View source for Fallopia convolvulus

{{Treatment/ID
|accepted_name=Fallopia convolvulus
|accepted_authority=(Linnaeus) Á. Löve
|publications={{Treatment/Publication
|title=Taxon
|place=29: 300. 1970
|year=1970
}}
|common_names=Black bindweed
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms={{Treatment/ID/Basionym
|name=Polygonum convolvulus
|authority=Linnaeus
|rank=species
|publication_title=Sp. Pl.
|publication_place=1: 364. 1753
}}
|synonyms={{Treatment/ID/Synonym
|name=Bilderdykia convolvulus
|authority=(Linnaeus) Dumortier
|rank=species
}} {{Treatment/ID/Synonym
|name=Fallopia convolvulus var. subalata
|authority=(Lejeune & Courtois) D. H. Kent
|rank=variety
}} {{Treatment/ID/Synonym
|name=Reynoutria convolvulus
|authority=(Linnaeus) Webb & Moquin-Tandon ex Webb & Berthelot
|rank=species
}} {{Treatment/ID/Synonym
|name=Tiniaria convolvulus
|authority=
|rank=species
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Fallopia;Fallopia convolvulus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Polygonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Fallopia]]</div><div class="higher-taxon"><small>species</small>[[Fallopia convolvulus]]</div></div>
|volume=Volume 5
|mention_page=page 480, 542
|treatment_page=page 545
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, not rhizomatous, 0.5–1 m. <b>Stems</b> scandent or sprawling, branched proximally, herbaceous, puberulent, sometimes mealy, not glaucous. <b>Leaves</b>: ocrea persistent or deciduous, tan or greenish brown, cylindric, 2–4 mm, margins oblique, face not fringed with reflexed hairs and slender bristles at base, otherwise glabrous or scabrid; petiole 0.5–5 cm, puberulent in lines; blade cordate-ovate, cordate-hastate, or sagittate, 2–6(–15) × 2–5(–10) cm, base cordate, margins wavy, scabrid, apex acuminate, abaxial face usually mealy and, rarely, minutely dotted, not glaucous, adaxial face glabrous. <b>Inflorescences</b> axillary, erect or spreading, spikelike, 2–10(–15) cm, axes puberulent; peduncle 0.1–10 cm or absent, glabrous or scabrid distally in lines. <b>Pedicels</b> ascending or spreading, articulated distally, 1–3 mm, glabrous or, rarely, scabrid. <b>Flowers</b> bisexual, 3–6 per ocreate fascicle; perianth nonaccrescent, greenish white, often with pinkish or purplish base, 3–5 mm including stipelike base, glabrous or outer 3 with blunt, hyaline hairs; tepals elliptic to obovate, apex obtuse to acute, outer 3 obscurely keeled; stamens 8; filaments flattened proximally, glabrous; styles connate distally; stigmas capitate. <b>Achenes</b> included, black, 4–5(–6) × 1.8–2.3 mm, dull, minutely granular-tuberculate, especially on faces; fruiting perianth glabrous or with blunt, hyaline hairs, wings absent or, rarely, flat to undulate, 0.4–0.9 mm wide at maturity, scarcely decurrent on stipelike base, margins entire. <b>2n</b> = 40.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Oct.
|habitat=Cultivated ground, waste places
|elevation=0-2700 m
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Eurasia;introduced in South America (Argentina;Chile);Africa (Algeria;Morocco;Republic of South Africa);Pacific Islands (Hawaii;New Zealand);Australia.
|introduced=true
|discussion=<p><i>Fallopia convolvulus</i> can be an aggressive weed in crop fields. Rare plants with winged fruiting perianths have been named var. subalata; that characteristic often varies within populations.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Fallopia convolvulus
|authority=(Linnaeus) Á. Löve
|rank=species
|parent rank=genus
|synonyms=Bilderdykia convolvulus;Fallopia convolvulus var. subalata;Reynoutria convolvulus;Tiniaria convolvulus
|basionyms=Polygonum convolvulus
|family=Polygonaceae
|phenology=Flowering May–Oct.
|habitat=Cultivated ground, waste places
|elevation=0-2700 m
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Eurasia;introduced in South America (Argentina;Chile);Africa (Algeria;Morocco;Republic of South Africa);Pacific Islands (Hawaii;New Zealand);Australia.
|introduced=true
|reference=None
|publication title=Taxon
|publication year=1970
|special status=Weedy;Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V5/V5_1114.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Fallopia
|species=Fallopia convolvulus
}}<!--

-->[[Category:Treatment]][[Category:Fallopia]]