View source for Buddleja davidii

{{Treatment/ID
|accepted_name=Buddleja davidii
|accepted_authority=Franchet
|publications={{Treatment/Publication
|title=Nouv. Arch. Mus. Hist. Nat., sér.
|place=2, 10: 65. 1887–1888
|year=1888
}}
|common_names=Summer-lilac
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Scrophulariaceae;Buddleja;Buddleja davidii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Scrophulariaceae]]</div><div class="higher-taxon"><small>genus</small>[[Buddleja]]</div><div class="higher-taxon"><small>species</small>[[Buddleja davidii]]</div></div>
|volume=Volume 17
|mention_page=page 327, 329
|treatment_page=page 328
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> 5–30 dm. <b>Stems</b> branched, tomentose. <b>Leaves</b> often with auriculate stipules; petiole 5 mm; blade ovate to ovate-lanceolate, 10–15 × 2–4 cm, base attenuate or cuneate, margins serrate or subentire, apex acute or acuminate, abaxial surface tomentose, adaxial glabrous or glabrescent. <b>Inflorescences</b> terminal, tapered-spicate or narrowly paniculate thyrses, 10–20 × 2–4 cm, cymes almost encircling inflorescence axis, 10–25 pairs, 3–30-flowered. <b>Pedicels</b> essentially absent; bracteoles present. <b>Flowers</b> fragrant; calyx sparsely hairy externally, tube 1.5–2 mm, lobes 0.5–1.5 mm; corolla straight, violet or pink, rarely white, often with yellow-orange eye, salverform, tube 8–10 mm, lobes suborbiculate, 2–3 × 2–3 mm; stamens inserted medially in corolla tube, included in tube; ovary ovoid, 2 mm, glabrous or puberulent; stigma clavate, 1 mm. <b>Fruits</b> capsules, brown, narrowly ellipsoid, 5–9 × 1.5–2 mm, glabrous or puberulent, dehiscence primarily septicidal. <b>Seeds</b> threadlike, 3–4 × 0.5 mm, wings long. <b>2n</b> = 76.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Oct; fruiting Jul–Nov.
|habitat=Roadsides, railroad embankments, quarries, streambeds, landslide scars, sandy lakeshores, disturbed sites.
|elevation=0–1300 m.
|distribution=B.C.;Ont.;Ala.;Calif.;Conn.;Del.;D.C.;Ga.;Ill.;Ky.;Md.;Mass.;Mich.;Mo.;N.J.;N.Y.;N.C.;Ohio;Oreg.;Pa.;R.I.;S.C.;Tenn.;Va.;Wash.;W.Va.;Asia (China);introduced also in Central America;South America;Europe;Africa;Pacific Islands (Hawaii;New Caledonia;New Zealand);Australia.
|discussion=<p><i>Buddleja davidii</i> has been designated as a noxious weed in Oregon and Washington; it is a serious invader also in England, New Zealand, and Australia. It can often form dense thickets and produce abundant seeds (N. G. Tallent-Halsell and M. S. Watt 2009).</p>
|tables=
|references={{Treatment/Reference
|id=tallent-halsell2009a
|text=Tallent-Halsell, N. G. and M. S. Watt. 2009. The invasive Buddleja davidii (butterfly bush). Bot. Rev. (Lancaster) 75: 292–325.
}}
}}<!--

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-->{{#Taxon:
name=Buddleja davidii
|author=
|authority=Franchet
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Scrophulariaceae
|phenology=Flowering May–Oct; fruiting Jul–Nov.
|habitat=Roadsides, railroad embankments, quarries, streambeds, landslide scars, sandy lakeshores, disturbed sites.
|elevation=0–1300 m.
|distribution=B.C.;Ont.;Ala.;Calif.;Conn.;Del.;D.C.;Ga.;Ill.;Ky.;Md.;Mass.;Mich.;Mo.;N.J.;N.Y.;N.C.;Ohio;Oreg.;Pa.;R.I.;S.C.;Tenn.;Va.;Wash.;W.Va.;Asia (China);introduced also in Central America;South America;Europe;Africa;Pacific Islands (Hawaii;New Caledonia;New Zealand);Australia.
|introduced=true
|reference=tallent-halsell2009a
|publication title=Nouv. Arch. Mus. Hist. Nat., sér.
|publication year=1888
|special status=Weedy;Introduced
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V17/V17_8.xml
|genus=Buddleja
|species=Buddleja davidii
}}<!--

-->[[Category:Treatment]][[Category:Buddleja]]