Difference between revisions of "Carex sect. Obtusatae"
in N. L. Britton et al., N. Amer. Fl. 18: 180. 1935.
FNA>Volume Importer |
imported>Volume Importer |
||
(2 intermediate revisions by 2 users not shown) | |||
Line 1: | Line 1: | ||
{{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. | ||
Line 37: | Line 37: | ||
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 | ||
Line 48: | Line 48: | ||
|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 20:38, 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.