Difference between revisions of "Polygonum plebeium"
Prodr., 420. 1810.
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|elevation=50-500 m | |elevation=50-500 m | ||
|distribution=Idaho;e Africa;s Asia;Australia. | |distribution=Idaho;e Africa;s Asia;Australia. | ||
| + | |introduced=true | ||
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1810 | |publication year=1810 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V5/V5_1135.xml |
|subfamily=Polygonaceae subfam. Polygonoideae | |subfamily=Polygonaceae subfam. Polygonoideae | ||
|genus=Polygonum | |genus=Polygonum | ||
Revision as of 23:29, 27 May 2020
Plants bluish green, homophyllous. Stems prostrate, much-branched from base, not wiry, 10–40 cm, papillose-scabridulous. Leaves: ocrea 1-veined, 2.5–3 mm, proximal part cylindric, distal part laciniate; petiole 0–1 mm; blade bluish green, narrowly elliptic or oblanceolate, 5–16 × 1–4 mm, margins flat, apex obtuse or acute, papillose-scabridulous; stem leaves 1–1.5(–2) times longer than adjacent branch leaves, distal leaves overtopping flowers. Inflorescences axillary; cymes uniformly distributed, 3–6-flowered. Pedicels exserted from ocreae, 3–5 mm. Flowers closed; perianth 1–1.5 mm; tube 12–27% of perianth length; tepals overlapping, green with white or pink margins, petaloid, not keeled, elliptic, cucullate; midveins unbranched, thickened; stamens 5. Achenes enclosed in perianth, black-brown, broadly ovate, 2–3-gonous, 1.5–2 mm, faces subequal, apex not beaked, edges concave, shiny, smooth; late-season achenes common, 2–4 mm. 2n = 20.
Phenology: Flowering May–Oct.
Habitat: Disturbed sites
Elevation: 50-500 m
Distribution
Introduced; Idaho, e Africa, s Asia, Australia.
Discussion
Selected References
None.