Hypericum gymnanthum

• Interesting Facts
• Common Names
• Description
• Biology
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Interesting Facts

Common Names

Description

Genus Hypericum

[Trees or] shrubs , subshrubs , or perennial herbs, glabrous or with simple hairs , with translucent ("pale") and often opaque , black or reddish ("dark") glands , laminar (immersed and sometimes abaxial ) and marginal or intramarginal . Leaves opposite [or whorled ], sessile or short petiolate , venation pinnate to palmate [or rarely dichotomous], margin entire or gland-fringed. Inflorescence cymose . Flowers bisexual , homostylous [or heterostylous], stellate or cupped. Sepals 5 and quincuncial or rarely 4 and decussate, unequal or equal, free or partly united . Petals (4 or) 5, contorted, golden to lemon yellow [or rarely white], abaxially sometimes tinged or veined red, persistent or deciduous after anthesis , usually asymmetric . Stamens in [4 or]5 fascicles, free and antipetalous , or some united to form apparently 4 or 3 fascicles with compound fascicle(s) antisepalous , or irregular and apparently not fasciculate, persistent or deciduous, each single fascicle with up to 70[-120] stamens; filaments slender, free from nearly base [or to 2/3 united] or apparently completely free; anthers small, dorsifixed or ± basifixed , dehiscing longitudinally, with gland on connective ; sterile fascicles (fasciclodes) absent [very rare]. Ovary 3-5-loculed with axile placentae or ± completely 1-loculed with (2 or) 3[-5] parietal placentae, each placenta with [2 or] few to many ovules; styles (2 or) 3-5, free or partly to completely united, ± slender; stigmas small or ± capitate. Fruit a septicidal capsule or rarely ± indehiscent, valves often with oil-containing vittae or vesicles . Seeds small, often carinate or narrowly unilaterally winged ; testa variously sculptured , not arillate [very rarely carunculate]; embryo slender, straight, with distinct slender cotyledons.

About 460 species: almost cosmopolitan except for arctic and desert areas and most of the lowland tropics; 64 species (33 endemic) in China.[1]

Physical Description

Landscaping

Care: Shear after flowering to encourage reblooming. Follow a regular watering schedule during the first growing season to establish an extensive root system . Feed regularly during the growing season with a general purpose fertilizer . Prune annually in late winter to promote vigorous new growth.

Habitat

Typically found at an altitude of 0 to 537 meters (0 to 1,762 feet).[2]

Biology

Reproduction

Duration: Perennial

Growth

Culture: Space 18-36" apart. Likes cool areas.

Soil: Prefers organic soil. Needs well-drained soil. Good for dry soils.

Sunlight: Sun Exposure: Full sun to part shade.

Temperature: Cold Hardiness: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b. (map)

Taxonomy

Synonyms

Hypericum mutilum var. gymnanthum (Engelm. & A.Gray) A.Gray

Notes

Publishing author : Engelm. & A.Gray

Similar Species

Members of the genus Hypericum

ZipcodeZoo has pages for 124 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them:

