Difference between revisions of "Lepidium pinnatifidum"
Fl. Ross. 1: 206. 1841.
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| + | |code=I | ||
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|elevation=0-600 m | |elevation=0-600 m | ||
|distribution=Calif.;e Europe;w Asia. | |distribution=Calif.;e Europe;w Asia. | ||
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|discussion=<p><i>Lepidium pinnatifidum</i> apparently has not become a serious weed of the Californian flora.</p> | |discussion=<p><i>Lepidium pinnatifidum</i> apparently has not become a serious weed of the Californian flora.</p> | ||
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|publication title=Fl. Ross. | |publication title=Fl. Ross. | ||
|publication year=1841 | |publication year=1841 | ||
| − | |special status= | + | |special status=Introduced;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_958.xml |
|tribe=Brassicaceae tribe Lepidieae | |tribe=Brassicaceae tribe Lepidieae | ||
|genus=Lepidium | |genus=Lepidium | ||
Latest revision as of 23:37, 5 November 2020
Annuals; puberulent. Stems simple from base, erect, (paniculately) branched beyond base or distally, 2–6 dm. Basal leaves (soon withered, often before anthesis); not rosulate; blade dentate to pinnatifid. Cauline leaves shortly petiolate to subsessile; blade narrowly oblanceolate to linear, 1–3.3 cm × 1–4 mm, base attenuate, not auriculate, margins entire. Racemes (often paniculate), considerably elongated in fruit; rachis glabrous or puberulent, trichomes straight, cylindrical. Fruiting pedicels divaricate-ascending to horizontal, straight, (terete), 2–3.5 × 0.1–0.15 mm, puberulent adaxially. Flowers: sepals oblong, 0.7–0.8 × 0.3–0.4 mm; petals (rudimentary), white, linear, 0.4–0.6 × 0.05–0.1 mm, claw absent; stamens 4, median and lateral; filaments 0.6–0.8 mm; anthers ca. 0.2 mm. Fruits orbicular to broadly elliptic, 1.8–2 × 1.7–1.8 mm, apically not winged, apical notch 0.05–0.1 mm deep; valves thin, smooth, not veined, sparsely pilose; style ca. 0.1 mm, equaling apical notch. Seeds oblong, 1–1.2 × 0.7–0.8 mm.
Phenology: Flowering May–Jun.
Habitat: Waste places, disturbed sites
Elevation: 0-600 m
Distribution
Introduced; Calif., e Europe, w Asia.
Discussion
Lepidium pinnatifidum apparently has not become a serious weed of the Californian flora.
Selected References
None.