View source for Lepidium heterophyllum

{{Treatment/ID
|accepted_name=Lepidium heterophyllum
|accepted_authority=Bentham
|publications={{Treatment/Publication
|title=Cat. Pl. Pyrénées,
|place=95. 1826
|year=1826
}}
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Brassicaceae;Brassicaceae tribe Lepidieae;Lepidium;Lepidium heterophyllum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Lepidieae]]</div><div class="higher-taxon"><small>genus</small>[[Lepidium]]</div><div class="higher-taxon"><small>species</small>[[Lepidium heterophyllum]]</div></div>
|volume=Volume 7
|mention_page=page 571, 583
|treatment_page=page 582
}}<!--

--><span class="statement" id="st-undefined" data-properties="">Perennials; (caudex branched); hirsute. <b>Stems</b> branched from base, erect to ascending, often decumbent basally, unbranched or branched (few) distally, 1–5 dm. <b>Basal</b> leaves rosulate; petiole 1–6.2 cm; blade oblanceolate or oblong-elliptic, 1–4.5 cm × 4–14 mm, margins entire, repand, or denticulate. <b>Cauline</b> leaves sessile; blade oblong to deltate-lanceolate, 1–3.5 cm × 3–8 mm, base sagittate or auriculate, margins dentate to denticulate. <b>Racemes</b> much-elongated in fruit; rachis hirsute, trichomes spreading, straight. <b>Fruiting</b> pedicels horizontal, straight or slightly recurved, (terete), 2.8–5 × 0.3–0.4 mm, hirsute. <b>Flowers</b>: sepals oblong, 1.6–2.2 × 0.6–1.1 mm; petals white, spatulate, 1.8–2.8 × 0.8–1.4 mm, claw 1–2 mm; stamens 6; filaments 1.8–2.6 mm, (glabrous); anthers 0.4–0.5 mm. <b>Fruits</b> broadly oblong to ovate, 4–5.5 × 3.5–4 mm, (curved adaxially), apically broadly winged, apical notch 0.2–0.3 mm deep; valves thin, often not papillate, not veined; style (0.6–)1–1.5 mm, well-exserted beyond apical notch. <b>Seeds</b> (dark brown), ovoid, 1.8–2.2 × 1–1.2 mm. <b>2n</b> = 48.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun.
|habitat=Gravel mounds, roadsides, abandoned fields, waste grounds, disturbed sites, gardens, hillsides
|elevation=0-300 m
|distribution=B.C.;Nfld. and Labr. (Nfld.);Calif.;Colo.;Maine;Mass.;N.Y.;Oreg.;Pa.;Wash.;Europe.
|introduced=true
|discussion=<p>The records from Maine and Massachusetts are based on old collections, and it is not known if <i>Lepidium heterophyllum</i> has become established as part of the weedy flora of those states.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Lepidium heterophyllum
|authority=Bentham
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Brassicaceae
|phenology=Flowering May–Jun.
|habitat=Gravel mounds, roadsides, abandoned fields, waste grounds, disturbed sites, gardens, hillsides
|elevation=0-300 m
|distribution=B.C.;Nfld. and Labr. (Nfld.);Calif.;Colo.;Maine;Mass.;N.Y.;Oreg.;Pa.;Wash.;Europe.
|introduced=true
|reference=None
|publication title=Cat. Pl. Pyrénées,
|publication year=1826
|special status=Introduced;Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_940.xml
|tribe=Brassicaceae tribe Lepidieae
|genus=Lepidium
|species=Lepidium heterophyllum
}}<!--

-->[[Category:Treatment]][[Category:Lepidium]]