H. acutifolium (Sharpleaf St. Johnswort) · H. adpressum (Creeping St. Johnswort) · H. anagalloides (Tinker's Penny) · H. androsaemum (Sweet Amber) · H. androsaemum L. 'Gladys Brabazon' (Sweet Amber) · H. androsaemum 'Albury Purple' (Sweet Amber) · H. androsaemum 'Esm Cho' (Tutsan 'esm Cho') · H. androsaemum 'Esm Española' (Tutsan 'esm Espa) · H. androsaemum 'Esm Greli' (Tutsan 'esm Greli') · H. androsaemum 'Esm Kalua' (Tutsan 'esm Kalua') · H. androsaemum 'Esm Ora' (Tutsan 'esm Ora') · H. androsaemum 'Esm Pin' (Tutsan 'esm Pin') · H. androsaemum 'Esm Re' (Tutsan 'esm Re') · H. androsaemum 'Esm Wet' (Tutsan 'esm Wet') · H. androsaemum 'Glacier' (Sweet Amber) · H. androsaemum 'Glob Dr205' (Tutsan 'glob Dr205') · H. androsaemum 'Glob Lp208' (Tutsan 'glob Lp208') · H. androsaemum 'Golden Tutsan' (Golden Tutsan St. John's Wort) · H. androsaemum 'Verpeacla' (Tutsan 'verpeacla') · H. ascyron (Great St. Johnswort) · H. ascyron gebleri (Great St. Johnswort) · H. boreale (Northern St. Johnswort) · H. brachyphyllum (Coastalplain St. Johnswort) · H. brathys (St. Johnswort) · H. buckleii (Buckley's St. Johnswort) · H. calcycinum (St. John's Wort) · H. calycinum (Aaron's Beard) · H. calycinum 'Brigadoon' (Aaron's Beard) · H. canadense (Lesser Canadian St. Johnswort) · H. canadense boreale (Lesser Canadian St. Johnswort) · H. canariense (Canary Island St. Johnswort) · H. cerastoides (Hypericum) · H. chapmanii (Apalachicola St. Johnswort) · H. cistifolium (Round-Pod St John´s-Wort) · H. concinnum (Goldwire) · H. crux-andreae (Atlantic St. Peter's-Wort) · H. cumulicola (Highlands Scrub Hypericum) · H. densiflorum (Bushy St. Johnswort) · H. denticulatum (Coppery St. Johnswort) · H. diosmoides (Puerto Rico St. Johnswort) · H. dissimulatum (Disguised St. Johnswort) · H. dolabriforme (Straggling St. Johnswort) · H. drummondii (Nits and Lice) · H. edisonianum (Edison Ascyrum) · H. ellipticum (Pale St. Johnswort) · H. elodes (Marsh Hypericum) · H. exile (Florida Sands St. Johnswort) · H. fasciculatum (Peelbark St. Johnswort) · H. forrestii (Forrests St. Johns Wort) · H. fortuneana 'Purple Fountain' (St. Johns Wort) · H. frondosum (Golden St John´s-Wort) · H. frondosum 'Sunburst' (Cedarglade St. John's Wort) · H. galioides (Bedstraw St. Johnswort) · H. gentianoides (Orangegrass) · H. gramineum (Small St John´s-Wort) · H. graveolens (Mountain St. Johnswort) · H. gymnanthum (Claspingleaf St. Johnswort) · H. harperi (Sharplobe St. Johnswort) · H. hookerianum (Hookers St. Johnswort) · H. humifusum (Trailing St John´s-Wort) · H. humifusum suborbiculatum (Trailing St. Johnswort) · H. hypericoides (Reclining St Andrew's Cross) · H. hypericoides hypericoides (St Andrews Cross) · H. hypericoides multicaule (St. Andrew's Cross) · H. hypericoides subsp. multicaule (St. Andrew's Cross) · H. japonicum (Matted St. Johns Wort) · H. kalmianum (Kalm´s St John´s-Wort) · H. kelleri (Hypericum) · H. lancasteri (Lancasters St. Johns Wort) · H. laricifolium (St. Johns Wort) · H. lissophloeus (Smoothbark St. Johnswort) · H. lloydii (Sandhill St. Johnswort) · H. lobocarpum (Fivelobe St. Johnswort) · H. majus (Large St Johnswort) · H. microsepalum (Flatwoods St. Johnswort) · H. mitchellianum (Blue Ridge St. Johnswort) · H. moseranum 'Tri-Color' (Gold Flower) · H. moserianum (St. Johnswort) · H. multicaule (St. Andrew's Cross) · H. mutilum (Dwarf St Johnswort) · H. myrtifolium (Myrtleleaf St. Johnswort) · H. nitidum (Carolina St. Johnswort) · H. nudiflorum (Early St. Johnswort) · H. oblongifolium (St. Johnswort) · H. olympicum f. minus 'Variegatum' (St. Johns Wort) · H. parvulum (Sierra Madre St. Johnswort) · H. patulum Thunb. 'Sungold' (St. Johns Wort) · H. patulum 'Hidcote' (Hidcote Hypericum) · H. patulum 'Variegatum' (St. Johns Wort) · H. pauciflorum (Fewflower St. Johnswort) · H. perforatum (Common St Johnswort) · H. perforatum chinense (Common St Johnswort) · H. polyphyllum (Rockery St. Johns Wort) · H. prolificum (Cinnamon Stick) · H. pseudomaculatum (False Spotted St. Johnswort) · H. pulchrum (Slender St. Johns Wort) · H. punctatum (Spotted St Johnswort) · H. reductum (St Johns Wort) · H. reptans (Creeping St. John's Wort) · H. revolutum keniense (Forest-Primrose)

