Hypericum japonicum

• 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.

Biology

Growth

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

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

Sunlight: Sun Exposure: Sun to Partial Shade.

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

Taxonomy

Synonyms

Brathys japonica (Thunb.) Wight • Sarothra Japonica

Notes

Publishing author : Thunb. Publication : Syst. Veg., ed. 14 (J. A. Murray). 702 1784 [May-Jun 1784]

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)

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Further Reading

• 1997 IUCN red list of threatened plants Cambridge: IUCN, World Conservation Union, 1998 url p. 298.
• A bibliographic enumeration of Bornean plants, by E. D. Merrill. Singapore, Printed by Fraser & Neave, ltd., 1921 url p. 392, p. 392.
• A botany for India, by P. F. Fyson. London, The Christian Literature Society for Indian (Madras Branch)1912. url p. 194.
• A hand-book to the flora of Ceylon: containing descriptions of all the species of flowering plants indigenous to the island, and notes on their history, distribution, and uses: with an atlas of plates illustrating some of the more inte by Henry Trimen. London: Dulau, 1893-1931. url p. 19.
• A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conife London;Longmans, Green, 1901. url p. 266.
• A systematic catalogue of the flowering plants and ferns indigenous to or growing wild in Ceylon. Colombo: G. J. A. Skeen, 1885. url .
• An enumeration of Philippine flowering plants, Manila, Bureau of Printing, 1922-26. url p. 75.
• Annals of the Royal Botanic Gardens, Peradeniya. Colombo: Skien; 1901-1924. url , p. 14.
• Arboretum et fruticetum Britannicum; or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, mana London, Henry G. Bohn, 1854. url .
• Art album of New Zealand flora. By Mr. & Mrs. E.H. Featon. Wellington, N.Z.Bock & Cousins[1889] url p. 50.
• Bengal plants: a list of the phanerogams, ferns and fern-allies indigenous to, or commonly cultivated in, the Lower provinces and Chittagong, with definitions of the natural orders and genera, and keys to the genera and species. 1 1903 Calcutta: Botanical Survey of India1903. url p. 244.
• Botanical publications of E.D. Merrill. [New York, etc., 1899- url p. 392.
• Bulletin of the British Museum (Natural History). London: The Museum, 1951-1992. url p. 11, p. 114, p. 115, p. 122, p. 123, p. 128, p. 129, p. 135, p. 141, p. 147, p. 338, p. 339, p. 7, p. 8, p. 92, p. 95.
• Bulletin of the Natural History Museum. London: The Natural History Museum, c1993-2002. url p. 110, p. 128, p. 159.
• Catalogue of scientific papers, 1800-1900. CambridgeUniversity Press1908-14 url p. 249.
• Catalogue of the library of the Arnold Arboretum of Harvard University / compiled under the direction of Charles Sprague Sargent by Ethelyn Maria Tucker. Cambridge: Printed at the Cosmos Press, 1914-1933. url p. 252, p. 42.
• Contributions from the United States National Herbarium 45 2003 Washington, D.C.: Smithsonian Institution Press, 1890- url p. 268, p. 540.
• Contributions to the flora of Siam [Aberdeen]Printed for the University1912- url p. 15.
• Contributions to the flora of Siam. .. / by William Grant Craib. .. [Aberdeen]: Printed for the University of Aberdeen, 1912- url p. 15.
• Flora Hongkongensis; a description of the flowering plants and ferns of the island of Hongkong. LondonL. Reeve1861 url p. 23.
• Flora Malesiana. general editor, C.G.G.J. van Steenis. Djakarta: Noordhoff-Kolff, 1950- url , , , .
• Flora hongkongensis: a description of the flowering plants and ferns of the island of Hongkong. By George Bentham. Published under the authority of Her Majesty's secretary of state for the colonies. London, L. Reeve, 1861. url p. 23.
• Flora of Japan: in English: combined, much revised and extended translation / by the author of his Flora of Japan (1953) and Flora of Japan, Pteridophyta (1957); edited by Frederick G. Meyer and Egbert H. Walker. Washington: Smithsonian Institution, 1965. url p. 630, p. 631.
• Flora of the Presidency of Madras / by J.S. Gamble. London: West, Newman and Adlard, 1915- url p. 70.
• Icones plantarum formosanarum nec non et contributiones ad floram formosanam: or, Icones of the plants of Formosa, and materials for a flora of the island, based on a study of the collections of the Botanical survey of the Government of Formosa / By B. Hayata. .. Taihoku: Bureau of Productive Industry, Government of Formosa, 1911-1921. url p. 78.
• Journal of botany, British and foreign. 38 1900 London: Robert Hardwicke, 1863-1942. url p. 142, p. 19.
