View source for Quercus kelloggii

{{Treatment/ID
|accepted_name=Quercus kelloggii
|accepted_authority=Newberry
|publications={{Treatment/Publication
|title=Pacif. Railr. Rep.
|place=6: 28, 89, fig. 6. 1859
|year=1859
}}
|common_names=California black oak
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Quercus californica
|authority=(Torrey) Cooper
}} {{Treatment/ID/Synonym
|name=Quercus tinctoria var. californica
|authority=Torrey
}}
|hierarchy=Fagaceae;Quercus;Quercus sect. Lobatae;Quercus kelloggii
|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. Lobatae]]</div><div class="higher-taxon"><small>species</small>[[Quercus kelloggii]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Trees,</b> deciduous, to 25 m. <b>Bark</b> dark brown to black, ridges broad, irregular. <b>Twigs</b> brown to red-brown, (1.5-)2-3.5 mm diam., glabrate. <b>Terminal</b> buds chestnut brown, ovoid, 4-10 mm, glabrous or with scales ciliate on margins. <b>Leaves</b>: petiole 10-60 mm, glabrous to densely pubescent. <b>Leaf</b> blade ovate or broadly elliptic to obovate, 60-200 × 40-140 mm, base cordate to obtuse, occasionally rounded, margins with 7-11 lobes and 13-45 awns, lobes acute to distally expanded, separated by deep sinuses, apex acute; surfaces abaxially glabrous with small axillary tufts of tomentum to densely pubescent, adaxially glabrous to minutely pubescent, veins raised on both surfaces. <b>Acorns</b> biennial; cup saucer-shaped to deeply bowl-shaped, 13-27 mm high × 20-28 mm wide, covering 1/2-2/3 nut, outer surface glabrous to sparsely puberulent, inner surface 1/3 to completely pubescent, scales more than 4 mm long, attenuate or acuminate to acute, smooth, occasionally tuberculate near base of cup, tips loose, especially at margin of cup; nut oblong to broadly ellipsoid, 21-34 × 14-22 mm, puberulent, especially at apex, scar diam. 5.5-10.5 mm. <b>2n</b> = 24.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring.
|habitat=On slopes and valleys of hills and mountains
|elevation=300-2400 m
|distribution=Calif.;Oreg.
|discussion=<p>The abundant crops of acorns from <i>Quercus kelloggii</i> were at one time an important food source for Native Americans.</p><!--
--><p>The species reportedly hybridizes with <i>Quercus agrifolia</i> (= Q. ×ganderi C. B. Wolf) and <i>Q. wislizenii</i> (= Q. ×morehus Kellogg).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Quercus kelloggii
|author=
|authority=Newberry
|rank=species
|parent rank=section
|synonyms=Quercus californica;Quercus tinctoria var. californica
|basionyms=
|family=Fagaceae
|phenology=Flowering late spring.
|habitat=On slopes and valleys of hills and mountains
|elevation=300-2400 m
|distribution=Calif.;Oreg.
|reference=None
|publication title=Pacif. Railr. Rep.
|publication year=1859
|special status=Endemic;Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V3/V3_222.xml
|genus=Quercus
|section=Quercus sect. Lobatae
|species=Quercus kelloggii
}}<!--

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