More Info

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Further Reading

• An illustrated flora of the northern United States, Canada and the British possessions: from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian / by Nathaniel Lord Britton and Hon. Addison Brown. New York: Scribner, 1913. url p. 529, p. 529, p. 535.
• Annals of the New York Academy of Sciences. New York, New York Academy of Sciences. url p. 203, p. 80.
• Annotated list of the ferns and flowering plants of New York state, by Homer D. House. Albany, The University of the state of New York, 1924. url p. 494.
• Annual report Missouri Botanical Garden. 18 1907 St. Louis: Board of Trustees, 1890-1912. url p. 215.
• Annual report of the New Jersey State Museum. Trenton, N.J.: MacCrellish & Quigley, url p. 551, p. 556.
• Annual report of the Ohio State Academy of Science. Columbus: The Academy, 1893-1930. url p. 27.
• Aquatic and wetland plants of southwestern United States, by Donovan S. Correll and Helen B. Correll. [Washington]Environmental Protection Agency; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]1972. url p. 1137.
• Bartonia;proceedings of the Philadelphia botanical club. .. 1986-1992 Philadelphia, Philadelphia Botanical Club, Academy of Natural Sciences. url p. 103, p. 125.
• Botanic contributions relating to the flora of western North America [by] Gray, Engelmann, Torrey [and] Fre?mont. v.p., 1843-53 url p. 212.
• Bulletin / Ohio Biological Survey. Columbus, Ohio: Ohio State University, 1913- url p. 175.
• Bulletin of the British Museum (Natural History). London: The Museum, 1951-1992. url p. 11, p. 113, p. 114, p. 115, p. 116, p. 119, p. 123, p. 339.
• Catalog of Ohio vascular plants, arranged according to the phyletic classification; with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State Univ Columbus, The Ohio State University, 1914. url .
• Catalog of Ohio vascular plants: arranged according to the phyletic classification: with notes on the geographical distribution in the state, based mainly on specimens in the State Herbarium, Botanical Laboratory, the Ohio State Uni by John H. Schaffner. Columbus: Ohio State University, 1914. url p. 175.
• Contributions from the Botanical Laboratory. Philadelphia: University of Pennsylvania Press, 1892- url .
• Contributions from the United States National Herbarium 6 1901 Washington, D.C.: Smithsonian Institution Press, 1890- url p. 623.
• Erigenia: journal of the Illinois Native Plant Society. Carbondale, Ill.: The Society, 1982- url p. 57.
• Flora of Delaware and the Eastern Shore: an annotated list of the ferns and flowering plants of the peninsula of Delaware, Maryland and Virginia. [Wilmington]: Society of Natural History of Delaware, 1946. url p. 177.
• Flora of Guatemala / Paul C. Standley and Louis O. Williams. 24 1961 Chicago, Ill.: Chicago Natural History Museum, 1961. url p. 47, p. 50.
• Flora of Pennsylvania, Boston, Ginn & Company, 1903. url .
• Flora of Pennsylvania. Edited with the addition of analytical keys by John Kunkel Small. Boston, Ginn & Co., 1903. url p. 213.
• Flora of the Indiana dunes, a handbook of the flowering plants and ferns of the lake Michigan Coast of Indiana and of the Calumet District, by Donald Culross Peattie. Chicago, Field Museum of Natural History, 1930. url p. 263.
• Flora of the southeastern United States; being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolina, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, and in Oklahom by John Kunkel Small. New York, The author, 1913. url p. 786, p. 786, p. 787.
• Flora of the vicinity of New York; a contribution to plant geography. [New York]1915 url p. 16.
• Handbook of the flora of Philadelphia and vicinity, containing data relating to the plants within the following radius: eastern Pennsylvania; all of New Jersey except the northern counties; and New Castle County, Delaware, with keys for identification comp. by Ida A. Keller and Stewardson Brown. Philadelphia, Philadelphia Botanical Club, 1905. url p. 223, p. 224.
• List of Pteridophyta and Spermatophyta growing without cultivation in northeastern North America. Prepared by a Committee of the Botanical Club, American Association for the Advancement of Science. New York, 1894. url p. 225.
• Manual of the flora of the northern states and Canada / by Nathaniel Lord Britton. New York: Holt, 1905. url p. 628.
• Memoirs of the Torrey Botanical Club. 5 1893 - 18 Durham, N.C.: Published for the Club by the Seeman Printery, 1889- url p. 225.
