Difference between revisions of "Schoenoplectus acutus var. occidentalis"
Novon 5: 97. 1995.
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|name=Scirpus lacustris var. occidentalis | |name=Scirpus lacustris var. occidentalis | ||
|authority=S. Watson | |authority=S. Watson | ||
| + | |rank=variety | ||
|publication_title=Bot. California | |publication_title=Bot. California | ||
|publication_place=2: 218. 1880 | |publication_place=2: 218. 1880 | ||
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|name=Scirpus acutus var. occidentalis | |name=Scirpus acutus var. occidentalis | ||
|authority=(S. Watson) Beetle | |authority=(S. Watson) Beetle | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Scirpus rubiginosus | |name=Scirpus rubiginosus | ||
|authority=Beetle | |authority=Beetle | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cyperaceae;Schoenoplectus;Schoenoplectus sect. Schoenoplectus;Schoenoplectus acutus;Schoenoplectus acutus var. occidentalis | |hierarchy=Cyperaceae;Schoenoplectus;Schoenoplectus sect. Schoenoplectus;Schoenoplectus acutus;Schoenoplectus acutus var. occidentalis | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Schoenoplectus acutus var. occidentalis | name=Schoenoplectus acutus var. occidentalis | ||
| − | |||
|authority=(S. Watson) S. G. Smith | |authority=(S. Watson) S. G. Smith | ||
|rank=variety | |rank=variety | ||
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|publication year=1995 | |publication year=1995 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_67.xml |
|genus=Schoenoplectus | |genus=Schoenoplectus | ||
|section=Schoenoplectus sect. Schoenoplectus | |section=Schoenoplectus sect. Schoenoplectus | ||
Revision as of 20:10, 16 December 2019
Culms dark to light green, 1–4 m × 4–12 mm, firm to soft, larger air cavities in distal 1/4, 1–2.5 mm wide. Leaves: sheath fronts mostly delicately pinnate-fibrillose. Inflorescences to 3 times branched, branches sometimes flexible and drooping. Spikelets 4–190, 6–24 × 4 mm. Flowers: perianth bristles (4–)6(–8), equaling to less than 1/2 achene body, rarely rudimentary; styles from 2-fid with few 3-fid at spikelet apex to mostly (or all) 3-fid. Achenes plano-convex or compressed obtusely trigonous.
Phenology: Fruiting (spring–)summer(–fall).
Habitat: Fresh, often calcareous to brackish marshes, fens, lakes, slow streams, often emergent in water to 1.5 m
Elevation: 0–2100 m
Distribution
B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Tex., Utah, Wash., Wyo., n Mexico.
Discussion
Schoenoplectus acutus var. occidentalis forms sterile hybrids with S. californicus in California (S. G. Smith 1995; see 1. S. tabernaemontani).
Selected References
None.