|genus=Quercus
|section=Quercus sect. Quercus
|species=Quercus turbinella
}}<!--

-->[[Category:Treatment]][[Category:Quercus sect. Quercus]]