Difference between revisions of "Schoenoplectus sect. Malacogeton"

(Ohwi) S. G. Smith & Hayasaka

J. Jap. Bot. 76: 340. 2001.

Basionym: Scirpus sect. Malacogeton Ohwi Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 18: 97. 1944
Treatment appears in FNA Volume 23.
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|name=Scirpus sect. Malacogeton
 
|name=Scirpus sect. Malacogeton
 
|authority=Ohwi
 
|authority=Ohwi
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|rank=section
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|publication_title=Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol.
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|distribution=North America;e Asia.
 
|distribution=North America;e Asia.
 
|discussion=<p>Species 4 or 5 (3 in the flora).</p><!--
 
|discussion=<p>Species 4 or 5 (3 in the flora).</p><!--
--><p>The North American species are the most aquatic of all North American Schoenoplectus (S. G. Smith and E. Hayasaka 2001).</p>
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--><p>The North American species are the most aquatic of all North American <i>Schoenoplectus</i> (S. G. Smith and E. Hayasaka 2001).</p>
 
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name=Schoenoplectus sect. Malacogeton
 
name=Schoenoplectus sect. Malacogeton
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|authority=(Ohwi) S. G. Smith & Hayasaka
 
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|publication year=2001
 
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|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V23/V23_74.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_74.xml
 
|genus=Schoenoplectus
 
|genus=Schoenoplectus
 
|section=Schoenoplectus sect. Malacogeton
 
|section=Schoenoplectus sect. Malacogeton

Latest revision as of 20:42, 5 November 2020

Plants perennial; rhizomes spreading, conspicuous, long, weak, soft, flaccid; tuber occasionally present, terminal (and sometimes subterminal). Culms 0.5–2–3 mm wide. Leaves all basal; blades often flaccid. Inflorescences 1–3 times branched or capitate or of 1 spikelet. Spikelets: scales with usually 3–11 distinct or obscure parallel ribs (veins), at least in proximal part of spikelet, apex entire or obscurely emarginate, usually mucronate. Flowers: perianth segments bristlelike, spinulose; amphicarpic flowers absent. Achenes trigonous, 2.5–4.5 mm, smooth.

Distribution

North America, e Asia.

Discussion

Species 4 or 5 (3 in the flora).

The North American species are the most aquatic of all North American Schoenoplectus (S. G. Smith and E. Hayasaka 2001).

Selected References

None.