View source for Epilobium leptophyllum

{{Treatment/ID
|accepted_name=Epilobium leptophyllum
|accepted_authority=Rafinesque
|publications={{Treatment/Publication
|title=Précis Découv. Somiol.,
|place=41. 1814
|year=1814
}}
|common_names=Bog willowherb;épilobe leptophylle
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Epilobium densum var. nesophilum
|authority=Fernald
|rank=variety
}} {{Treatment/ID/Synonym
|name=E. nesophilum
|authority=(Fernald) Fernald
|rank=species
}} {{Treatment/ID/Synonym
|name=E. oliganthum var. gracile
|authority=Farwell
|rank=variety
}} {{Treatment/ID/Synonym
|name=E. palustre var. gracile
|authority=(Farwell) Dorn
|rank=variety
}} {{Treatment/ID/Synonym
|name=E. squamatum
|authority=Nuttall
|rank=species
}} {{Treatment/ID/Synonym
|name=E. tenellum
|authority=Rafinesque
|rank=species
}}
|hierarchy=Onagraceae;Onagraceae subfam. Onagroideae;Epilobium;Epilobium sect. Epilobium;Epilobium leptophyllum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Onagraceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Onagraceae subfam. Onagroideae]]</div><div class="higher-taxon"><small>genus</small>[[Epilobium]]</div><div class="higher-taxon"><small>section</small>[[Epilobium sect. Epilobium]]</div><div class="higher-taxon"><small>species</small>[[Epilobium leptophyllum]]</div></div>
|volume=Volume 10
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs </b>with threadlike, nearly leafless epigeous stolons terminating in compact, fleshy turions 3–8 × 2–4 mm. <b>Stems</b> erect, simple to loosely clustered, terete, 15–95 cm, simple to well branched, densely strigillose, often mixed glandular puberulent on inflorescence, rarely with faint strigillose lines decurrent from margins of petioles. <b>Leaves</b> opposite proximally, usually alternate, rarely fasciculate distally, subsessile; blade linear to very narrowly elliptic or sublanceolate, 2–7.5 × 0.1–0.7 cm, usually longer than internodes, base rounded to subcuneate, margins subentire, 4–7 inconspicuous teeth per side, sometimes revolute, lateral veins inconspicuous, apex obtuse proximally to acute distally, both surfaces densely strigillose, increasing distally; bracts not much reduced. <b>Inflorescences</b> erect racemes, densely strigillose, often mixed sparsely glandular puberulent. <b>Flowers</b> erect; buds 3–5 × 1.5–2.5 mm; pedicel 5–12 mm; floral tube 0.8–1.5 × 1.2–1.8 mm, ring of spreading hairs at mouth inside; sepals 2.5–4.5 × 0.9–1.3 mm, abaxial surface strigillose; petals obcordate, white to light pink, 3.5–7 × 1.6–4 mm, apical notch 1–1.8 mm; filaments white or cream, those of longer stamens 0.8–3.5 mm, those of shorter ones 0.6–2.5 mm; anthers cream, 0.5–0.9 × 0.4–0.6 mm; ovary 12–18 mm, densely strigillose, sometimes mixed glandular puberulent; style cream, 2–3.8 mm, stigma narrowly clavate, entire, 1–1.8 × 0.5–1.2 mm, usually surrounded by, rarely exserted beyond, anthers. <b>Capsules</b> straight, narrowly cylindrical, 35–80 mm, surfaces densely strigillose; pedicel 10–35 mm. <b>Seeds</b> narrowly fusiform to narrowly obovoid, 1.5–2.2 ×0.5–0.7 mm, chalazal collar 0.1–0.2 mm, ± pronounced, surface papillose; coma persistent, dingy white, 6–8 mm. <b>2n</b> = 36.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Sep.
|habitat=Marshy ground, bogs, fens, low thickets, seepage areas, damp pastures.
|elevation=0–1000(–2900) m.
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Alaska;Calif.;Colo.;Conn.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.
|discussion=<p>The range of Epilobium leptophyllum overlaps with that of the related E. palustre, but the former is less common to the north and more common south into the midwestern United States, and absent only from most of the southern tier of states. It is also relatively uncommon in the western United States and Canada. Judging by the number of herbarium sheets that also include E. palustre, E. densum, and even E. coloratum, it sometimes occurs in sympatry with those species and may rarely hybridize with them, based on plants with intermediate morphology and/or sterile fruits.</p><!--
--><p>Fernald described Epilobium nesophilum from the Magdalen Islands (Quebec), and especially Newfoundland, first as a variety of E. densum (1918), then as a separate species (1925).</p><!--
--><p>Epilobium rosmarinifolium Pursh 1813, an illegitimate name (not Haenke 1788), pertains here.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Epilobium leptophyllum
|authority=Rafinesque
|rank=species
|parent rank=section
|synonyms=Epilobium densum var. nesophilum;E. nesophilum;E. oliganthum var. gracile;E. palustre var. gracile;E. squamatum;E. tenellum
|basionyms=
|family=Onagraceae
|phenology=Flowering Jun–Sep.
|habitat=Marshy ground, bogs, fens, low thickets, seepage areas, damp pastures.
|elevation=0–1000(–2900) m.
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Alaska;Calif.;Colo.;Conn.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.
|reference=None
|publication title=Précis Découv. Somiol.,
|publication year=1814
|special status=
|source xml=https://xjsachs2@bitbucket.org/aafc-mbb/fna-data-curation.git/src/1f4bf54ae2f7dbd5376c45b4fe1b388e15b53086/coarse_grained_fna_xml/V10/V10_310.xml
|subfamily=Onagraceae subfam. Onagroideae
|genus=Epilobium
|section=Epilobium sect. Epilobium
|species=Epilobium leptophyllum
}}<!--

-->[[Category:Treatment]][[Category:Epilobium sect. Epilobium]]