Difference between revisions of "Hypericum setosum"
Sp. Pl. 2: 787. 1753.
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|name=Ascyrum villosum | |name=Ascyrum villosum | ||
|authority=Linnaeus | |authority=Linnaeus | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Brathys tomentosa | |name=Brathys tomentosa | ||
|authority=Spach | |authority=Spach | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Hypericum pilosum | |name=Hypericum pilosum | ||
|authority=Walter | |authority=Walter | ||
− | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=H. villosum | |name=H. villosum | ||
|authority=(Linnaeus) Crantz | |authority=(Linnaeus) Crantz | ||
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|elevation=0–200 m | |elevation=0–200 m | ||
|distribution=Ala.;Fla.;Ga.;La.;Miss.;N.C.;S.C.;Tex.;Va. | |distribution=Ala.;Fla.;Ga.;La.;Miss.;N.C.;S.C.;Tex.;Va. | ||
− | |discussion=<p>Hypericum setosum is the only American Hypericum sp. with an indumentum. It is related to H. virgatum (H. denticulatum subsp. acutifolium); in addition to having the indumentum, it is generally smaller and less branched and has a different chromosome number.</p> | + | |discussion=<p><i>Hypericum setosum</i> is the only American <i>Hypericum</i> sp. with an indumentum. It is related to <i>H. virgatum</i> (<i>H. denticulatum</i> subsp. acutifolium); in addition to having the indumentum, it is generally smaller and less branched and has a different chromosome number.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1753 | |publication year=1753 | ||
|special status=Endemic | |special status=Endemic | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V6/V6_153.xml |
|genus=Hypericum | |genus=Hypericum | ||
|section=Hypericum sect. Brathys | |section=Hypericum sect. Brathys |
Revision as of 18:46, 18 September 2019
Herbs annual or perennial, erect, usually unbranched proximal to inflorescence, 2–8 dm. Stems: internodes 4-lined, scabrous-tomentose to pilose. Leaves appressed to ascending, sessile; blade narrowly ovate or lanceolate to narrowly oblong-elliptic (or proximal oblanceolate), 4–15 × 1.5–7 mm, subcoriaceous, margins recurved, apex acute to obtuse, surfaces scabrous-tomentose to pilose, basal veins 1(–5), midrib with 0–1 pair of branches. Inflorescences cylindric to subcorymbiform, to 30-flowered, branching mostly dichasial. Flowers 5–11 mm diam.; sepals ovate to ovate-lanceolate or obovate, subequal, 2.5–5 × 1.5–2.5 mm, margins setulose-ciliate, apex acute; petals 5, deep yellow, obovate, 4–7 mm; stamens (15–)20–40, filaments almost distinct; styles 1.5–2 mm; stigmas ± broadly capitate. Capsules ovoid to ellipsoid-subglobose, 3.5–5 × 2–3 mm. Seeds 0.4–0.6 mm; testa linear-reticulate. 2n = 12.
Phenology: Flowering early–late summer (Jun–Sep).
Habitat: Wet ditches, bogs, savannas, wet pinelands on sandy soil
Elevation: 0–200 m
Distribution
![V6 153-distribution-map.jpg](/w/images/0/09/V6_153-distribution-map.jpg)
Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Va.
Discussion
Hypericum setosum is the only American Hypericum sp. with an indumentum. It is related to H. virgatum (H. denticulatum subsp. acutifolium); in addition to having the indumentum, it is generally smaller and less branched and has a different chromosome number.
Selected References
None.