View source for Quercus grisea

{{Treatment/ID
|accepted_name=Quercus grisea
|accepted_authority=Liebmann
|publications={{Treatment/Publication
|title=Overs. Kongel. Danske Vidensk. Selsk. Forh. Medlemmers Arbeider
|place=1854: 171. 1854
|year=1854
}}
|common_names=Gray oak
|special_status={{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}
|basionyms={{Treatment/ID/Synonym
|name=Quercus undulata var. grisea
|authority=(Liebmann) Engelmann
}}
|synonyms=
|hierarchy=Fagaceae;Quercus;Quercus sect. Quercus;Quercus grisea
|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 grisea]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Large </b>shrubs or moderate trees, deciduous or subevergreen, to 10 m. <b>Bark</b> gray, fissured. <b>Twigs</b> gray, 1-2 mm diam., sparsely or densely stellate-tomentulose or tomentose when young. <b>Buds</b> dark red-brown, ovoid to subglobose, 1-2 mm, stellate hairs causing yellowish color, at least on outer scales; stipules persistent, 1-4, subulate, pubescent, at base of terminal buds. <b>Leaves</b>: petiole 3-10 mm. <b>Leaf</b> blade oblong to elliptic or ovate, (15-)25-35(-80) × (7-)15-30(-40) mm, thick and leathery, base cordate or rounded, margins minutely revolute, entire or dentate with mucronate teeth, secondary veins 6-10 on each side, branched, apex acute, sometimes obtuse, rarely rounded; surfaces abaxially dull gray-green or yellowish, minutely stellate-pubescent with interlocking hairs, secondary veins very prominent, adaxially dull green, very sparsely and minutely stellate-pubescent, secondary veins slightly raised. <b>Acorns</b> solitary or paired, subsessile or on peduncle 0-30 mm; cup from deeply goblet- to deeply cup-shaped, 4-10 mm deep × 8-15 mm wide, enclosing to 1/2 nut, scales broadly ovate to oblong, proximal scales slightly or markedly tuberculate and whitish canescent, tips closely appressed, red-brown, thin, glabrate; nut light brown, ovoid to narrowly ovoid or ellipsoid, 12-18 × 8-12 mm. <b>Cotyledons</b> connate.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring.
|habitat=Igneous or dolomitic slopes, oak woodlands, juniper woodlands, desert chaparral
|elevation=usually above 1500 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico (Sonora;Chihuahua;and Durango).
|discussion=<p>Some of the specimens referred to <i>Quercus</i> endemica by C. H. Muller should be placed in <i>Q. grisea</i>.</p><!--
--><p>Numerous hybrids between <i>Quercus grisea</i> and other white oaks, including <i>Q. gambelii</i>, <i>Q. mohriana</i>, <i>Q. arizonica</i>, and numerous species in northern Mexico, have been reported. In the Hueco and Quitman mountains of trans-Pecos Texas, putative hybrids of <i>Q. grisea</i> × <i>Q. turbinella</i> Greene occur.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Quercus grisea
|author=
|authority=Liebmann
|rank=species
|parent rank=section
|synonyms=
|basionyms=Quercus undulata var. grisea
|family=Fagaceae
|phenology=Flowering spring.
|habitat=Igneous or dolomitic slopes, oak woodlands, juniper woodlands, desert chaparral
|elevation=usually above 1500 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico (Sonora;Chihuahua;and Durango).
|reference=None
|publication title=Overs. Kongel. Danske Vidensk. Selsk. Forh. Medlemmers Arbeider
|publication year=1854
|special status=Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V3/V3_1146.xml
|genus=Quercus
|section=Quercus sect. Quercus
|species=Quercus grisea
}}<!--

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