Difference between revisions of "Lepidium appelianum"
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Hymenophysa pubescens | |name=Hymenophysa pubescens | ||
|authority=C. A. Meyer | |authority=C. A. Meyer | ||
| + | |rank=species | ||
| + | |publication_title=in C. F. Ledebour, Icon. Pl. | ||
| + | |publication_place=2: 20. 1830, | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Cardaria pubescens | |name=Cardaria pubescens | ||
|authority=(C. A. Meyer) Jarmolenko | |authority=(C. A. Meyer) Jarmolenko | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Cardaria pubescens var. elongata | |name=Cardaria pubescens var. elongata | ||
|authority=Rollins | |authority=Rollins | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Brassicaceae;Brassicaceae tribe Lepidieae;Lepidium;Lepidium appelianum | |hierarchy=Brassicaceae;Brassicaceae tribe Lepidieae;Lepidium;Lepidium appelianum | ||
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|elevation=400-2400 m | |elevation=400-2400 m | ||
|distribution=Alta.;B.C.;Man.;Sask.;Calif.;Colo.;Idaho;Mich.;Mo.;Mont.;Nebr.;Nev.;N.Mex.;N.Dak.;Oreg.;Pa.;Utah;Wash.;Wis.;Wyo.;c Asia;introduced also in South America;other parts of Asia. | |distribution=Alta.;B.C.;Man.;Sask.;Calif.;Colo.;Idaho;Mich.;Mo.;Mont.;Nebr.;Nev.;N.Mex.;N.Dak.;Oreg.;Pa.;Utah;Wash.;Wis.;Wyo.;c Asia;introduced also in South America;other parts of Asia. | ||
| − | |discussion=<p>Lepidium appelianum has become a noxious weed in most of its range in North America.</p> | + | |introduced=true |
| + | |discussion=<p><i>Lepidium appelianum</i> has become a noxious weed in most of its range in North America.</p> | ||
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Lepidium appelianum | name=Lepidium appelianum | ||
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|authority=Al-Shehbaz | |authority=Al-Shehbaz | ||
|rank=species | |rank=species | ||
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|publication year=2002 | |publication year=2002 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_925.xml |
|tribe=Brassicaceae tribe Lepidieae | |tribe=Brassicaceae tribe Lepidieae | ||
|genus=Lepidium | |genus=Lepidium | ||
Latest revision as of 22:37, 5 November 2020
Perennials; (rhizomatous); often densely hirsute. Stems simple or several from base, erect or ascending, branched distally, (1–)1.5–3.5(–5) dm. Basal leaves (often withered by anthesis); not rosulate; petiole 0.5–1.5 cm; blade obovate to oblanceolate, (1–)2–6(–7) cm × 3–20 mm, margins dentate to sinuate. Cauline leaves sessile; blade oblong or lanceolate, 1–5(–8) cm × (3–)5–15(–30) mm, base sagittate, margins dentate or subentire, (surfaces pubescent). Racemes (usually corymbose, rarely paniculate), rarely elongated in fruit; rachis pubescent, trichomes often curved. Fruiting pedicels divaricate to ascending, straight or slightly curved, (terete), 3–9(–12) × 0.2–0.3 mm, pubescent. Flowers: sepals oblong, 1.4–2 × 0.7–1 mm; petals white, broadly obovate, (2.2–)2.8–4 × 1–3 mm, claw 1–1.4 mm; stamens 6; filaments 2–2.5 mm, (glabrous); anthers 0.4–0.5 mm. Fruits (indehiscent), globose or, rarely, subglobose, (2–)3–4.4(–5) mm diam., (inflated), apically not winged, apical notch absent; valves thin, smooth, not veined, densely puberulent; style 0.5–1.5 mm. Seeds (brown or dark brown), ovoid, 1.5–2 × 1–1.5 mm. 2n = 16.
Phenology: Flowering May–Sep.
Habitat: Roadsides, sagebrush communities, alkaline meadows, waste grounds, ditch and stream sides, fields, pastures
Elevation: 400-2400 m
Distribution
Introduced; Alta., B.C., Man., Sask., Calif., Colo., Idaho, Mich., Mo., Mont., Nebr., Nev., N.Mex., N.Dak., Oreg., Pa., Utah, Wash., Wis., Wyo., c Asia, introduced also in South America, other parts of Asia.
Discussion
Lepidium appelianum has become a noxious weed in most of its range in North America.
Selected References
None.