{"id":"https://openalex.org/W2072571250","doi":"https://doi.org/10.1111/j.1095-8339.2001.tb01102.x","title":"A morphological and anatomical survey of Virectaria (African Rubiaceae), with a discussion of its taxonomic position","display_name":"A morphological and anatomical survey of Virectaria (African Rubiaceae), with a discussion of its taxonomic position","publication_year":2001,"publication_date":"2001-09-01","ids":{"openalex":"https://openalex.org/W2072571250","doi":"https://doi.org/10.1111/j.1095-8339.2001.tb01102.x","mag":"2072571250"},"language":"en","primary_location":{"id":"doi:10.1111/j.1095-8339.2001.tb01102.x","doi":"https://doi.org/10.1111/j.1095-8339.2001.tb01102.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1095-8339.2001.tb01102.x","pdf_url":null,"source":{"id":"https://openalex.org/S159699259","display_name":"Botanical Journal of the Linnean Society","issn_l":"0024-4074","issn":["0024-4074","1095-8339"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Botanical Journal of the Linnean Society","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/A5038048301","display_name":"Steven Dessein","orcid":"https://orcid.org/0000-0002-3179-4005","observed_orcids":["https://orcid.org/0000-0002-3179-4005"]},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"S. DESSEIN","raw_affiliation_strings":["Laboratory of Plant Systematics, Institute of Botany and Microbiology, K.U. Leuven, Kasteelpark Arenberg 31, B-3001 Leuven, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Plant Systematics, Institute of Botany and Microbiology, K.U. Leuven, Kasteelpark Arenberg 31, B-3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077915688","display_name":"Steven Jansen","orcid":"https://orcid.org/0000-0002-4476-5334","observed_orcids":["https://orcid.org/0000-0002-4476-5334"]},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"S. JANSEN","raw_affiliation_strings":["Laboratory of Plant Systematics, Institute of Botany and Microbiology, K.U. Leuven, Kasteelpark Arenberg 31, B-3001 Leuven, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Plant Systematics, Institute of Botany and Microbiology, K.U. Leuven, Kasteelpark Arenberg 31, B-3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068176636","display_name":"Suzy Huysmans","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"S. HUYSMANS","raw_affiliation_strings":["Laboratory of Plant Systematics, Institute of Botany and Microbiology, K.U. Leuven, Kasteelpark Arenberg 31, B-3001 Leuven, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Plant Systematics, Institute of Botany and Microbiology, K.U. Leuven, Kasteelpark Arenberg 31, B-3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065834148","display_name":"Elmar Robbrecht","orcid":"https://orcid.org/0000-0002-3811-595X","observed_orcids":["https://orcid.org/0000-0002-3811-595X"]},"institutions":[{"id":"https://openalex.org/I1293066303","display_name":"Meise Botanic Garden","ror":"https://ror.org/01h1jbk91","country_code":"BE","type":"archive","lineage":["https://openalex.org/I1293066303"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"E. ROBBRECHT","raw_affiliation_strings":["National Botanic Garden, Domein van Bouchout, B-1860 Meise, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Botanic Garden, Domein van Bouchout, B-1860 Meise, Belgium","institution_ids":["https://openalex.org/I1293066303"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031050935","display_name":"ERIK F. SMETS","orcid":"https://orcid.org/0000-0002-9416-983X","observed_orcids":["https://orcid.org/0000-0002-9416-983X"]},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"E. SMETS","raw_affiliation_strings":["Laboratory of Plant Systematics, Institute of Botany and Microbiology, K.U. Leuven, Kasteelpark Arenberg 31, B-3001 Leuven, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Plant Systematics, Institute of Botany and Microbiology, K.U. Leuven, Kasteelpark Arenberg 31, B-3001 Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5038048301"],"corresponding_institution_ids":["https://openalex.org/I99464096"],"apc_list":{"value":2685,"currency":"GBP","value_usd":3541},"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":96},"biblio":{"volume":"137","issue":"1","first_page":"1","last_page":"29"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10385","display_name":"Plant Diversity and Evolution","score":0.9779999852180481,"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"}},"topics":[{"id":"https://openalex.org/T10385","display_name":"Plant Diversity and Evolution","score":0.9779999852180481,"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"}},{"id":"https://openalex.org/T14049","display_name":"Plant and Fungal Species Descriptions","score":0.01679999940097332,"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"}},{"id":"https://openalex.org/T12568","display_name":"Plant Taxonomy and Phylogenetics","score":0.002099999925121665,"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/rubiaceae","display_name":"Rubiaceae","score":0.9070000052452087},{"id":"https://openalex.org/keywords/plant-morphology","display_name":"plant