Difference between revisions of "Persicaria nepalensis"
Bot. Jahrb. Syst. 49: 277. 1913.
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| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=I | ||
| + | |label=Introduced | ||
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| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Polygonum nepalense | |name=Polygonum nepalense | ||
|authority=Meisner | |authority=Meisner | ||
| + | |rank=species | ||
| + | |publication_title=Monogr. Polyg., | ||
| + | |publication_place=84, plate 7, fig. 2. 1826 | ||
}} | }} | ||
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|elevation=0-900 m | |elevation=0-900 m | ||
|distribution=B.C.;Conn.;Fla.;Mass.;N.Y.;Pa.;Asia;introduced also in Europe;Africa. | |distribution=B.C.;Conn.;Fla.;Mass.;N.Y.;Pa.;Asia;introduced also in Europe;Africa. | ||
| + | |introduced=true | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Persicaria nepalensis | name=Persicaria nepalensis | ||
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|authority=(Meisner) H. Gross | |authority=(Meisner) H. Gross | ||
|rank=species | |rank=species | ||
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|publication title=Bot. Jahrb. Syst. | |publication title=Bot. Jahrb. Syst. | ||
|publication year=1913 | |publication year=1913 | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_1186.xml |
|subfamily=Polygonaceae subfam. Polygonoideae | |subfamily=Polygonaceae subfam. Polygonoideae | ||
|genus=Persicaria | |genus=Persicaria | ||
Latest revision as of 23:08, 5 November 2020
Plants annual, 3–5 dm; roots also often arising from proximal nodes. Stems decumbent to ascending, glabrous except for fleshy, retrorse, whitish hairs at nodes. Leaves: ocrea brownish or hyaline, cylindric to funnelform, 4–10 mm, chartaceous, base inflated or not, margins oblique, eciliate, surface glabrous or with bristlelike hairs proximally; petiole 0.1–3 cm, winged to base, leaves sometimes sessile; blade ovate-deltate, 1.5–5 × 1–4 cm, base rounded to truncate, margins glabrous or scabrous, apex acute, faces pilose and glandular-punctate abaxially, glabrous adaxially. Inflorescences terminal and axillary, 5–10 × 5–10 mm; peduncle 2–20 mm, apex stipitate-glandular; ocreolae overlapping, margins eciliate. Pedicels mostly ascending, 0.1–1 mm, flowers sometimes sessile. Flowers 1–2 per ocreate fascicle; perianth white to pink or lavender, urceolate, glabrous, scarcely accrescent; tepals 4(–5), oblong to broadly elliptic, 2.5–3 mm, apex acute to obtuse; stamens (5–)8, filaments distinct, free; anthers purplish black, elliptic; styles 2, connate proximally. Achenes included, dark brown to black, biconvex, 1.5–2 × 1–1.5 mm, dull, minutely punctate.
Phenology: Flowering Jul–Oct.
Habitat: Disturbed sites, gravel bars in lowland zone
Elevation: 0-900 m
Distribution
Introduced; B.C., Conn., Fla., Mass., N.Y., Pa., Asia, introduced also in Europe, Africa.
Discussion
Selected References
None.