Quercus chihuahuensis Trel.  

Primary tabs

EOL Text

Comments:

Quercus chihuahuensis is a distinctive species throughout its range, mostly in dry montane western Mexico; it occurs in the United States only as putative hybrids with Q . grisea (the Eagle and Quitman mountains) and Q . arizonica (Hueco Tanks) in Texas.

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthoreFloras.org Copyright © Missouri Botanical Garden
Sourcehttp://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233501017

Distribution:

Tex.; Mexico (Chihuahua, Sonora, Zacatecas, and San Luis Potosí).

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthoreFloras.org Copyright © Missouri Botanical Garden
Sourcehttp://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233501017

Description:

Shrubs or trees , deciduous, to 10 m. Bark gray, furrowed, checkered, or scaly. Twigs gray, 2-3(-4) mm diam., densely tomentose. Buds reddish brown, broadly ovoid, distally rounded, 2-2.5 mm, densely yellowish pubescent; scales gray-puberulent; stipules persistent, 1-4, subulate, pubescent, at base of terminal buds. Leaves: petiole 3-5(-8) mm. Leaf blade elliptic or oblong to ovate or obovate, (25-)40-50(-85) × (18-)20-30(-50) mm, base rounded or shallowly cordate, margins entire or toothed to sublobate, secondary veins 8 to 10 on each side, somewhat branching, apex broadly rounded to acute; surfaces abaxially yellowish or grayish, densely stellate with velvety hairs, adaxially green, sparsely soft-pubescent with prominent, spreading, stellate hairs, felty to touch, secondary veins somewhat prominent on both surfaces, even under dense tomentum. Acorns 1-3 on tomentose peduncle 15-35(-60) mm; cup hemispheric, 7-10 mm deep × 10-15 mm wide, enclosing 1/2 nut, scales proximally thickened, distally appressed, densely gray-puberulent, tips reddish, ultimately glabrate; nut ovoid, 14-18 × 10-12 mm, puberulent, eventually glabrate. Cotyledons connate.

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthoreFloras.org Copyright © Missouri Botanical Garden
Sourcehttp://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233501017

Synonym:

Quercus infralutea Trelease; Q. jaliscensis Trelease; Q. santaclarensis C. H. Muller

Licensehttp://creativecommons.org/licenses/by-nc-sa/3.0/
Rights holder/AuthoreFloras.org Copyright © Missouri Botanical Garden
Sourcehttp://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233501017

Isotype for Quercus chihuahuensis Trel.
Catalog Number: US 930340
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. G. Pringle
Year Collected: 1885
Locality: Near Chihuahua., Chihuahua, Mexico, North America

  • Isotype: Trelease, W. 1924. Mem. Natl. Acad. Sci. 20: 85.
Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorThis image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws.
Sourcehttp://collections.mnh.si.edu/search/botany/?irn=10081957

Isotype for Quercus chihuahuensis Trel.
Catalog Number: US 218771
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. G. Pringle
Year Collected: 1885
Locality: Near Chihuahua., Chihuahua, Mexico, North America

  • Isotype: Trelease, W. 1924. Mem. Natl. Acad. Sci. 20: 85.
Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorThis image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws.
Sourcehttp://collections.mnh.si.edu/search/botany/?irn=2149997

Isotype for Quercus santaclarensis C.H. Mull.
Catalog Number: US 1822638
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): F. Shreve
Year Collected: 1937
Locality: Santa Clara Mts., Chihuahua, Mexico, North America
Elevation (m): 2164 to 2164

  • Isotype: Muller, C. H. 1938. Amer. Midl. Naturalist. 19: 583.
Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorThis image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws.
Sourcehttp://collections.mnh.si.edu/search/botany/?irn=2127202

Isotype for Quercus infralutea Trel.
Catalog Number: US 635606
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): J. N. Rose
Year Collected: 1910
Locality: Sierra de Alamos., Sonora, Mexico, North America

  • Isotype: Trelease, W. 1924. Mem. Natl. Acad. Sci. 20: 87.
Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorThis image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws.
Sourcehttp://collections.mnh.si.edu/search/botany/?irn=2114780

Isotype for Quercus chihuahuensis f. tenuis Trel.
Catalog Number: US 930481
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): W. Schumann
Year Collected: 1885
Locality: Jaral, Coahuila, Mexico, North America

  • Isotype: Trelease, W. 1924. Mem. Natl. Acad. Sci. 20: 86.
Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorThis image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws.
Sourcehttp://collections.mnh.si.edu/search/botany/?irn=2101015

Isotype for Quercus jaliscensis Trel.
Catalog Number: US 301611
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): J. N. Rose
Year Collected: 1897
Locality: Colotlan to Plateado., Jalisco, Mexico, North America

  • Isotype: Trelease, W. 1924. Mem. Natl. Acad. Sci. 20: 86.
Licensehttp://creativecommons.org/licenses/by/3.0/
Rights holder/AuthorThis image was obtained from the Smithsonian Institution. Unless otherwise noted, this image or its contents may be protected by international copyright laws.
Sourcehttp://collections.mnh.si.edu/search/botany/?irn=2077668
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith