Difference between revisions of "Carex sect. Holarrhenae"
in H. G. A. Engler and K. Prantl, Nat. Planzenfam. 15[II,2]: 124. 1888.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Carex sect. Holarrhenae | |accepted_name=Carex sect. Holarrhenae | ||
| − | |accepted_authority=(Döll) Pax | + | |accepted_authority=(Döll) Pax |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in H. G. A. Engler and K. Prantl, Nat. Planzenfam. | |title=in H. G. A. Engler and K. Prantl, Nat. Planzenfam. | ||
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|year=1888 | |year=1888 | ||
}} | }} | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Holarrhenae | |name=Holarrhenae | ||
|authority=Döll | |authority=Döll | ||
| + | |rank=unranked | ||
| + | |publication_title=Fl. Baden, | ||
| + | |publication_place=245. 1855 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Carex sect. Distichae | |name=Carex sect. Distichae | ||
|authority=Rouy | |authority=Rouy | ||
| + | |rank=section | ||
}} | }} | ||
|hierarchy=Cyperaceae;Carex;Carex sect. Holarrhenae | |hierarchy=Cyperaceae;Carex;Carex sect. Holarrhenae | ||
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name=Carex sect. Holarrhenae | name=Carex sect. Holarrhenae | ||
|author=A. A. Reznicek;Paul M. Catling | |author=A. A. Reznicek;Paul M. Catling | ||
| − | |authority=(Döll) Pax | + | |authority=(Döll) Pax |
|rank=section | |rank=section | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1888 | |publication year=1888 | ||
|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_524.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Holarrhenae | |section=Carex sect. Holarrhenae | ||
Latest revision as of 20:41, 5 November 2020
Plants not cespitose, long-rhizomatous. Culms brown at base. Leaves: basal sheaths not fibrous; sheath fronts herbacous, not differentiated from backs, distal leaves with sheath fronts green-veined; blades V-shaped in cross section when young, glabrous. Inflorescences racemose with 9–37 spikes; proximal bracts shortly leaflike, sheathless; spikes androgynous or unisexual, sessile, without prophylls. Proximal pistillate scales with apex obtuse to cuspidate. Perigynia erect, veined on both faces, sessile, broadly ovate, plano-convex, base rounded, margins sharply to narrowly winged, apex abruptly contracted to beak, glabrous; beak 0.4–1.9(–2.3) mm, with abaxial suture, margins often serrulate, apex slightly bidentate. Stigmas 2. Achenes biconvex, smaller than bodies of perigynia; style deciduous.
Distribution
Temperate regions of Northern Hemisphere.
Discussion
Species 2 (2 in the flora).
Lower Taxa
Key
| 1 | Larger perigynia (2.5–)2.8–4.1(–4.6) mm; beak 0.4–1(–1.2) mm; pistillate scales usually pale brown to straw colored at maturity; basal spikes only slightly, if at all, more prominent than middle spikes, inflorescence nearly cylindric except near apex. | Carex sartwellii |
| 1 | Larger perigynia (3.8–)4–5.5(–6.1) mm; beak (0.8–)1–1.9(–2.3) mm; pistillate scales reddish brown at maturity; basal spikes usually substantially larger than those nearer middle, inflorescence at maturity usually conspicuously contracted towards middle. | Carex disticha |