Difference between revisions of "Ostrya chisosensis"
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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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
| − | |name= | + | |name=Ostrya knowltonii subsp. chisosensis |
|authority=(Correll) E. Murray | |authority=(Correll) E. Murray | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Betulaceae;Betulaceae subfam. Coryloideae;Ostrya;Ostrya chisosensis | |hierarchy=Betulaceae;Betulaceae subfam. Coryloideae;Ostrya;Ostrya chisosensis | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Trees,</b> to 12 m; crowns open, cylindric. <b>Bark</b> brownish gray, broken into narrow vertical strips. <b>Twigs</b> sparsely to moderately pubescent, without stipitate glands. <b>Leaves</b>: petiole glabrous or pubescent, without stipitate glands. <b>Leaf</b> 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. <b>Inflorescences</b>: staminate catkins 3–4 cm; pistillate catkins 0.8–1.5 cm. <b>Infructescences</b> 2–4 × 1.5–2.5 cm; bracts 1–1.8 × 0.5–1 cm.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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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> | + | --><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> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Ostrya chisosensis | name=Ostrya chisosensis | ||
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|authority=Correll | |authority=Correll | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
| − | |synonyms= | + | |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:// | + | |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 | ||
|species=Ostrya chisosensis | |species=Ostrya chisosensis | ||
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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.