• Phytologia. Bronx Park, New York, H.A. Gleason and H.N. Moldenke, url p. 135.
• Plant life of Alabama, an account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state. By Charles Mohr. .. Montgomery, Ala., Brown printing co., 1901. url p. 623.
• Plant life of Alabama. An account of the distribution, modes of association, and adaptations of the flora of Alabama, together with a systematic catalogue of the plants growing in the state. Prepared in cooperationwith the Washington, Govt. Print. Off., 1901. url .
• Plantae Lindheimerianae: an enumeration of F. Lindheimer's collection of Texan plants, with remarks and descriptions of new species, etc. / by George Engelmann and Asa Gray. Boston: Printed by Freeman and Bolles, 1845-[1907] url p. 215, p. 4.
• Plants of Iowa; a preliminary list of the native and introduced plants of the state, not under cultivation; comp. by Wesley Greene, secretary. Des Moines, Bishard brothers, printers, 1907. url p. 193.
• Plants of Mississippi: a list of flowering plants and ferns / by E.N. Lowe. [Jackson, Miss.]: Mississippi State Geological Survey, 1921. url p. 199.
• Proceedings of the Academy of Natural Sciences of Philadelphia. Philadelphia, Academy of Natural Sciences of Philadelphia url p. 458, p. 458.
• Proceedings of the Boston Society of Natural History. Boston [etc.]Boston Society of Natural History. url p. 56.
• Reports of the Survey. Botanical series. Minneapolis [etc.]1892- url p. 363, p. 690, p. 691.
• Small, J. K. Flora of the southeastern United States;being descriptions of the seed-plants, ferns and fern-allies growing naturally in North Carolina, South Carolin, Georgia, Florida, Tennessee, Alabama, Mississippi, Arkansas, Louisiana and the Indian territory and in Oklahoma and Texas east of the one-hundredth meridian /by John Kunkel Small. .. 1903 New York: The author, 1903. url p. 786.
• Sources of the Ohio flora, by A.D. Selby and J.W.T. Duvel. Columbus, 1899 url p. 50.
• Special papers / Ohio Academy of Sciences. Columbus, Ohio: The Academy, 1899-1929. url p. 114, p. 27.
• Synoptical flora of North America. New York, American Book Company, 1878-1895/97 [v.2, pt. 1, 1878] url p. 290.
• The Metaspermae of the Minnesota Valley: a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River / by Conway MacMillan. Minneapolis: Geological and Natural History Survey of Minnesota, 1892. url p. 363, p. 690, p. 691.
• The Metaspermae of the Minnesota valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota river. Minneapolis[Harrison & Smith, State Printers]1892 url p. 363, p. 690, p. 691.
• The Ohio journal of science. Columbus, Ohio, The Ohio State University and the Ohio Academy of Science url p. 418.
• The flora of Scott and Muscatine counties. By W.D. Barnes, Fred Reppert [and] A.A. Miller. Davenport, Iowa, 1901 url p. 208.
• The plants of Southern New Jersey with especial reference to the flora of the pine barrens and the geographic distribution of the species. Trenton, N. J., 1911. url , .
• The plants of Southern New Jersey; with especial reference to the flora of the Pine Barrens and the geographic distribution of the species. Trenton, 1911. url p. 551, p. 556.
• The plants of southern New Jersey; with especial reference to the flora of the pine barrens and the geographic distribution of the species. Trenton, 1911. url p. 556.
• Transactions of the. .. annual meetings of the Kansas Academy of Science. Topeka, Kan.: Kansas Pub. House, 1883-1901. url p. 98.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 31, 2012.

Data Sources

Accessed through GBIF Data Portal November 21, 2007:

• USDA PLANTS, USDA PLANTS Database
• University of Alabama Biodiversity and Systematics, Herbarium

Identifiers

• Biodiversity Heritage Library NamebankID: 2647497
• Catalogue of Life Accepted Name Code: ITS-21443
• Global Biodiversity Information Facility Taxonkey: 13741216
• Globally Unique Identifier: urn:lsid:ipni.org:names:433475-1
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 21443
• International Plant Names Index (IPNI) ID: 126236-2
• Natural Heritage Network Species Identifier: PDCLU030W0
• U.S.D.A. Plant Symbol: HYGY
• Zipcode Zoo Species Identifier: 43731

Footnotes

1. Xi-wen Li & Norman K. B. Robson "Hypericum". in Flora of China Vol. 13 Page 1, 2. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
2. Mean = 94.140 meters (308.858 feet), Standard Deviation = 117.260 based on 176 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.