View source for Sagina nodosa

{{Treatment/ID
|accepted_name=Sagina nodosa
|accepted_authority=(Linnaeus) Fenzl
|publications={{Treatment/Publication
|title=Vers. Darstell. Alsin.,
|place=18. 1833
|year=1833
}}
|common_names=Knotted pearlwort
|basionyms={{Treatment/ID/Basionym
|name=Spergula nodosa
|authority=Linnaeus
|rank=species
|publication_title=Sp. Pl.
|publication_place=1: 440. 1753
}}
|synonyms=
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Sagina;Sagina nodosa
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Caryophyllaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Caryophyllaceae subfam. Alsinoideae]]</div><div class="higher-taxon"><small>genus</small>[[Sagina]]</div><div class="higher-taxon"><small>species</small>[[Sagina nodosa]]</div></div>
|volume=Volume 5
|mention_page=page 141
|treatment_page=page 140
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, tufted, pubescent or glabrous. <b>Stems</b> ascending to loosely spreading or prostrate, simple or with few to many lateral branches bearing only tiny, succulent, subulate leaves, not filiform. <b>Leaves</b>: axillary fascicles of subulate, fleshy leaves among distal cauline leaves, giving knotted appearance; basal ascending, forming tuft, not in rosettes, blade linear, ca. 15–30 mm, herbaceous, apex apiculate to mucronate, glabrous or glandular; cauline conspicuously connate basally, cuplike, proximal with blade linear to subulate, apex apiculate to mucronate, glabrous or glandular-pubescent, axillary fascicles of leaves absent; distal with blade subulate, 1–1.5 mm, fleshy, apex mucronate, glabrous. <b>Pedicels</b> filiform, base glabrous or glandular-pubescent. <b>Flowers</b> terminal and axillary, 5-merous or 4- and 5-merous; calyx base glabrous or glandular-pubescent; sepals elliptic, 2–3 mm, hyaline margins rarely purplish, apex frequently purplish, obtuse to rounded, remaining appressed after capsule dehiscence; petals elliptic to orbiculate, 3–4.5 mm, ca. 2 times sepal length; stamens 8 or 10. <b>Capsules</b> 3–4 mm, longer than sepals, dehiscing to base. <b>Seeds</b> dark brown, ovoid to reniform, laterally compressed, 0.5 mm, smooth or distinctly pebbled, abaxial groove present or absent.</span><!--

-->{{Treatment/Body
|distribution=North America;Europe.
|discussion=<p>Subspecies 2 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Stems glandular-pubescent; pedicels distally glandular-pubescent; bases of calyces glandular-pubescent; basal leaf blades often glandular-pubescent (especially on margins and midrib) or glabrous
|[[Sagina nodosa subsp. nodosa|Sagina nodosa subsp. nodosa]]
|-id=key-0-1
|1
|Stems glabrous or occasionally weakly pubescent at nodes; pedicels distally glabrous or occasionally weakly glandular-pubescent; bases of calyces glabrous or weakly glandular-pubescent; basal leaf blades glabrous
|[[Sagina nodosa subsp. borealis|Sagina nodosa subsp. borealis]]
|}
</div></div><!--

-->{{#Taxon:
name=Sagina nodosa
|authority=(Linnaeus) Fenzl
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Spergula nodosa
|family=Caryophyllaceae
|distribution=North America;Europe.
|reference=None
|publication title=Vers. Darstell. Alsin.,
|publication year=1833
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_288.xml
|subfamily=Caryophyllaceae subfam. Alsinoideae
|genus=Sagina
|species=Sagina nodosa
}}<!--

-->[[Category:Treatment]][[Category:Sagina]]