Difference between revisions of "Rhynchospora knieskernii"
Amer. J. Sci. Arts, ser. 2, 4: 25. 1847.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
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|distribution=Del.;N.J. | |distribution=Del.;N.J. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Rhynchospora knieskernii is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | + | --><p><i>Rhynchospora knieskernii</i> is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> |
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Rhynchospora knieskernii | name=Rhynchospora knieskernii | ||
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|authority=J. Carey | |authority=J. Carey | ||
|rank=species | |rank=species | ||
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|publication title=Amer. J. Sci. Arts, ser. | |publication title=Amer. J. Sci. Arts, ser. | ||
|publication year=1847 | |publication year=1847 | ||
| − | |special status= | + | |special status=Illustrated;Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_363.xml |
|genus=Rhynchospora | |genus=Rhynchospora | ||
|species=Rhynchospora knieskernii | |species=Rhynchospora knieskernii | ||
Latest revision as of 20:40, 5 November 2020
Illustrator:
Copyright:
Plants perennial, cespitose, to 50 cm; rhizomes absent. Culms erect to arching, leafy, linear to filiform, nearly triangular. Leaves ascending, overtopped by culm; blades flat, linear to filiform, to 1.8 mm wide, apex distally involute, trigonous, setaceous. Inflorescences terminal and axillary, spikelet clusters 2–4, widely spaced, the lowest near plant base; clusters compact, broadly turbinate to hemispheric, to 1.5 cm wide; leafy bracts curved, setaceous, slightly to greatly overtopping subtended compounds. Spikelets dark brown, lance-ellipsoid, 2–3 mm; fertile scales 2 mm, apex acute, midrib short-excurrent or not. Flowers: perianth bristles 6, ± as long as fruit body, retrorsely barbellate. Fruits mostly 2 per spikelet, 1.5–1.9 mm; body brown with yellowish center, ellipsoid, lenticular distal to short stipe, 1–1.3 × 0.6–0.8 mm; tubercle triangular, 0.3–0.6 mm, distinctly shorter than fruit body.
Phenology: Fruiting summer–fall.
Habitat: Moist to wet pine barrens, sand pits, borrow pits
Elevation: 0–100 m
Discussion
Of conservation concern.
Rhynchospora knieskernii is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.