View source for Spergula

{{Treatment/ID
|accepted_name=Spergula
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 440. 1753
|year=1753
}}, {{Treatment/Publication
|title=Gen. Pl.
|place=ed. 5, 199. 1754
|year=1754
}}
|common_names=Spurrey;spargoute
|basionyms=
|synonyms=
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Polycarpoideae;Spergula
|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>[[Spergula]]</div></div>
|etymology=Latin spargo, scatter or sow, alluding to discharge of seeds
|volume=Volume 5
|mention_page=page 4, 6, 9
|treatment_page=page 14
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual or winter annual. <b>Taproots</b> slender to ± stout, especially proximally. <b>Stems</b> spreading or ascending to erect, simple or branched, terete to somewhat angular. <b>Leaves</b> opposite but appearing whorled, as 8–15 per axillary cluster, 2 clusters per node, connate proximally by often-prominent ridge from which stipules arise, sessile; stipules 4 per node, white, ovate to triangular, margins entire but splitting variously with age, apex obtuse to acuminate; blade 1-veined, linear or filiform, sometimes succulent, apex blunt to apiculate. <b>Inflorescences</b> terminal, open to diffuse cymes; bracts paired, minute. <b>Pedicels</b> erect to ascending, spreading or usually reflexed and sometimes secund in fruit. <b>Flowers</b> usually bisexual, sometimes pistillate by stamen abortion; perianth and androecium briefly perigynous; hypanthium dish- or cup-shaped, not abruptly expanded distally; sepals distinct, silvery, elliptic to nearly ovate, 2.5–5 mm, herbaceous, margins scarious, apex acute to obtuse; petals 5, white, blade apex entire; nectaries at adaxial base of broader filaments opposite sepals; stamens 5 and opposite sepals, or 10 and arising from distally tapered rim of hypanthium; filaments distinct; styles 5, distinct, filiform, 0.4–0.6 mm, glabrous proximally; stigmas 5, linear along adaxial surface of styles, obscurely papillate (30×). <b>Capsules</b> ovoid, opening by 5 spreading to somewhat recurved valves; carpophore absent. <b>Seeds</b> 5–25, blackish, circular, subglobose or lenticular and laterally compressed, nearly smooth or finely papillate, membranous, entire marginal wing often present, appendage absent; embryo peripheral, annular to spirally curved. <b>x</b> = 9.</span><!--

-->{{Treatment/Body
|distribution=Eurasia (esp. Mediterranean region;Europe).
|discussion=<p>Species 5 (3 in the flora).</p><!--
--><p><i>Spergula arvensis</i> is the only species of the genus that has been introduced extensively outside of Eurasia.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaf blades usually appearing terete, 1.5-3(-5) cm, margins often revolute, forming abaxial channel; seeds subglobose, sometimes with keel or wing ± 0.1 mm wide
|[[Spergula arvensis|Spergula arvensis]]
|-id=key-0-1
|1
|Leaf blades usually flat, 0.3-1.5(-2) cm, usually not channeled abaxially; seeds lenticular, laterally compressed, wings 0.2-0.6 mm wide
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Seed wings light brown to brownish black, 0.2-0.3 mm wide; stamens usually 10
|[[Spergula morisonii|Spergula morisonii]]
|-id=key-0-2
|2
|Seed wings white or sometimes slightly tannish, 0.4-0.6 mm wide; stamens usually 5
|[[Spergula pentandra|Spergula pentandra]]
|}
</div></div><!--

-->{{#Taxon:
name=Spergula
|author=Ronald L. Hartman;Richard K. Rabeler
|authority=Linnaeus
|rank=genus
|parent rank=subfamily
|synonyms=
|basionyms=
|family=Caryophyllaceae
|illustrator=Barbara Alongi
|illustration copyright=Flora of North America Association
|distribution=Eurasia (esp. Mediterranean region;Europe).
|introduced=true
|reference=None
|publication title=Sp. Pl.;Gen. Pl.
|publication year=1753;1754
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_16.xml
|subfamily=Caryophyllaceae subfam. Polycarpoideae
|genus=Spergula
}}<!--

-->[[Category:Treatment]][[Category:Caryophyllaceae subfam. Polycarpoideae]]