Difference between revisions of "Eleocharis radicans"
Enum. Pl. 2: 142. 1837.
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|name=Scirpus radicans | |name=Scirpus radicans | ||
|authority=Poiret | |authority=Poiret | ||
| + | |rank=species | ||
|publication_title=in J. Lamarck et al., Encycl. | |publication_title=in J. Lamarck et al., Encycl. | ||
|publication_place=6: 751. 1804 | |publication_place=6: 751. 1804 | ||
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|name=Eleocharis acicularis var. radicans | |name=Eleocharis acicularis var. radicans | ||
|authority=(Poiret) Britton | |authority=(Poiret) Britton | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Eleocharis lindheimeri | |name=Eleocharis lindheimeri | ||
|authority=Svenson | |authority=Svenson | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cyperaceae;Eleocharis;Eleocharis subg. Scirpidium;Eleocharis radicans | |hierarchy=Cyperaceae;Eleocharis;Eleocharis subg. Scirpidium;Eleocharis radicans | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eleocharis radicans | name=Eleocharis radicans | ||
| − | |||
|authority=(Poiret) Kunth | |authority=(Poiret) Kunth | ||
|rank=species | |rank=species | ||
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|publication year=1837 | |publication year=1837 | ||
|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_170.xml |
|genus=Eleocharis | |genus=Eleocharis | ||
|subgenus=Eleocharis subg. Scirpidium | |subgenus=Eleocharis subg. Scirpidium | ||
Revision as of 20:05, 16 December 2019
Plants perennial, mat-forming; rhizomes 0.2–0.5 mm thick, longer internodes 5–10 mm, scales not evident. Culms obscurely to ca. 10-ribbed when dry, terete, 1–12 cm × 0.4–1 mm, very soft, spongy. Leaves: distal leaf sheaths fugaceous, colorless, translucent, apex blunt. Spikelets ovoid, 2–3 × 1–1.5 mm, apex acute; scales 5–15, 5–7 per mm of rachilla, colorless to stramineous, rarely slightly reddish, medially broadly greenish to colorless, faintly 3–5-veined, often ovate, membranous, fleshy; proximal scale 2–2.5 × 0.7 mm, other scales 1.5–2 × 0.7 mm, midrib obscure to slightly keeled, apex acute to rounded. Flowers: perianth bristles equaling achene; anthers yellow to brown, 0.3–0.5 mm. Achenes brownish, angles plus longitudinal ridges ca. 7, narrowly obovoid, 2 times longer than wide, 0.75–0.9 × 0.35–0.4 mm, trabeculae ca. 50, distinct. Tubercles brown, pyramidal, 0.15 × 0.15–0.2 mm.
Phenology: Fruiting spring–winter (Apr–Dec).
Habitat: Stream alluvium, lake margins, meadows, seeps, bogs
Elevation: 100–1400 Ariz., Calif., Fla., La., Mich., Okla., Tex., Va.
Distribution
n Mexico, West Indies, Central America (El Salvador), South America (Argentina, Chile), Pacific Islands (Hawaii).
Discussion
Selected References
None.