Difference between revisions of "Triadenum walteri"
Phytologia 2: 289. 1947.
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Hypericum walteri | |name=Hypericum walteri | ||
|authority=J. F. Gmelin | |authority=J. F. Gmelin | ||
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|publication_title=Syst. Nat. | |publication_title=Syst. Nat. | ||
|publication_place=2: 1159. 1792 (as Hypericon) | |publication_place=2: 1159. 1792 (as Hypericon) | ||
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|name=Elodes floribunda | |name=Elodes floribunda | ||
|authority=Spach | |authority=Spach | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=E. petiolata | |name=E. petiolata | ||
|authority=Pursh | |authority=Pursh | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Gardenia petiolata | |name=Gardenia petiolata | ||
|authority=(Pursh) Farwell | |authority=(Pursh) Farwell | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Hypericum paludosum | |name=Hypericum paludosum | ||
|authority=Choisy | |authority=Choisy | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=H. tubulosum var. walteri | |name=H. tubulosum var. walteri | ||
|authority=(J. F. Gmelin) Lott | |authority=(J. F. Gmelin) Lott | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Triadenum petiolatum | |name=Triadenum petiolatum | ||
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|hierarchy=Hypericaceae;Triadenum;Triadenum walteri | |hierarchy=Hypericaceae;Triadenum;Triadenum walteri | ||
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name=Triadenum walteri | name=Triadenum walteri | ||
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|authority=(J. F. Gmelin) Gleason | |authority=(J. F. Gmelin) Gleason | ||
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|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1947 | |publication year=1947 | ||
| − | |special status=Endemic; | + | |special status=Endemic;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_185.xml |
|genus=Triadenum | |genus=Triadenum | ||
|species=Triadenum walteri | |species=Triadenum walteri | ||
Latest revision as of 22:19, 5 November 2020
Herbs erect, to 10 dm, sometimes with ascending branches in distal 1/2+. Stems: internodes 4-lined at first, then terete. Leaves petiolate, petiole 2–15 mm; blade narrowly elliptic to narrowly oblong, 30–150 × 10–35 mm, base cuneate, apex rounded, gland dots laminar and intramarginal. Inflorescences interrupted spiciform-cylindric, 3-flowered from terminal node, sometimes with subsessile flowers or pedunculate triads and/or flowering branches from to 8 proximal nodes. Flowers 7–10 mm diam.; sepals narrowly oblong to narrowly elliptic or lanceolate, 3–5 × 1–1.5 mm, apex obtuse to rounded; petals narrowly obovate, 5–7 mm; stamen fascicles 3–5 mm; filaments 1/2+ connate; styles 0.8–1.2 mm. Capsules cylindric, 7–12 × 3–4 mm, apex subacute. Seeds 0.8–1.1 mm.
Phenology: Flowering late summer (Jul–Sep).
Habitat: Swampy or marshy ground in woods, pond or lake margins, on fallen logs
Elevation: 0–400 m
Distribution
Ala., Ark., Del., Fla., Ga., Ill., Ind., Ky., La., Md., Miss., Mo., N.J., N.C., Ohio, Okla., S.C., Tenn., Tex., Va., W.Va.
Discussion
The petiolate leaves usually distinguish Triadenum walteri from the other three North American species of Triadenum (see note under T. tubulosum.
Selected References
None.