Difference between revisions of "Carex sect. Scirpinae"

(Tuckerman) Kükenthal in H. G. A. Engler

in H. G. A. Engler, Pflanzenr. 20[IV,38]: 81. 1909.

Basionym: Scirpinae Tuckerman Enum. Meth. Caric., 8. 1844
Synonyms: Undefined sect. Scirpoideae Pax Undefined sect. Trysanolepis V. I. Kreczetowicz
Treatment appears in FNA Volume 23.
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|name=Scirpinae
 
|name=Scirpinae
 
|authority=Tuckerman
 
|authority=Tuckerman
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|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
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|rank=section
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Undefined sect. Trysanolepis
 
|name=Undefined sect. Trysanolepis
 
|authority=V. I. Kreczetowicz
 
|authority=V. I. Kreczetowicz
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|rank=section
 
}}
 
}}
 
|hierarchy=Cyperaceae;Carex;Carex sect. Scirpinae
 
|hierarchy=Cyperaceae;Carex;Carex sect. Scirpinae
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|publication year=1909
 
|publication year=1909
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_1042.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_1042.xml
 
|genus=Carex
 
|genus=Carex
 
|section=Carex sect. Scirpinae
 
|section=Carex sect. Scirpinae

Revision as of 20:04, 16 December 2019

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).

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