Difference between revisions of "Schoenoplectus acutus var. occidentalis"
Novon 5: 97. 1995.
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|common_names=Common tule | |common_names=Common tule | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Scirpus lacustris var. occidentalis | |name=Scirpus lacustris var. occidentalis | ||
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|publication title=Novon | |publication title=Novon | ||
|publication year=1995 | |publication year=1995 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V23/V23_67.xml |
|genus=Schoenoplectus | |genus=Schoenoplectus | ||
|section=Schoenoplectus sect. Schoenoplectus | |section=Schoenoplectus sect. Schoenoplectus | ||
Revision as of 21:36, 27 May 2020
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.