Difference between revisions of "Carex sect. Scirpinae"
in H. G. A. Engler, Pflanzenr. 20[IV,38]: 81. 1909.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Carex sect. Scirpinae | |accepted_name=Carex sect. Scirpinae | ||
| − | |accepted_authority=(Tuckerman) Kükenthal | + | |accepted_authority=(Tuckerman) Kükenthal |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in H. G. A. Engler, Pflanzenr. | |title=in H. G. A. Engler, Pflanzenr. | ||
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|name=Scirpinae | |name=Scirpinae | ||
|authority=Tuckerman | |authority=Tuckerman | ||
| + | |rank=unranked | ||
|publication_title=Enum. Meth. Caric., | |publication_title=Enum. Meth. Caric., | ||
|publication_place=8. 1844 | |publication_place=8. 1844 | ||
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|name=Undefined sect. Scirpoideae | |name=Undefined sect. Scirpoideae | ||
|authority=Pax | |authority=Pax | ||
| + | |rank=section | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Undefined sect. Trysanolepis | |name=Undefined sect. Trysanolepis | ||
|authority=V. I. Kreczetowicz | |authority=V. I. Kreczetowicz | ||
| + | |rank=section | ||
}} | }} | ||
|hierarchy=Cyperaceae;Carex;Carex sect. Scirpinae | |hierarchy=Cyperaceae;Carex;Carex sect. Scirpinae | ||
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name=Carex sect. Scirpinae | name=Carex sect. Scirpinae | ||
|author=Debra A. Dunlop | |author=Debra A. Dunlop | ||
| − | |authority=(Tuckerman) Kükenthal | + | |authority=(Tuckerman) Kükenthal |
|rank=section | |rank=section | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1909 | |publication year=1909 | ||
|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_1042.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Scirpinae | |section=Carex sect. Scirpinae | ||
Latest revision as of 21:38, 5 November 2020
Plants usually cespitose, short to long rhizomatous, sometimes inconspicuously rhizomatous. Culms red-brown at base. Leaves: basal sheaths fibrous or not, persistent sheaths usually absent; sheath fronts membranous, puberulent; blades V-shaped in cross section when young, glabrous or puberulent. Inflorescence usually 1 spike, rarely short second spike; bractless or bract filiform, sheathless, prophyllate; spikes unisexual, mostly staminate and pistillate spikes on different plants. Proximal pistillate scales with apex obtuse to acute, ciliate. Perigynia erect, veinless or obscurely veined, with 2 prominent marginal veins, stipitate, lanceolate to ovate or obovate, rounded-trigonous in cross section, less than 10 mm, base tapering or rounded, apex tapering or rounded to beak, pubescent; beak 0.1–0.5 mm, emarginate or shortly bidentate, teeth less than 0.8 mm. Stigmas (2–)3(–4). Achenes usually trigonous, smaller than bodies of perigynia; style deciduous. x = 29, 31.
Distribution
w and n North America, Europe (Norway), and Asia.
Discussion
Species 3 (3 in the flora).
Selected References
Lower Taxa
Key
| 1 | Culms 5–35(–40) cm; achenes tightly enveloped by perigynia, occupying full width and at least 3/4 length of perigynia; North America, Europe, Asia. | Carex scirpoidea |
| 1 | Culms (25–)35–91 cm; achenes loosely enveloped by perigynia, occupying 1/3–2/3 width and 1/3–3/4 length of perigynia; restricted to North America. | > 2 |
| 2 | Perigynia tawny to red-brown, distal 3/4 hirsute; leaves sparsely pilose adaxially at 20X; n Arizona and s Utah. | Carex curatorum |
| 2 | Perigynia purple-black, distal 1/3 sparsely hairy; leaves glabrous adaxially; sw Oregon and nw California. | Carex scabriuscula |