View source for Hypericum tenuifolium

{{Treatment/ID
|accepted_name=Hypericum tenuifolium
|accepted_authority=Pursh
|publications={{Treatment/Publication
|title=Fl. Amer. Sept.
|place=2: 377. 1813
|year=1813
}}
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Hypericum fasciculatum var. laxifolium
|authority=Choisy
}} {{Treatment/ID/Synonym
|name=H. reductum
|authority=(Svenson) W. P. Adams
}}
|hierarchy=Hypericaceae;Hypericum;Hypericum sect. Myriandra;Hypericum tenuifolium
|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 tenuifolium]]</div></div>
|volume=Volume 6
|mention_page=page 75, 80
|treatment_page=page 79
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> usually decumbent, not rooting, forming mats, 1–5 dm. <b>Stems</b>: internodes 6-lined at first, becoming 4-lined, then terete. <b>Leaf</b> blades linear-subulate, 4–11 × 0.4–0.8 mm, base articulated, persistent, parallel or slightly expanded, margins revolute, apex rounded with ± prominent hydathode to long-acuminate, midrib unbranched. <b>Inflorescences</b> ± narrowly cylindric, 1–7-flowered, with 1(–3)-flowered dichasia from to 4 proximal nodes, rarely with 1 pair of flowering branches; flowers sessile or nearly so. <b>Flowers</b> 10–14 mm diam.; sepals deciduous, not enclosing capsule, 5, linear-subulate, unequal, 2–4 × 0.4–0.5 mm; petals 5, bright yellow, oblanceolate-oblong to obovate, 5–10 mm; stamens deciduous, 50–90; ovary 3-merous. <b>Capsules</b> narrowly (sub-)cylindric, (4–)5.7–9.5 × 1.5–2 mm. <b>Seeds</b> scarcely carinate, 0.5 mm; testa coarsely reticulate. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–mid summer (Apr–Jul).
|habitat=Dry, sandy woods, dunes and dune hollows, coastal plain
|elevation=to 200 m
|distribution=Ala.;Fla.;Ga.;N.C.;S.C.
|discussion=<p><i>Hypericum tenuifolium</i> differs from <i>H. galioides</i> in habit, leaf size, and inflorescence, and in its drier habitat. Its nonrooting stems, longer leaves, and (usually) longer stems distinguish it from <i>H. lloydii</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Hypericum tenuifolium
|author=
|authority=Pursh
|rank=species
|parent rank=section
|synonyms=Hypericum fasciculatum var. laxifolium;H. reductum
|basionyms=
|family=Hypericaceae
|phenology=Flowering spring–mid summer (Apr–Jul).
|habitat=Dry, sandy woods, dunes and dune hollows, coastal plain
|elevation=to 200 m
|distribution=Ala.;Fla.;Ga.;N.C.;S.C.
|reference=None
|publication title=Fl. Amer. Sept.
|publication year=1813
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V6/V6_123.xml
|genus=Hypericum
|section=Hypericum sect. Myriandra
|species=Hypericum tenuifolium
}}<!--

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