Difference between revisions of "Carex sect. Obtusatae"
in N. L. Britton et al., N. Amer. Fl. 18: 180. 1935.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Carex sect. Obtusatae | |accepted_name=Carex sect. Obtusatae | ||
| − | |accepted_authority=(Tuckerman) Mackenzie | + | |accepted_authority=(Tuckerman) Mackenzie |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in N. L. Britton et al., N. Amer. Fl. | |title=in N. L. Britton et al., N. Amer. Fl. | ||
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|year=1935 | |year=1935 | ||
}} | }} | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Obtusatae | |name=Obtusatae | ||
|authority=Tuckerman | |authority=Tuckerman | ||
| + | |rank=unranked | ||
| + | |publication_title=Enum. Meth. Caric., | ||
| + | |publication_place=8. 1843 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|distribution=w and c North America;Eurasia. | |distribution=w and c North America;Eurasia. | ||
|discussion=<p>Species 1.</p><!-- | |discussion=<p>Species 1.</p><!-- | ||
| − | --><p>The delimitation of Carex sect. Obtusatae follows T. V. Egorova (1999) who placed C. supina and relatives in sect. Lamprochlaenae (Drejer) L. H. Bailey.</p> | + | --><p>The delimitation of <i>Carex </i>sect.<i> Obtusatae</i> follows T. V. Egorova (1999) who placed <i>C. supina</i> and relatives in sect. Lamprochlaenae (Drejer) L. H. Bailey.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Carex sect. Obtusatae | name=Carex sect. Obtusatae | ||
|author=David F. Murray | |author=David F. Murray | ||
| − | |authority=(Tuckerman) Mackenzie | + | |authority=(Tuckerman) Mackenzie |
|rank=section | |rank=section | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1935 | |publication year=1935 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_1055.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Obtusatae | |section=Carex sect. Obtusatae | ||
Latest revision as of 21:38, 5 November 2020
Plants not cespitose, long-rhizomatous. Culms red-brown to red-purple at base. Leaves: basal sheaths not or only slightly fibrous; sheath fronts membranous, sheath fronts of distal cauline leaves minutely dotted red to purple; blades V-shaped in cross section when young, glabrous. Inflorescence 1 spike; bracts absent; spike androgynous. Proximal pistillate scales less than 10 mm, apex acuminate or cuspidate. Perigynia ascending, brown to reddish black, veinless or obscurely veined, broadly elliptic to obovate, terete to rounded-trigonous in cross section, base rounded-cuneate, apex tapering or rounded to abrupt beak, glabrous; beak 0.5–1 mm, minutely bidentate. Stigmas 3. Achenes rounded-trigonous, almost as large as bodies of perigynia; style deciduous.
Distribution
w and c North America, Eurasia.
Discussion
Species 1.
The delimitation of Carex sect. Obtusatae follows T. V. Egorova (1999) who placed C. supina and relatives in sect. Lamprochlaenae (Drejer) L. H. Bailey.
Selected References
None.