Difference between revisions of "Quercus turbinella"
Ill. W. Amer. Oaks 1: 37. 1889.
Common names: Sonoran scrub oak
Illustrated
Synonyms: Quercus dumosa var. turbinella (Greene) Jepson Quercus subturbinella Trelease
Treatment appears in FNA Volume 3.
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|common_names=Sonoran scrub oak | |common_names=Sonoran scrub oak | ||
|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
| + | |code=W1 | ||
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|code=F | |code=F | ||
| − | |label= | + | |label=Illustrated |
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}} | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
| − | |name= | + | |name=Quercus dumosa var. turbinella |
|authority=(Greene) Jepson | |authority=(Greene) Jepson | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| − | |name= | + | }} {{Treatment/ID/Synonym |
| + | |name=Quercus subturbinella | ||
|authority=Trelease | |authority=Trelease | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Fagaceae;Quercus;Quercus sect. Quercus;Quercus turbinella | |hierarchy=Fagaceae;Quercus;Quercus sect. Quercus;Quercus turbinella | ||
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| − | --><span class="statement" id="st- | + | --><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><!-- |
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|habitat=Dry desert slopes, often in juniper and pinyon woodlands | |habitat=Dry desert slopes, often in juniper and pinyon woodlands | ||
|elevation=800-2000 m | |elevation=800-2000 m | ||
| − | |distribution=Ariz.;Calif.;Colo.;N.Mex.;Nev.;Tex.;Utah;Mexico (Baja California | + | |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 Quercus john-tuckeri have been included in the concept of Q. turbinella. Quercus john-tuckeri has subsessile fruit and noncordate leaf bases as opposed to the consistently pedunculate fruit and strongly cordate leaf bases of Q. turbinella. The two species seem to be no more closely related to each other than each might be to other southwestern oaks, and Q. john-tuckeri shares at least as many characteristics with Q. berberidifolia as with Q. turbinella. Thus, treatment of these two taxa as varieties of the same species is inappropriate.</p><!-- | + | |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>Quercus turbinella forms putative hybrid swarms with Q. gambelii (see treatment), as well as with Q. grisea.</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= | |tables= | ||
|references={{Treatment/Reference | |references={{Treatment/Reference | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Quercus turbinella | name=Quercus turbinella | ||
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|authority=Greene | |authority=Greene | ||
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
| − | |synonyms= | + | |synonyms=Quercus dumosa var. turbinella;Quercus subturbinella |
|basionyms= | |basionyms= | ||
|family=Fagaceae | |family=Fagaceae | ||
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|habitat=Dry desert slopes, often in juniper and pinyon woodlands | |habitat=Dry desert slopes, often in juniper and pinyon woodlands | ||
|elevation=800-2000 m | |elevation=800-2000 m | ||
| − | |distribution=Ariz.;Calif.;Colo.;N.Mex.;Nev.;Tex.;Utah;Mexico (Baja California | + | |distribution=Ariz.;Calif.;Colo.;N.Mex.;Nev.;Tex.;Utah;Mexico (Baja California;Sonora;and probably n Chihuahua). |
|reference=tucker1961a | |reference=tucker1961a | ||
|publication title=Ill. W. Amer. Oaks | |publication title=Ill. W. Amer. Oaks | ||
|publication year=1889 | |publication year=1889 | ||
| − | |special status= | + | |special status=W1;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_1061.xml |
|genus=Quercus | |genus=Quercus | ||
|section=Quercus sect. Quercus | |section=Quercus sect. Quercus | ||
|species=Quercus turbinella | |species=Quercus turbinella | ||
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Latest revision as of 21:45, 5 November 2020
Shrubs or small trees, evergreen or subevergreen, to 4 m. Bark light gray or brown, scaly. Twigs brown to gray, 1-3 mm diam., usually tomentulose, sometimes glabrous, becoming glabrate. Buds brown, round to ovoid, 1-2 mm, minutely pubescent. Leaves: petiole 1-4 mm. Leaf 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. Acorns 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. Cotyledons distinct.
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
Formerly, California populations of what here is referred to as Quercus john-tuckeri have been included in the concept of Q. turbinella. Quercus john-tuckeri has subsessile fruit and noncordate leaf bases as opposed to the consistently pedunculate fruit and strongly cordate leaf bases of Q. turbinella. The two species seem to be no more closely related to each other than each might be to other southwestern oaks, and Q. john-tuckeri shares at least as many characteristics with Q. berberidifolia as with Q. turbinella. Thus, treatment of these two taxa as varieties of the same species is inappropriate.
Quercus turbinella forms putative hybrid swarms with Q. gambelii (see treatment), as well as with Q. grisea.
Selected References
Lower Taxa
None.