{"id":"https://openalex.org/W2117735347","doi":"https://doi.org/10.1111/j.1469-8137.1990.tb00427.x","title":"Internal secretory structures in Hypericum (Clusiaceae): H. perforatum L. and H. balearicum L.","display_name":"Internal secretory structures in Hypericum (Clusiaceae): H. perforatum L. and H. balearicum L.","publication_year":1990,"publication_date":"1990-04-01","ids":{"openalex":"https://openalex.org/W2117735347","doi":"https://doi.org/10.1111/j.1469-8137.1990.tb00427.x","mag":"2117735347"},"language":"en","primary_location":{"id":"doi:10.1111/j.1469-8137.1990.tb00427.x","doi":"https://doi.org/10.1111/j.1469-8137.1990.tb00427.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1469-8137.1990.tb00427.x","pdf_url":null,"source":{"id":"https://openalex.org/S58631098","display_name":"New Phytologist","issn_l":"0028-646X","issn":["0028-646X","1469-8137"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-1","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Phytologist","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076493237","display_name":"John D. Curtis","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I191114373","display_name":"University of Wisconsin\u2013Stevens Point","ror":"https://ror.org/05sv6pg41","country_code":"US","type":"education","lineage":["https://openalex.org/I191114373"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. D. CURTIS","raw_affiliation_strings":["Department of Biology, University of Wisconsin, Stevens Point, Wisconsin 54481, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biology, University of Wisconsin, Stevens Point, Wisconsin 54481, USA","institution_ids":["https://openalex.org/I191114373"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053864342","display_name":"Nels R. Lersten","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I173911158","display_name":"Iowa State University","ror":"https://ror.org/04rswrd78","country_code":"US","type":"education","lineage":["https://openalex.org/I173911158"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"N. R. LERSTEN","raw_affiliation_strings":["Department of Botany, Iowa State University, Ames, Iozva 50011, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Botany, Iowa State University, Ames, Iozva 50011, USA","institution_ids":["https://openalex.org/I173911158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5790,"currency":"USD","value_usd":5790},"apc_paid":null,"fwci":2.1368,"has_fulltext":false,"cited_by_count":67,"citation_normalized_percentile":{"value":0.86369358,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"114","issue":"4","first_page":"571","last_page":"580"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12087","display_name":"Natural Compound Pharmacology Studies","score":0.5092999935150146,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12087","display_name":"Natural Compound Pharmacology Studies","score":0.5092999935150146,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12618","display_name":"Botany and Plant Ecology Studies","score":0.15479999780654907,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10385","display_name":"Plant Diversity and Evolution","score":0.14100000262260437,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hypericum-perforatum","display_name":"Hypericum perforatum","score":0.9779999852180481},{"id":"https://openalex.org/keywords/secretory-structures","display_name":"secretory structures","score":0.8840000033378601},{"id":"https://openalex.org/keywords/leaf-anatomy","display_name":"leaf anatomy","score":0.6700000166893005},{"id":"https://openalex.org/keywords/clusiaceae","display_name":"Clusiaceae","score":0.5339999794960022}],"concepts":[{"id":"https://openalex.org/C120545014","wikidata":"https://www.wikidata.org/wiki/Q107412","display_name":"Petal","level":2,"score":0.5797989368438721},{"id":"https://openalex.org/C2776731575","wikidata":"https://www.wikidata.org/wiki/Q2916245","display_name":"Nodule (geology)","level":2,"score":0.5614000558853149},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5078192353248596},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.46277129650115967},{"id":"https://openalex.org/C2779559920","wikidata":"https://www.wikidata.org/wiki/Q911138","display_name":"Thickening","level":2,"score":0.44020769000053406},{"id":"https://openalex.org/C2776651039","wikidata":"https://www.wikidata.org/wiki/Q158289","display_name":"Hypericum perforatum","level":2,"score":0.42083364725112915},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.3966347277164459},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.31451815366744995},{"id":"https://openalex.org/C126348684","wikidata":"https://www.wikidata.org/wiki/Q3456979","display_name":"Polymer science","level":1,"score":0.0},{"id":"https://openalex.org/C98274493","wikidata":"https://www.wikidata.org/wiki/Q128406","display_name":"Pharmacology","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1111/j.1469-8137.1990.tb00427.x","doi":"https://doi.org/10.1111/j.1469-8137.1990.tb00427.