View source for Hypericum prolificum

{{Treatment/ID
|accepted_name=Hypericum prolificum
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Mant. Pl.
|place=1: 106. 1767
|year=1767
}}
|common_names=Shrubby St. John’s wort
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=W
|label=Weedy
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Brathys prolifica
|authority=(Linnaeus) Payer
|rank=species
}} {{Treatment/ID/Synonym
|name=Hypericum spathulatum
|authority=(Spach) Steudel
|rank=species
}} {{Treatment/ID/Synonym
|name=Myriandra ledifolia
|authority=Spach
|rank=species
}} {{Treatment/ID/Synonym
|name=M. prolifica
|authority=(Linnaeus) Spach
|rank=species
}} {{Treatment/ID/Synonym
|name=M. prolifica var. spathulata
|authority=(Spach) K. Koch
|rank=variety
}} {{Treatment/ID/Synonym
|name=M. spathulata
|authority=
|rank=species
}}
|hierarchy=Hypericaceae;Hypericum;Hypericum sect. Myriandra;Hypericum prolificum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Hypericaceae]]</div><div class="higher-taxon"><small>genus</small>[[Hypericum]]</div><div class="higher-taxon"><small>section</small>[[Hypericum sect. Myriandra]]</div><div class="higher-taxon"><small>species</small>[[Hypericum prolificum]]</div></div>
|volume=Volume 6
|mention_page=page 75, 77, 78, 81
|treatment_page=page 76
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> erect or ± diffuse, forming rounded or irregular bush, (2–)7.5–15(–20) dm. <b>Stems</b>: internodes 4-lined at first, then 2-lined to terete. <b>Leaf</b> blades narrowly oblong to narrowly elliptic-oblanceolate, 30–70 × 6–15 mm, base articulated, attenuate to narrowly cuneate, margins plane to recurved, apex rounded-apiculate to acute, midrib with 10–16 pairs of branches. <b>Inflorescences</b> cylindric, (1–)3–7(–9)-flowered from apical node, with paired single flowers or triads or 1–3(–7)-flowered branches from 2+ proximal nodes. <b>Flowers</b> 15–30 mm diam.; sepals deciduous, not enclosing capsule, 5, elliptic to obovate or oblanceolate-spatulate, unequal or subequal, 4–8 × 1.5–4 mm; petals 5, golden yellow, obovate to oblanceolate-spatulate, 7–15 mm; stamens deciduous, 150–500; ovary 3(–5)-merous, placentation incompletely axile. <b>Capsules</b> usually narrowly ovoid-conic to ovoid, rarely ellipsoid, 7–13 × 4–7 mm. <b>Seeds</b> carinate, 1.5–2 mm; testa linear-reticulate. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer (Jun–Sep).
|habitat=Rocky slopes, embankments, dry stream bottoms, woodland (in north), on limestone or granite
|elevation=50–600+ m
|distribution=Ont.;Ala.;Ark.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Ky.;La.;Md.;Mich.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va.;Wis.
|discussion=<p><i>Hypericum prolificum</i> is variable, the most luxuriant form being found in the southwestern part of its range. Natural hybrids have not been recorded; it hybridizes in gardens with <i>H. densiflorum</i> (H. x\arnoldianum Rehder), <i>H. frondosum</i>, <i>H. kalmianum</i>, and <i>H. lobocarpum</i> (H. x\dawsonianum Rehder).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Hypericum prolificum
|authority=Linnaeus
|rank=species
|parent rank=section
|synonyms=Brathys prolifica;Hypericum spathulatum;Myriandra ledifolia;M. prolifica;M. prolifica var. spathulata;M. spathulata
|basionyms=
|family=Hypericaceae
|phenology=Flowering summer (Jun–Sep).
|habitat=Rocky slopes, embankments, dry stream bottoms, woodland (in north), on limestone or granite
|elevation=50–600+ m
|distribution=Ont.;Ala.;Ark.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Ky.;La.;Md.;Mich.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va.;Wis.
|reference=None
|publication title=Mant. Pl.
|publication year=1767
|special status=Endemic;Weedy
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V6/V6_117.xml
|genus=Hypericum
|section=Hypericum sect. Myriandra
|species=Hypericum prolificum
}}<!--

-->[[Category:Treatment]][[Category:Hypericum sect. Myriandra]]