Difference between revisions of "Eleocharis nitida"

Fernald

Rhodora 8: 129. 1906.

Common names: Neat spike-rush éléocharide brillante
IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 86. Mentioned on page 68, 87.
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|special status=Illustrated;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_118.xml
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|genus=Eleocharis
 
|genus=Eleocharis
 
|subgenus=Eleocharis subg. Eleocharis
 
|subgenus=Eleocharis subg. Eleocharis

Latest revision as of 20:38, 5 November 2020

Plants perennial, mat-forming; rhizomes evident, 0.3–0.5 mm thick, hard, cortex persistent, longer internodes 2 mm, scales persistent or fugaceous, 2–3 mm, membranous to papery, slightly fibrous. Culms terete, 2–15 cm × 0.15–0.3 mm, firm to soft. Leaves: distal leaf sheaths persistent, not splitting, proximally stramineous to reddish, distally green or stramineous to reddish, membranous, apex often red, obtuse to acute, tooth absent. Spikelets ovoid, 1–4 × 1–2 mm, obtuse to acute; proximal scale amplexicaulous, apex entire; subproximal scale with flower; floral scales spreading in fruit, 5–30, 8 per mm of rachilla, medium to very dark brown, midrib region often pale or greenish, broadly ovate, 1–1.3 × 1 mm, apex rounded, entire, not carinate. Flowers: perianth bristles absent; stamens 3; anthers yellow, 0.3 mm; styles 3-fid. Achenes persistent after scales fall, to dark yellow-orange or brown, broadly obpyriform, trigonous, angles evident, 0.6–0.65 × 0.5–0.55 mm, rugulose at 20–30X, 20 blunt horizontal ridges in each vertical series. Tubercles brown, greatly depressed, rudimentary, 0.05–15 × 0.15–0.3 mm.


Phenology: Fruiting late spring (Jun)–summer.
Habitat: Fresh bog pools, streams, disturbed places
Elevation: 30–400 m

Distribution

V23 118-distribution-map.jpg

Nfld. and Labr., N.S., Ont., Que., Sask., Alaska, Mich., Minn., N.H., Wis.

Discussion

Eleocharis nitida is much like E. elliptica but all structures are smaller; intermediates are unknown.

Selected References

None.

Lower Taxa

None.
... more about "Eleocharis nitida"
S. Galen Smith* +, Jeremy J. Bruhl* +, M. Socorro González-Elizondo* +  and Francis J. Menapace* +
Fernald +
Neat spike-rush +  and éléocharide brillante +
Nfld. and Labr. +, N.S. +, Ont. +, Que. +, Sask. +, Alaska +, Mich. +, Minn. +, N.H. +  and Wis. +
30–400 m +
Fresh bog pools, streams, disturbed places +
Fruiting late spring (Jun)–summer. +
Illustrated +  and Endemic +
Eleocharis +
Eleocharis nitida +
Eleocharis (sect. Eleocharis) ser. Eleocharis +
species +