View source for Arenaria ludens

{{Treatment/ID
|accepted_name=Arenaria ludens
|accepted_authority=Shinners
|publications={{Treatment/Publication
|title=Sida
|place=1: 51. 1962
|year=1962
}}
|common_names=Trans-Pecos sandwort
|basionyms=
|synonyms=
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Arenaria;Arenaria ludens
|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>[[Arenaria]]</div><div class="higher-taxon"><small>species</small>[[Arenaria ludens]]</div></div>
|volume=Volume 5
|mention_page=page 51
|treatment_page=page 54
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual. <b>Taproots</b> filiform. <b>Stems</b> 1–18+, erect to ascending, green or reddish, 15–30(–45) cm; internodes ± terete, 1–10 times as long as leaves, dull, retrorsely pubescent in 2 lines. <b>Leaves</b> usually connate basally, with narrow, scarious sheath 0.2–0.5 mm, petiolate (proximal leaves) or sessile; petiole 2–4 mm; blade 1-veined, vein prominent abaxially, usually narrowly lanceolate, elliptic, or oblanceolate, 10–17 × 2–4 mm, herbaceous, margins ± flat, herbaceous, dull, ciliate in proximal 1/2, apex acute to acuminate, not pustulate, glabrous; axillary leaf clusters absent. <b>Inflorescences</b> terminal, open, minutely bracteate, 3–45+-flowered cymes. <b>Pedicels</b> erect or ascending in fruit, 3–20 mm, retrorsely pubescent in 2 lines. <b>Flowers</b>: sepals green or often purple, 1-veined, strongly keeled proximally, ovate-lanceolate to narrowly lanceolate (herbaceous portion pale, narrowly lanceolate to linear), 3–4 mm, not enlarging in fruit, apex acuminate, not pustulate, glabrous; petals oblong to broadly elliptic, 2.8–4 mm, 1–11/3 times as long as sepals, apex rounded. <b>Capsules</b> loosely enclosed by calyx, ovoid, 3–3.5 mm, 4/5–1 times as long as sepals. <b>Seeds</b> 7–15, dark brown to black, suborbicular, slightly compressed, 0.6–0.7 mm, shiny, obscurely tuberculate (20×).</span><!--

-->{{Treatment/Body
|phenology=Flowering late summer–early autumn.
|habitat=Igneous soil on cliffs and ledges
|elevation=1000-2000 m
|distribution=Tex.;n Mexico (Coahuila).
|discussion=<p><i>Arenaria ludens</i> may be more closely related to <i>A. lanuginosa</i> than to <i>A. benthamii</i>, the taxon with which it is often confused, if seed morphology is any indication.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Arenaria ludens
|authority=Shinners
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Caryophyllaceae
|phenology=Flowering late summer–early autumn.
|habitat=Igneous soil on cliffs and ledges
|elevation=1000-2000 m
|distribution=Tex.;n Mexico (Coahuila).
|reference=None
|publication title=Sida
|publication year=1962
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_108.xml
|subfamily=Caryophyllaceae subfam. Alsinoideae
|genus=Arenaria
|species=Arenaria ludens
}}<!--

-->[[Category:Treatment]][[Category:Arenaria]]