Difference between revisions of "Quercus graciliformis"
Torreya 34: 120. 1934.
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}}{{Treatment/ID/Special_status | }}{{Treatment/ID/Special_status | ||
|code=F | |code=F | ||
| − | |label= | + | |label=Illustrated |
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Quercus canbyi | |name=Quercus canbyi | ||
|authority=Cory & Parks | |authority=Cory & Parks | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Quercus graciliformis var. parvilobata | |name=Quercus graciliformis var. parvilobata | ||
|authority=C. H. Muller | |authority=C. H. Muller | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Fagaceae;Quercus;Quercus sect. Lobatae;Quercus graciliformis | |hierarchy=Fagaceae;Quercus;Quercus sect. Lobatae;Quercus graciliformis | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Quercus graciliformis | name=Quercus graciliformis | ||
| − | |||
|authority=C. H. Muller | |authority=C. H. Muller | ||
|rank=species | |rank=species | ||
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|publication title=Torreya | |publication title=Torreya | ||
|publication year=1934 | |publication year=1934 | ||
| − | |special status=Conservation concern;Endemic; | + | |special status=Conservation concern;Endemic;Illustrated |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V3/V3_11.xml |
|genus=Quercus | |genus=Quercus | ||
|section=Quercus sect. Lobatae | |section=Quercus sect. Lobatae | ||
Revision as of 21:24, 16 December 2019
Trees, tardily deciduous, to 8 m. Bark gray, furrowed. Twigs straw colored to brown or deep reddish brown, 1-2 mm diam., glabrate or somewhat pubescent at apex. Terminal buds glossy brown or red-brown, ovoid, 1.5-3 mm, minutely ciliate. Leaves: petiole 10-20 mm, glabrous or glabrate. Leaf blade lanceolate to narrowly elliptic, widest proximal to middle, 45-90 × 10-25 mm, base rounded to cuneate, margins entire or with 8-10 teeth or shallow lobes with rounded sinuses, awns 1-9, apex acute to long-attenuate; surfaces abaxially glabrous or occasionally with small axillary tufts of tomentum, adaxially glabrous except for scattered pubescence near base and along midrib. Acorns biennial; cup saucer- to shallowly bowl-shaped, 4-6 mm high × 7-10 mm wide, covering 1/4-1/3 nut, outer surface puberulent to glabrate, inner surface uniformly pubescent, scales appressed, acute, occasionally tuberculate at base; nut ovoid to narrowly ellipsoid, 9-18 × 7-10 mm, minutely puberulent, scar diam. 3-4.5 mm.
Phenology: Flowering spring.
Habitat: Dry rocky canyons of the Chisos Mountains
Elevation: 0-1650 m
Discussion
Of conservation concern.
Quercus graciliformis reportedly hybridizes with Q. emoryi.
Selected References
None.