Difference between revisions of "Persicaria nepalensis"
Bot. Jahrb. Syst. 49: 277. 1913.
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|name=Polygonum nepalense | |name=Polygonum nepalense | ||
|authority=Meisner | |authority=Meisner | ||
| + | |rank=species | ||
|publication_title=Monogr. Polyg., | |publication_title=Monogr. Polyg., | ||
|publication_place=84, plate 7, fig. 2. 1826 | |publication_place=84, plate 7, fig. 2. 1826 | ||
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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 year=1913 | |publication year=1913 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_1186.xml |
|subfamily=Polygonaceae subfam. Polygonoideae | |subfamily=Polygonaceae subfam. Polygonoideae | ||
|genus=Persicaria | |genus=Persicaria | ||
Revision as of 21:50, 16 December 2019
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
B.C., Conn., Fla., Mass., N.Y., Pa., Asia, introduced also in Europe, Africa.
Discussion
Selected References
None.