View source for Portulaca pilosa

{{Treatment/ID
|accepted_name=Portulaca pilosa
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 445. 1753
|year=1753
}}
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Portulaca mundula
|authority=I. M. Johnston
|rank=species
}}
|hierarchy=Portulacaceae;Portulaca;Portulaca pilosa
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Portulacaceae]]</div><div class="higher-taxon"><small>genus</small>[[Portulaca]]</div><div class="higher-taxon"><small>species</small>[[Portulaca pilosa]]</div></div>
|volume=Volume 4
|mention_page=page 496, 497, 498, 500, 501
|treatment_page=page 499
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual; roots fibrous to slightly fleshy. <b>Stems</b> prostrate, suberect to erect, succulent; trichomes conspicuous at nodes and in inflorescence; branches 3–25 cm. <b>Leaf</b> blades linear to oblong-lanceolate, terete to hemispheric, 5–20 × 1–3 mm, apex acute; involucrelike leaves 6–9. <b>Flowers</b> 5–12 mm diam.; petals dark pink to purple, obovate, 3–5(–7) × 1.5–3 mm; stamens 5–12(–37); stigmas 3–5(–6). <b>Capsules</b> ovoid, 1.5–4.3 mm diam. <b>Seeds</b> black or leaden, orbiculate (0.4–)0.5–0.6 mm diam.; surface cells loosely arranged, short-tuberculate and stellate to rounded-stellate; tubercles long or absent. <b>2n</b> = 8, 16.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring–early fall, year-round in s Fla.
|habitat=Dry soils, beaches, disturbed habitats, roadsides and railroads on limestone, granitic, and sandstone outcrops
|elevation=0-2000 m
|distribution=Ala.;Ariz.;Ark.;Fla.;Ga.;Kans.;La.;Miss.;Mo.;N.Mex.;N.C.;Okla.;S.C.;Tenn.;Tex.;Mexico;West Indies;Central America;South America.
|discussion=<p><i>Portulaca pilosa</i> is a highly variable species. It exhibits morphologic variability during development, with immature plants having wider (to 4 mm), longer, and flatter leaves than mature specimens. Mature leaves are narrower, shorter, and hemispheric or terete in cross section. The Linnaean drawing of the type specimen may be an immature plant. Morphologic variability also occurs in relation to habitat differences over the large geographic range of this species. Plants growing in dry habitats have the greatest density of hairs; plants growing in moist habitats are less pilose. Plants with very dense hairs on old growth will, under more moist conditions, produce new growth with fewer hairs. Growth habit is also affected by habitat. Plants growing in warm, moist environments tend to branch quickly into a spreading habit, with erect growth following secondarily. Plants in cool, dry habitats grow erect first, then branch more slowly; the plant then has a compact habit. Specimens from Alabama, Arizona, Florida, Louisiana, Mississippi, New Mexico, and Texas exhibit all morphologic conditions. Those from Arkansas, Kansas, Missouri, and Oklahoma usually occur in shallow, sandy soils, often on rocky outcrops, and are often highly branched, compact, short, and not very pilose.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Portulaca pilosa
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Portulaca mundula
|basionyms=
|family=Portulacaceae
|phenology=Flowering late spring–early fall, year-round in s Fla.
|habitat=Dry soils, beaches, disturbed habitats, roadsides and railroads on limestone, granitic, and sandstone outcrops
|elevation=0-2000 m
|distribution=Ala.;Ariz.;Ark.;Fla.;Ga.;Kans.;La.;Miss.;Mo.;N.Mex.;N.C.;Okla.;S.C.;Tenn.;Tex.;Mexico;West Indies;Central America;South America.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Weedy;Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_1016.xml
|genus=Portulaca
|species=Portulaca pilosa
}}<!--

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