View source for Hypericum sect. Hypericum

{{Treatment/ID
|accepted_name=Hypericum sect. Hypericum
|accepted_authority=
|publications=
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Hypericum sect. Concinna
|authority=N. Robson
|rank=section
}} {{Treatment/ID/Synonym
|name=Hypericum sect. Graveolentia
|authority=N. Robson
|rank=section
}}
|hierarchy=Hypericaceae;Hypericum;Hypericum sect. Hypericum
|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. Hypericum]]</div></div>
|volume=Volume 6
|mention_page=page 73
|treatment_page=page 97
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form"><b>Herbs,</b> perennial, [subshrubs];</span> <span class="statement" id="st-d0_s1" data-properties="gland coloration">black glands usually on leaves, sepals, and petals and, sometimes, on stems and anthers.</span> <span class="statement" id="st-d0_s2" data-properties="leaf duration;leaf duration"><b>Leaves </b>persistent or tardily deciduous, (base not articulated).</span> <span class="statement" id="st-d0_s3" data-properties="flower diameter"><b>Flowers </b>6–35 mm diam.;</span> <span class="statement" id="st-d0_s4" data-properties="sepal duration;sepal quantity">sepals persistent, 5;</span> <span class="statement" id="st-d0_s5" data-properties="petal duration;petal quantity">petals persistent, 5;</span> <span class="statement" id="st-d0_s6" data-properties="stamen duration;stamen quantity;stamen arrangement;stamen fusion">stamens persistent, 20–109, in 5 fascicles, fascicles connate as 2 + 2 + 1;</span> <span class="statement" id="st-d0_s7" data-properties="">ovary 3 (–4) -merous;</span> <span class="statement" id="st-d0_s8" data-properties="ovary architecture;ovary placentation">placentation axile;</span> <span class="statement" id="st-d0_s9" data-properties="style orientation;base fusion">styles spreading, bases distinct;</span> <span class="statement" id="st-d0_s10" data-properties="stigma size">stigmas relatively small.</span> <span class="statement" id="st-d0_s11" data-properties="seed shape"><b>Seeds </b>not or slightly carinate.</span> <span class="statement" id="st-d0_s12" data-properties="whole-organism quantity;whole-organism geographical terms;whole-organism geographical terms;whole-organism position;whole-organism geographical terms"><b>Species </b>22 (8, including 1 hybrid, in the flora): North America, Mexico, West Indies, Central America, South America.</span><!--

-->{{Treatment/Body
|distribution=North America;Mexico;West Indies;Central America;South America
|discussion=<p>Species 22 (8 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=culwell1970a
|text=Culwell, D. E. 1970. A Taxonomic Study of the Section Hypericum in the Eastern United States. Ph.D. dissertation. University of North Carolina.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Herbs rarely with rooting base, bushy; leaf blades usually conduplicate; sepals markedly imbricate.
|[[Hypericum concinnum|Hypericum concinnum]]
|-id=key-0-1
|1
|Herbs usually with rooting base (except H. punctatum), not bushy; leaf blades not conduplicate; sepals not or scarcely imbricate.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Stems with black glands in raised lines or without black glands; leaf blades: tertiary veins not densely reticulate, black glands intramarginal, (± dense to spaced), and laminar, (relatively few and distal or absent); capsules ovoid, broadly ovoid, narrowly ovoid-pyramidal, or oblanceoloid
|[[#key-0-3| > 3]]
|-id=key-0-2
|2
|Stems with black glands scattered on or near lines or all over; leaf blades: tertiary veins densely reticulate toward margins, black glands intramarginal (dense) and laminar (scattered); capsules ellipsoid, ovoid, broadly ovoid, or subglobose
|[[#key-0-5| > 5]]
|-id=key-0-3
|3
|Stems from rooting, creeping base, internodes weakly 2-lined or not lined, without black glands, rarely with reddish glands; petals sometimes red-tinged.
|[[Hypericum scouleri|Hypericum scouleri]]
|-id=key-0-3
|3
|Stems from rooting, not creeping, base, internodes 2- or 4-lined, with black glands in lines; petals not red-tinged
|[[#key-0-4| > 4]]
|-id=key-0-4
|4
|Stems: internodes (at least some) 4-lined; sepals broadly ovate to oblong, apex rounded-apiculate to erose-denticulate; capsules with longitudinal vittae (narrow linear glands).
|[[Hypericum maculatum|Hypericum maculatum]]
|-id=key-0-4
|4
|Stems: internodes 2-lined; sepals lanceolate or narrowly oblong to linear, apex acute to aristate; capsules with longitudinal vittae and shorter, oblique vittae.
|[[Hypericum perforatum|Hypericum perforatum]]
|-id=key-0-5
|5
|Leaf blade apex usually acute, rarely obtuse to rounded; inflorescence subsidiary branches ascending to widely spreading; anther gland amber or pellucid.
|[[Hypericum pseudomaculatum|Hypericum pseudomaculatum]]
|-id=key-0-5
|5
|Leaf blade apex usually obtuse, rounded, retuse, or subretuse, rarely acute; inflorescence subsidiary branches narrowly ascending or curved-ascending; anther gland black
|[[#key-0-6| > 6]]
|-id=key-0-6
|6
|Inflorescences (2–)5–14(–22)-flowered; petals 11–18 mm; styles 5.6–12 mm.
|[[Hypericum graveolens|Hypericum graveolens]]
|-id=key-0-6
|6
|Inflorescences (5–)13–600-flowered; petals 3–11 mm; styles 1–5 mm
|[[#key-0-7| > 7]]
|-id=key-0-7
|7
|Stems with black glands on or near lines or all over; flowers 15–20 mm diam.; capsules with longitudinal vittae.
|[[Hypericum ×mitchellianum|Hypericum ×mitchellianum]]
|-id=key-0-7
|7
|Stems with black glands scattered; flowers 8–15 mm diam.; capsules with longitudinal vittae or elongate to ovoid vesicles.
|[[Hypericum punctatum|Hypericum punctatum]]
|}
</div></div><!--

-->{{#Taxon:
name=Hypericum sect. Hypericum
|authority=
|rank=section
|parent rank=genus
|synonyms=Hypericum sect. Concinna;Hypericum sect. Graveolentia
|basionyms=
|family=Hypericaceae
|distribution=North America;Mexico;West Indies;Central America;South America
|reference=culwell1970a
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V6/V6_170.xml
|genus=Hypericum
|section=Hypericum sect. Hypericum
|base fusion=distinct
|flower diameter=6mm;35mm
|gland coloration=black
|leaf duration=deciduous;persistent
|ovary architecture=3(-4)-merous
|ovary placentation=axile
|petal duration=persistent
|petal quantity=5
|seed shape=carinate
|sepal duration=persistent
|sepal quantity=5
|stamen arrangement=fascicles
|stamen duration=persistent
|stamen fusion=connate
|stamen quantity=20;109
|stigma size=small
|style orientation=spreading
|whole-organism geographical terms=south;west;north
|whole-organism position=central
|whole-organism quantity=22
|whole_organism duration=perennial
|whole_organism growth form=herb
}}<!--

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