View source for Fimbristylis perpusilla

{{Treatment/ID
|accepted_name=Fimbristylis perpusilla
|accepted_authority=R. M. Harper ex Small & Britton in J. K. Small
|publications={{Treatment/Publication
|title=in J. K. Small, Fl. S.E. U.S.,
|place=188, 1327. 1903
|year=1903
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Fimbristylis;Fimbristylis perpusilla
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Fimbristylis]]</div><div class="higher-taxon"><small>species</small>[[Fimbristylis perpusilla]]</div></div>
|volume=Volume 23
|mention_page=page 122, 127
|treatment_page=page 128
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual, delicate, cespitose, slender, 2–15 cm; rhizomes absent. <b>Leaves</b> 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. <b>Inflorescences</b>: 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. <b>Spikelets</b> 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. <b>Flowers</b>: stamens 1; styles 2-fid, slender, glabrous. <b>Achenes</b> pale brown with iridescent tints, curved-cylindric, 0.4–0.6 mm, finely reticulate, in 12 vertical rows of narrowly rectangular, horizontal cells. <b>2n</b> = 10.</span><!--

-->{{Treatment/Body
|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=<p>Of conservation concern.</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=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Fimbristylis perpusilla
|author=
|authority=R. M. Harper ex Small & Britton in J. K. Small
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Cyperaceae
|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.
|reference=None
|publication title=in J. K. Small, Fl. S.E. U.S.,
|publication year=1903
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_197.xml
|genus=Fimbristylis
|species=Fimbristylis perpusilla
}}<!--

-->[[Category:Treatment]][[Category:Fimbristylis]]