View source for Linum medium

{{Treatment/ID
|accepted_name=Linum medium
|accepted_authority=(Planchon) Britton in N. L. Britton and A. Brown
|publications={{Treatment/Publication
|title=Ill. Fl. N. U.S.
|place=2: 349. 1897
|year=1897
}}
|common_names=Stiff yellow flax
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms={{Treatment/ID/Basionym
|name=Linum virginianum var. medium
|authority=Planchon
|rank=variety
|publication_title=London J. Bot.
|publication_place=7: 480. 1848
}}
|synonyms={{Treatment/ID/Synonym
|name=Cathartolinum medium
|authority=(Planchon) Small
|rank=species
}}
|hierarchy=Linaceae;Linum;Linum sect. Linopsis;Linum medium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Linaceae]]</div><div class="higher-taxon"><small>genus</small>[[Linum]]</div><div class="higher-taxon"><small>section</small>[[Linum sect. Linopsis]]</div><div class="higher-taxon"><small>species</small>[[Linum medium]]</div></div>
|volume=Volume 12
|mention_page=page 378
|treatment_page=page 384
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> usually perennial, rarely annual, 10–80 cm, glabrous. <b>Stems</b> erect, usually multiple from base, unbranched proximal to inflorescence. <b>Leaves</b>: proximal 3–20 pairs opposite, distal alternate, rarely (in northern plants) opposite nearly to inflorescence, erect to appressed; stipular glands absent; blade narrowly lanceolate to oblanceolate, 10–25 × 1.5–5.5 mm, margins entire, not ciliate, apex obtuse or apiculate. <b>Inflorescences</b> corymbs. <b>Pedicels</b> 0–5 mm. <b>Flowers</b>: sepals persistent, lanceolate, inner somewhat shorter, broader than outer, outer sepals 2–5 mm, margins not scarious, inner usually glandular-toothed, rarely entire, outer entire, apex acute; petals lemon yellow, obovate, 4.5–8 mm; stamens 2.5 mm; anthers 0.5–l.3 mm; staminodia absent; styles distinct, 1–3 mm; stigmas capitate. <b>Capsules</b> depressed-globose, 1.6–2.3 × 2–2.5 mm, apex depressed, tardily (or readily in <i></i>var.<i> medium</i>) dehiscing into 10, 1-seeded segments, segments usually persistent on plant, false septa nearly complete, proximal margins not ciliate. <b>Seeds</b> 1.3–1.7 × 0.6–0.8 mm.</span><!--

-->{{Treatment/Body
|distribution=c;e North America;West Indies (Bahamas).
|discussion=<p>Varieties 2 (2 in the flora).</p><!--
--><p>The corollas of <i>Linum medium</i> are broadly funnelform to nearly rotate, with all flower parts yellow except the brownish anthers.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaves opaque, apex obtuse; inner sepals usually sparsely glandular-toothed, sometimes entire.
|[[Linum medium var. medium|Linum medium var. medium]]
|-id=key-0-1
|1
|Leaves ± translucent, apex minutely apiculate; inner sepals conspicuously glandular-toothed.
|[[Linum medium var. texanum|Linum medium var. texanum]]
|}
</div></div><!--

-->{{#Taxon:
name=Linum medium
|authority=(Planchon) Britton in N. L. Britton and A. Brown
|rank=species
|parent rank=section
|synonyms=Cathartolinum medium
|basionyms=Linum virginianum var. medium
|family=Linaceae
|distribution=c;e North America;West Indies (Bahamas).
|reference=None
|publication title=Ill. Fl. N. U.S.
|publication year=1897
|special status=Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V12/V12_811.xml
|genus=Linum
|section=Linum sect. Linopsis
|species=Linum medium
}}<!--

-->[[Category:Treatment]][[Category:Linum sect. Linopsis]]