• Madagascar: an environmental profile IUCN Conservation Monitoring Centre url p. 361, p. 364, p. 368.
• Manual of the New Zealand flora. By T. F. Cheeseman. .. Wellington, N. Z., J. Mackay, Govt. Printer, 1906. url p. 74.
• Manual of vascular plants of the lower Yangtze Valley, China. Corvallis, Oregon State College[1958] url p. 258, p. 259.
• Miyabe-festschrift, or A collection of botanical papers presented to Prof. Dr. Kingo Miyabe on the occasion of the twenty-fifth anniversary of his academic service by his friends and pupils. Tokio, Rokumeikwan, 1911. url p. 328.
• Notes from the Royal Botanic Garden, Edinburgh. 7 1912-1913 Edinburgh: H. M. Stationery Off. url p. 224.
• Papers and proceedings of the Royal Society of Tasmania. Hobart, Tasmania, The Society. url .
• Proceedings of the Linnean Society of New South Wales. Sydney, Linnean Society of New South Wales. url , , p. 198, p. 249, p. 29, p. 38, p. 59.
• Report of the Australian Association for the advancement of Science. Sidney, The Association. url p. 465, p. 501.
• The British rust fungi (Uredinales) their biology and classification, by W. B. Grove. Cambridge, University Press1913. url p. 355.
• The Gardeners' chronicle: a weekly illustrated journal of horticulture and allied subjects. London: [Gardeners Chronicle], 1874-1955. url , p. 91.
• The Journal of the College of Science, Imperial University of Tokyo, Japan = Tokyo Teikoku Daigaku kiyo. Rika. Tokyo, Japan: The University, 1898-1925. url p. 41, p. 453, p. 545, p. 97.
• The Journal of the Department of Agriculture, Victoria. [Melbourne]:Dept. of Agriculture, Victoria, 1902-1955. url p. 447.
• The Journal of the Linnean Society. Botany. 34 1898-1900 London: the Society: Longman, Green, Longman, Roberts & Green: ||Williams and Norgate, 1865-1968. url p. 178, p. 238, p. 24, p. 245, p. 279, p. 463, p. 73.
• The Journal of the Natural History Society of Siam. [Bangkok, Thailand]: The Society, url p. 129.
• The Philippine journal of science. 5 1910 Manila. url p. 364.
• The Queensland flora: Queensland, Printed by H. J. Diddams & co., 1899-1902. url .
• The Victorian naturalist. [Melbourne]Field Naturalists Club of Victoria. url p. 10, p. 112, p. 118, p. 139, p. 139, p. 146, p. 157, p. 16, p. 164, p. 178, p. 179, p. 186, p. 43, p. 66, p. 67, p. 67, p. 79.
• The flora of British India /By J. D. Hooker assisted by various botanists. Published under the authority of the secretary of state for India in council. London: L. Reeve, 1875-97. url p. 256, p. 257, p. 257.
• The flora of British India. London, L. Reeve & Co., 1875-97. url .
• The flora of Singapore. Singapore, 1900 url p. 46.
• The flora of the Nilgiri and Pulney Hill-tops / by P.F. Fyson; with 580 full page illustrations and 4 maps by Lady Bourne, Mrs. Fyson and others. Madras: Printed by the Supt., Govt. Press, 1915-1920. url p. 31, p. 38.
• The flora of the Northern Territory, Melbourne, McCarron, Bird & Co., Printers, 1917. url .
• The flora of the presidency of Bombay / By Theodore Cooke. London: Taylor and Francis, 1903-08. url p. 75.
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• The natural history of plants. Translated by Marcus M. Hartog. LondonL. Reeve1871- url p. 388.
• The rusts of Australia their structure, nature and classification / by D. McAlpine. Melbourne: Robt. S. Brain, government printer1906. url p. 191, p. 200, p. 439, p. 443.
• The rusts of Australia, their structure, nature, and classification. Melbourne, Brain, 1906. url p. 191, p. 200, p. 333, p. 337.
• The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States a Illustrated with colored plates, four thousand engravings in the text, and ninety-six full-page cuts. New York, Macmillan, 1919 [c1914] url p. 1633.
• The students' flora of New Zealand and the outlying islands. Wellington, N. Z., John Mackay, govt. printer[1899] url .
• Transactions and proceedings and report of the Royal Society of South Australia. Adelaide, Australia: The Society, 1880-1889. url p. 184.
• Transactions and proceedings of the Botanical Society of Edinburgh. [Edinburgh]: The Society, 1891-1970. url p. 352.
• Transactions of the Linnean Society of London, 2nd series: Botany London. url p. 20.

Notes

Contributors

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

Identifiers

• Biodiversity Heritage Library NamebankID: 5839547
• Global Biodiversity Information Facility Taxonkey: 13760092
• Globally Unique Identifier: urn:lsid:ipni.org:names:433519-1
• International Plant Names Index (IPNI) ID: 927424-1
• Zipcode Zoo Species Identifier: 998215

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]

©2004-2012 David Stang. All rights reserved.