View source for Linum rupestre

{{Treatment/ID
|accepted_name=Linum rupestre
|accepted_authority=Engelmann ex A. Gray
|publications={{Treatment/Publication
|title=Boston J. Nat. Hist.
|place=6: 232. 1850
|year=1850
}}
|common_names=Rock flax
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Linaceae;Linum;Linum sect. Linopsis;Linum rupestre
|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 rupestre]]</div></div>
|volume=Volume 12
|mention_page=page 378, 380
|treatment_page=page 381
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, 20–75 cm, glabrous or rarely sparsely hairy proximally. <b>Stems</b> erect, branched at base and in inflorescence. <b>Leaves</b> opposite near base or alternate throughout, appressed-ascending; stipular glands present; blade linear to linear-lanceolate, 8–20 × 0.5–2.1 mm, margins entire or with scattered minute marginal glands, not ciliate, apex acute; 1-nerved. <b>Inflorescences</b> panicles, with ascending to spreading branches. <b>Pedicels</b> 0–3 mm. <b>Flowers</b>: sepals persistent, lanceolate to ovate, 2.5–5 mm, margins of inner sepals narrowly scarious, conspicuously glandular-toothed, apex acute or acuminate; petals lemon yellow, oblanceolate or narrowly obcordate, 7–11 mm; stamens 2–8 mm; anthers 0.5–1 mm; staminodia present; styles distinct, 3–6.5 mm; stigmas capitate. <b>Capsules</b> ovoid, 2–3 × 2–2.5 mm, apex sharp-pointed, dehiscing readily into 10, 1-seeded segments, segments falling freely, false septa incomplete, false and true septa margins ciliate. <b>Seeds</b> 1.2–1.9 × 0.7–1.1 mm. <b>2n</b> = 36.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Aug.
|habitat=Sandy soils, rocky slopes and ledges, often on limestone.
|elevation=150–1500 m.
|distribution=N.Mex.;Tex.;Mexico (Chihuahua;Coahuila;Durango;Nuevo León);Central America (Guatemala).
|discussion=<p><i>Linum rupestre</i> has narrowly funnelform corollas and yellow stamens and styles. The anthers and stigmas are held closely adjacent at the mouth of the corolla tube, below the broad, spreading limbs. The species occurs from southeastern New Mexico and central Texas to Guatemala. It often grows with <i>L. schiedeanum</i> in Texas and Mexico.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Linum rupestre
|authority=Engelmann ex A. Gray
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Linaceae
|phenology=Flowering Apr–Aug.
|habitat=Sandy soils, rocky slopes and ledges, often on limestone.
|elevation=150–1500 m.
|distribution=N.Mex.;Tex.;Mexico (Chihuahua;Coahuila;Durango;Nuevo León);Central America (Guatemala).
|reference=None
|publication title=Boston J. Nat. Hist.
|publication year=1850
|special status=Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V12/V12_646.xml
|genus=Linum
|section=Linum sect. Linopsis
|species=Linum rupestre
}}<!--

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