familyPolygonaceae
subfamilyPolygonaceae subfam. Polygonoideae
genusPolygonum
sectionPolygonum sect. Polygonum
speciesPolygonum fowleri
subspeciesPolygonum fowleri subsp. fowleri
Difference between revisions of "Polygonum fowleri subsp. fowleri"
Common names: Fowler’s knotweed renouée de Fowler
IllustratedEndemic
Synonyms: Polygonum allocarpum S. F. Blake
Treatment appears in FNA Volume 5. Treatment on page 555.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V5/V5_1131.xml |
|subfamily=Polygonaceae subfam. Polygonoideae | |subfamily=Polygonaceae subfam. Polygonoideae | ||
|genus=Polygonum | |genus=Polygonum | ||
Revision as of 23:29, 27 May 2020
Plants rarely purple tinged, homophyllous or heterophyllous, subsucculent. Stems prostrate to ascending, 15–50 cm. Leaves: ocrea 4–12 mm; petiole 5–7 mm; blade green, rarely purple tinged, elliptic to elliptic-obovate, 20–35(–50) × 10–15(–25) mm, apex acute or obtuse; middle stem leaves 1.1–2.1(–3.4) times as long as adjacent branch leaves. Cymes 1–5-flowered. Pedicels 1–2.5 mm. Perianths 3–4.5 mm. Achenes broadly ovate, 3-gonous, (2.5–)3–3.7(–4.5) mm, faces subequal, concave, roughened, rarely obscurely tubercled. 2n = 40, 60.
Phenology: Flowering Jul–Oct.
Habitat: Sandy, gravelly seashores
Elevation: 0-30 m
Distribution
St. Pierre and Miquelon, B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Yukon, Alaska, Calif., Maine, Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.