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1469-8137.1990.tb00427.x","pdf_url":null,"source":{"id":"https://openalex.org/S58631098","display_name":"New Phytologist","issn_l":"0028-646X","issn":["0028-646X","1469-8137"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-1","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Phytologist","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W560473442","https://openalex.org/W1499723736","https://openalex.org/W1505983320","https://openalex.org/W1524360444","https://openalex.org/W1905035942","https://openalex.org/W1970317024","https://openalex.org/W2014163941","https://openalex.org/W2014613665","https://openalex.org/W2036104416","https://openalex.org/W2066352896","https://openalex.org/W2323082726","https://openalex.org/W2326261401","https://openalex.org/W2327496176","https://openalex.org/W2486870520","https://openalex.org/W2767526898","https://openalex.org/W2798691723","https://openalex.org/W2943743267","https://openalex.org/W2956077642","https://openalex.org/W4241986782","https://openalex.org/W4250799722"],"related_works":["https://openalex.org/W2355918356","https://openalex.org/W2390869664","https://openalex.org/W2384266374","https://openalex.org/W1987434861","https://openalex.org/W2032793426","https://openalex.org/W2143056556","https://openalex.org/W1976207803","https://openalex.org/W2381633388","https://openalex.org/W2408764942","https://openalex.org/W2355942143"],"abstract_inverted_index":{"SUMMARY":[0],"Hypericum":[1,33,105],"species":[2,8,192],"have":[3,10,109],"translucent":[4,42],"oil":[5,43,173],"cavities;":[6],"many":[7],"also":[9],"superficially":[11],"similar":[12],"black":[13],"internal":[14],"structures.":[15],"Contradictory":[16],"descriptions":[17],"of":[18,32,59,74,103,133,157,161,182],"both":[19],"structures":[20,196],"emerged":[21],"from":[22],"19th":[23],"century":[24],"studies,":[25],"which":[26,152,162],"we":[27],"review":[28],"here.":[29],"Our":[30],"study":[31],"perforation":[34],"L.":[35,107],"leaves":[36,108],"and":[37,68,127,155,178,189],"petals":[38,89],"shows":[39],"typical":[40],"schizogenous":[41],"cavities":[44,93],"that":[45,87],"develop":[46],"with":[47,197],"a":[48,64,71,131],"uniseriate":[49],"epithelium.":[50],"Black":[51],"structures,":[52],"in":[53,175],"contrast,":[54],"are":[55,90],"nodules,":[56,95],"each":[57],"composed":[58,101],"several":[60],"large":[61,114],"cells":[62,78,142,154,158,168,183],"lacking":[63],"central":[65,141],"intercellular":[66],"space":[67],"surrounded":[69,129],"by":[70,119,130],"biseriate":[72],"sheath":[73,132],"flattened":[75,137,188],"cells.":[76],"Nodule":[77],"accumulate":[79],"black,":[80],"granular,":[81],"but":[82],"non\u2010resinous":[83],"contents.":[84],"The":[85,140],"\u2018streaks\u2019":[86],"traverse":[88],"elongate":[91],"tubular":[92],"or":[94,171],"except":[96],"for":[97],"some":[98,160],"chimerical":[99],"tubes":[100],"partly":[102],"each.":[104],"balearicum":[106],"bulging,":[110],"pustular":[111],"cavities.":[112],"A":[113],"cellular":[115],"nodule":[116],"forms":[117],"first,":[118],"non\u2010synchronous":[120],"cell":[121,138],"divisions":[122],"within":[123],"the":[124,176,179],"leaf":[125],"mesophyll,":[126],"is":[128,184],"two":[134],"to":[135,146,164,187],"three":[136],"layers.":[139],"then":[143],"separate":[144],"unevenly":[145],"form":[147],"an":[148],"irregular":[149,186],"cavity":[150],"into":[151],"isolated":[153],"clusters":[156],"intrude,":[159],"continue":[163],"divide":[165],"as":[166],"other":[167],"degenerate.":[169],"Little":[170],"no":[172],"accumulates":[174],"cavity,":[177],"peripheral":[180],"lining":[181],"very":[185],"empty.":[190],"Both":[191],"studied":[193],"exhibit":[194],"secretory":[195],"previously":[198],"undescribed":[199],"anatomical":[200],"features.":[201]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2016-06-24T00:00:00"}