View source for Spergularia echinosperma

{{Treatment/ID
|accepted_name=Spergularia echinosperma
|accepted_authority=Celakovský
|publications={{Treatment/Publication
|title=Arch. Naturwiss. Landesdurchf. Bohmen
|place=4: 867. 1881
|year=1881
}}
|common_names= Bristle-seed sand-spurrey  
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Polycarpoideae;Spergularia;Spergularia echinosperma
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Caryophyllaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Caryophyllaceae subfam. Polycarpoideae]]</div><div class="higher-taxon"><small>genus</small>[[Spergularia]]</div><div class="higher-taxon"><small>species</small>[[Spergularia echinosperma]]</div></div>
|volume=Volume 5
|mention_page=page 17, 19
|treatment_page=page 22
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual, delicate, 5–15 cm, stipitate-glandular throughout. <b>Taproots</b> slender. <b>Stems</b> erect to ascending, simple to diffusely branched proximally and distally; main stem occasionally prostrate, 0.2–1.5 mm diam. proximally. <b>Leaves</b>: stipules inconspicuous, silvery to dull tan, broadly triangular, 1.4–2.4 mm, shorter than wide, apex acuminate; blade linear, 0.5–3.5 cm, somewhat fleshy, apex blunt to apiculate; axillary leaf cluster usually absent. <b>Cymes</b> commonly 4–8+-compound. <b>Pedicels</b> reflexed and oriented to 1 side in fruit. <b>Flowers</b>: sepals connate 0.2–0.3 mm proximally, lobes 1–3-veined, lanceolate to ovate, 2.5–3.6 mm, to 4 mm in fruit, margins 0.1–0.5 mm wide, apex rounded; petals white to pink or rosy, lanceolate, 0.4–0.6 times as long as sepals; stamens 1–4(–5); styles 0.3–0.4 mm. <b>Capsules</b> greenish to tan, 2.8–4 mm, 0.9–1.4 times as long as sepals. <b>Seeds</b> reddish brown to blackish, silver tinged, with submarginal groove, pyriform, ± compressed, 0.5–0.7(–0.8) mm, shiny, slightly roughened, with dense, gland-tipped papillae and appearing echinate (30×); wing usually absent, whitish to reddish brown, 0.1–0.2 mm wide, margins irregular and not papillate. <b>2n</b> = 18, 36 (both Europe).</span><!--

-->{{Treatment/Body
|phenology=Flowering spring.
|habitat=Dunes, clay flats, sandy river banks
|elevation=0-20+ m
|distribution=Ala.;Ga.;La.;Tex.;Europe.
|introduced=true
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Spergularia echinosperma
|authority=Celakovský
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Caryophyllaceae
|phenology=Flowering spring.
|habitat=Dunes, clay flats, sandy river banks
|elevation=0-20+ m
|distribution=Ala.;Ga.;La.;Tex.;Europe.
|introduced=true
|reference=None
|publication title=Arch. Naturwiss. Landesdurchf. Bohmen
|publication year=1881
|special status=Introduced
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_35.xml
|subfamily=Caryophyllaceae subfam. Polycarpoideae
|genus=Spergularia
|species=Spergularia echinosperma
}}<!--

-->[[Category:Treatment]][[Category:Spergularia]]