Difference between revisions of "Ostrya chisosensis"

Correll

Wrightia 3: 128. 1965.

Common names: Chisos hop-hornbeam Big Bend hop-hornbeam
Conservation concernEndemic
Synonyms: Ostrya knowltonii subsp. chisosensis (Correll) E. Murray
Treatment appears in FNA Volume 3.
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|basionyms=
 
|basionyms=
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
|name=Subspecies
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|name=Ostrya knowltonii subsp. chisosensis
 
|authority=(Correll) E. Murray
 
|authority=(Correll) E. Murray
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|rank=subspecies
 
}}
 
}}
 
|hierarchy=Betulaceae;Betulaceae subfam. Coryloideae;Ostrya;Ostrya chisosensis
 
|hierarchy=Betulaceae;Betulaceae subfam. Coryloideae;Ostrya;Ostrya chisosensis
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|distribution=Tex.
 
|distribution=Tex.
 
|discussion=<p>Of conservation concern.</p><!--
 
|discussion=<p>Of conservation concern.</p><!--
--><p>Ostrya chisosensis is endemic to Big Bend National Park, Texas. It appears to be related to O. knowltonii and to populations of hop-hornbeams in the mountains of western Mexico; the complex has not been studied in detail.</p>
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--><p><i>Ostrya chisosensis</i> is endemic to Big Bend National Park, Texas. It appears to be related to <i>O. knowltonii</i> and to populations of hop-hornbeams in the mountains of western Mexico; the complex has not been studied in detail.</p>
 
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name=Ostrya chisosensis
 
name=Ostrya chisosensis
|author=
 
 
|authority=Correll
 
|authority=Correll
 
|rank=species
 
|rank=species
 
|parent rank=genus
 
|parent rank=genus
|synonyms=Subspecies
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|synonyms=Ostrya knowltonii subsp. chisosensis
 
|basionyms=
 
|basionyms=
 
|family=Betulaceae
 
|family=Betulaceae
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|publication year=1965
 
|publication year=1965
 
|special status=Conservation concern;Endemic
 
|special status=Conservation concern;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_811.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_811.xml
 
|subfamily=Betulaceae subfam. Coryloideae
 
|subfamily=Betulaceae subfam. Coryloideae
 
|genus=Ostrya
 
|genus=Ostrya

Latest revision as of 22:51, 5 November 2020

Trees, to 12 m; crowns open, cylindric. Bark brownish gray, broken into narrow vertical strips. Twigs sparsely to moderately pubescent, without stipitate glands. Leaves: petiole glabrous or pubescent, without stipitate glands. Leaf blade broadly elliptic to elliptic-lanceolate, 3.5–5 × 2–3 cm, base narrowly rounded to cordate or cuneate, margins finely doubly serrate, apex obtuse to acute; surfaces abaxially sparsely pubescent, especially along veins. Inflorescences: staminate catkins 3–4 cm; pistillate catkins 0.8–1.5 cm. Infructescences 2–4 × 1.5–2.5 cm; bracts 1–1.8 × 0.5–1 cm.


Phenology: Flowering late spring.
Habitat: Streamsides and moist slopes in canyons
Elevation: 1500–2300 m

Discussion

Of conservation concern.

Ostrya chisosensis is endemic to Big Bend National Park, Texas. It appears to be related to O. knowltonii and to populations of hop-hornbeams in the mountains of western Mexico; the complex has not been studied in detail.

Selected References

None.

Lower Taxa

None.