Difference between revisions of "Fimbristylis perpusilla"
in J. K. Small, Fl. S.E. U.S., 188, 1327. 1903.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Fimbristylis perpusilla | |accepted_name=Fimbristylis perpusilla | ||
| − | |accepted_authority=R. M. Harper ex Small & Britton | + | |accepted_authority=R. M. Harper ex Small & Britton |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in J. K. Small, Fl. S.E. U.S., | |title=in J. K. Small, Fl. S.E. U.S., | ||
|place=188, 1327. 1903 | |place=188, 1327. 1903 | ||
|year=1903 | |year=1903 | ||
| + | }} | ||
| + | |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 | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|distribution=Del.;Ga.;Md.;N.C.;S.C.;Tenn.;Va. | |distribution=Del.;Ga.;Md.;N.C.;S.C.;Tenn.;Va. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>The nearest relative of this ephemeral is Fimbristylis dipsacea, a similarly diminutive Eurasian and South American annual with broader, more spreadingcusped spikelets and oddly compound-papillate fruit.</p> | + | --><p>The nearest relative of this ephemeral is <i>Fimbristylis</i> dipsacea, a similarly diminutive Eurasian and South American annual with broader, more spreadingcusped spikelets and oddly compound-papillate fruit.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Fimbristylis perpusilla | name=Fimbristylis perpusilla | ||
| − | + | |authority=R. M. Harper ex Small & Britton | |
| − | |authority=R. M. Harper ex Small & Britton | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
| Line 47: | Line 56: | ||
|publication title=in J. K. Small, Fl. S.E. U.S., | |publication title=in J. K. Small, Fl. S.E. U.S., | ||
|publication year=1903 | |publication year=1903 | ||
| − | |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_197.xml |
|genus=Fimbristylis | |genus=Fimbristylis | ||
|species=Fimbristylis perpusilla | |species=Fimbristylis perpusilla | ||
Latest revision as of 20:39, 5 November 2020
Plants annual, delicate, cespitose, slender, 2–15 cm; rhizomes absent. Leaves polystichous, spreading to ascending, mostly excurved, exceeding or exceeded by culms; sheaths entire, backs glabrous; ligule absent; blades setaceous-filiform, to 0.5 mm wide, flat to involute, sparsely scabrid-ciliate. Inflorescences: anthelae mostly simple, open, nearly as broad as long, ascending-branching, umbelliform, of 3–10 cormose spikelets; scapes filiform, 0.5–0.6 mm thick; proximalmost involucral bracts setaceous-bladed, exceeding anthela. Spikelets pale green to light brown, ovoid to globose or short-cylindric, 2–5 mm; fertile scales lance-linear to oblong-linear, 1.5 mm, glabrous, midrib strongly excurrent, erect to excurved cusp. Flowers: stamens 1; styles 2-fid, slender, glabrous. Achenes pale brown with iridescent tints, curved-cylindric, 0.4–0.6 mm, finely reticulate, in 12 vertical rows of narrowly rectangular, horizontal cells. 2n = 10.
Phenology: Fruiting summer–fall.
Habitat: Fluctuating sandy-silty shores of shallow ponds, pine savanna pools, reservoirs, ditches, and canals
Elevation: 0–100(–200) m
Distribution
Del., Ga., Md., N.C., S.C., Tenn., Va.
Discussion
Of conservation concern.
The nearest relative of this ephemeral is Fimbristylis dipsacea, a similarly diminutive Eurasian and South American annual with broader, more spreadingcusped spikelets and oddly compound-papillate fruit.
Selected References
None.