Difference between revisions of "Quercus emoryi"
in W. H. Emory, Not. Milit. Reconn., 151, plate 9. 1848.
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|accepted_name=Quercus emoryi | |accepted_name=Quercus emoryi | ||
| − | |accepted_authority=Torrey | + | |accepted_authority=Torrey |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in W. H. Emory, Not. Milit. Reconn., | |title=in W. H. Emory, Not. Milit. Reconn., | ||
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name=Quercus emoryi | name=Quercus emoryi | ||
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|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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|publication year=1848 | |publication year=1848 | ||
|special status=Illustrated | |special status=Illustrated | ||
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|genus=Quercus | |genus=Quercus | ||
|section=Quercus sect. Lobatae | |section=Quercus sect. Lobatae | ||
Latest revision as of 21:50, 5 November 2020
Trees or shrubs, evergreen, to 15 m. Bark dark brown to black, deeply fissured. Twigs dark reddish brown, 1-3 mm diam., pubescent. Terminal buds reddish brown, ovoid to subconic, 2.5-6.5 mm, glabrous except for tuft of hairs at apex, occasionally hairy on distal 1/2. Leaves: petiole 3-7(-10) mm, pubescent. Leaf blade ovate to narrowly oblong to obovate, planar, 28-95 × 15-45 mm, base cordate, margins entire or spinose, with up to 13 awns, apex blunt to acute; surfaces abaxially glabrous except for tuft of tomentum on each side of midrib at base of blade, rarely completely glabrous, adaxially not rugous, glabrous or with a few hairs along midrib. Acorns annual; cup cup-shaped, 5-7.5 mm high × 7-12 mm wide, covering 1/4-1/2 nut, outer surface pubescent to sparsely puberulent, inner surface pubescent to floccose, scale tips appressed, blunt; nut ellipsoid to oblong, 10-18 × 6-10 mm, glabrous to puberulent, especially at apex, scar diam. 3-5.5 mm.
Phenology: Flowering spring.
Habitat: Foothills and slopes
Elevation: 1000-2200 m
Distribution
Ariz., N.Mex., Tex., n Mexico.
Discussion
Quercus emoryi reportedly hybridizes with Q. graciliformis (= Q. ×tharpii C. H. Muller).
Selected References
None.