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Triadenum virginicum : Source: The PLANTS Database, database (version 5.1.1) Acquired: 2000 : Notes: National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov : Reference for: Triadenum virginicum : Publication(s): Author(s)/Editor(s): Publication Date: Article/Chapter Title: Journal/Book Name, Vol. No.: Triadenum virginicum (L.) Raf., Fl. Tellur. 3: 79. (1837) Elodes virginica (L.) Nutt. in J.Torrey & A.Gray, Fl. N. Amer.

Triadenum virginicum

fraseri (Spach) J.M. Gillett Taxonomic Serial No.: 526777 (Download Help) Triadenum virginicum ssp. fraseri TSN 526777 Botanical name: Triadenum virginicum (L.) Raf.: Common name: marsh St. Johnswort: Synonomy: Hypericum virginicum L.: Group: Dicot: Family: Clusiaceae: Growth Type Familia: Hypericaceae Genus: Hypericum Species: Hypericum fauriei Name []. Hypericum fauriei R.Keller, Bull. Herb. Boissier 5: 637.(1897) Synonyms []. Heterotypic Similar Items.

Occurs only in wetlands .

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A very similar species, Triadenum fraseri (Fraser's Marsh St. John's Wort), has a geographical range that overlaps with that of T. virginicum , but T. fraseri is found more in the Great Lakes and New England regions and north, without an affinity to the Triadenum virginicum grows in bogs, interdunal swales, and wet meadows. Note the pointed sepals and "long" styles of Triadenum virginicum . A very similar species, Triadenum fraseri (Fraser's Marsh St. John's Wort), has a geographical range that overlaps with that of T. virginicum , but T. fraseri is found more in the Great Lakes and New England regions and north, without an affinity to the Triadenum virginicum Also known as Hypericum virginicum. Plant Specifics.

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fraseri (Spach) Fern. undefined Hypericum virginicum L. var. fraseri (Spach) Fern. Triadenum fraseri (Spach) Gleason. Triadenum virginicum. Harms, Bill.

fraseri (Spach) J.M. Gillett Taxonomic Serial No.: 526777 (Download Help) Triadenum virginicum ssp. fraseri TSN 526777 Taxonomy and Nomenclature Kingdom: Plantae : Taxonomic Rank: Subspecies : Common Name(s): Accepted Name(s): Triadenum Global Biodiversity Information Facility. Free and Open Access to Biodiversity Data. Home » Hypericaceae » Triadenum: Triadenum virginicum (L.) Raf. Common Name: MARSH ST. JOHN'S-WORT: Coefficient of Conservatism: 10 Coefficient of Wetness: -5 Wetness Index: OBL Physiognomy: Nt P-Forb. R. Schipper. All Images Enlarge Image. Sphagnum Etymology: Triadenum: Greek for "three glands" Plants: erect, perennial, 12"-24" tall forb Leaves: oblong, 2-3 times as long as wide, rounded at the tip, stalkless, dark-dotted below with translucent glands Flowers: pinkish, 5-parted, 2/3"-3/4" wide, sepals elliptical or oblong; inflorescence a branched, terminal cluster (cyme); blooms July-Aug.
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T. fraseri, with sepals 3-5 mm long, Triadenum virginicum, Virginia Marsh St. Johnswort, Common Marsh St. Johnswort. NameThatPlant.net currently features 3842 plants and 23,907 images.

Usually the flowers present like closed buds (unless very lucky to catch them open). The reddish colour of the buds/capsules and leaves in the fall makes it very attractive. Triadenum species Triadenum virginicum Name Synonyms Androsaemum emarginatum (Lam.) K.Koch Elodea campanulata Pursh Elodea canadensis Fraser Elodea canadensis Fraser ex Spach Elodea drumondii Spach Elodea emarginata Steud. Elodea pauciflora Spach Triadenum virginicum FAMILY Hypericaceae Virginia Marsh St. Johnswort, Common Marsh St. Johnswort Dig deeper at SERNEC, a consortium of southeastern herbaria.
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Triaden - Canal Midi

Inga underarter finns listade i Catalogue of Life. An Triadenum virginicum in uska species han Magnoliopsida nga syahan ginhulagway ni Carl von Linné, ngan ginhatag han pagkayana nga asya nga ngaran ni Constantine Samuel Rafinesque. An Triadenum virginicum in nahilalakip ha genus nga Triadenum, ngan familia nga Hypericaceae. Waray hini subspecies nga nakalista.