morphology","score":0.5529999732971191},{"id":"https://openalex.org/keywords/plant-anatomy","display_name":"plant anatomy","score":0.9739999771118164},{"id":"https://openalex.org/keywords/taxonomic-position","display_name":"taxonomic position","score":0.7419999837875366},{"id":"https://openalex.org/keywords/taxonomic-key","display_name":"identification key","score":0.8270000219345093},{"id":"https://openalex.org/keywords/infraspecific-taxa","display_name":"infraspecific taxa","score":0.722000002861023},{"id":"https://openalex.org/keywords/subspecies","display_name":"subspecies","score":0.5189999938011169},{"id":"https://openalex.org/keywords/calyx-morphology","display_name":"calyx morphology","score":0.6790000200271606},{"id":"https://openalex.org/keywords/cladistics","display_name":"phylogenetic systematics","score":0.5519999861717224},{"id":"https://openalex.org/keywords/rubioideae","display_name":"Rubioideae","score":0.8840000033378601},{"id":"https://openalex.org/keywords/raphides","display_name":"raphides","score":0.8939999938011169},{"id":"https://openalex.org/keywords/seed-anatomy","display_name":"seed anatomy","score":0.9490000009536743},{"id":"https://openalex.org/keywords/placentation","display_name":"placentation","score":0.9769999980926514},{"id":"https://openalex.org/keywords/stipule-morphology","display_name":"stipule morphology","score":0.9390000104904175},{"id":"https://openalex.org/keywords/african-flora","display_name":"African flora","score":0.5099999904632568}],"concepts":[{"id":"https://openalex.org/C2780041788","wikidata":"https://www.wikidata.org/wiki/Q156569","display_name":"Rubiaceae","level":2,"score":0.8887321949005127},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.8768118619918823},{"id":"https://openalex.org/C58642233","wikidata":"https://www.wikidata.org/wiki/Q8269924","display_name":"Taxonomy (biology)","level":2,"score":0.506041944026947},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.4251599907875061},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.4121481776237488},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.2957230806350708}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1111/j.1095-8339.2001.tb01102.x","doi":"https://doi.org/10.1111/j.1095-8339.2001.tb01102.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1095-8339.2001.tb01102.x","pdf_url":null,"source":{"id":"https://openalex.org/S159699259","display_name":"Botanical Journal of the Linnean Society","issn_l":"0024-4074","issn":["0024-4074","1095-8339"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Botanical Journal of the Linnean Society","raw_type":"journal-article"},{"id":"doi:10.1006/bojl.2001.0443","doi":"https://doi.org/10.1006/bojl.2001.0443","is_oa":false,"landing_page_url":"https://doi.org/10.1006/bojl.2001.0443","pdf_url":null,"source":{"id":"https://openalex.org/S159699259","display_name":"Botanical Journal of the Linnean Society","issn_l":"0024-4074","issn":["0024-4074","1095-8339"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Botanical Journal of the Linnean Society","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":46,"referenced_works":["https://openalex.org/W160632557","https://openalex.org/W175066898","https://openalex.org/W602069162","https://openalex.org/W604996407","https://openalex.org/W1546038335","https://openalex.org/W1578094701","https://openalex.org/W1584570950","https://openalex.org/W1748853810","https://openalex.org/W1987163702","https://openalex.org/W2018474162","https://openalex.org/W2022971690","https://openalex.org/W2043379280","https://openalex.org/W2051644647","https://openalex.org/W2059692475","https://openalex.org/W2079161818","https://openalex.org/W2081113657","https://openalex.org/W2141079567","https://openalex.org/W2159496478","https://openalex.org/W2164918295","https://openalex.org/W2315518210","https://openalex.org/W2317470401","https://openalex.org/W2318998481","https://openalex.org/W2320663872","https://openalex.org/W2324955171","https://openalex.org/W2326867695","https://openalex.org/W2327114643","https://openalex.org/W2478674956","https://openalex.org/W2517355595","https://openalex.org/W2522021423","https://openalex.org/W2522063316","https://openalex.org/W2593365110","https://openalex.org/W2613247376","https://openalex.org/W2795565913","https://openalex.org/W2796592020","https://openalex.org/W2796960048","https://openalex.org/W2796966829","https://openalex.org/W2798113104","https://openalex.org/W2798691723","https://openalex.org/W4232825693","https://openalex.org/W4237169699","https://openalex.org/W4247047198","https://openalex.org/W4376096974","https://openalex.org/W6665443497","https://openalex.org/W6750723373","https://openalex.org/W6911908275","https://openalex.org/W7010042692"],"related_works":["https://openalex.org/W2104017855","https://openalex.org/W1986571607","https://openalex.org/W2796592020","https://openalex.org/W310719110","https://openalex.org/W1971387612","https://openalex.org/W2125484479","https://openalex.org/W2500608209","https://openalex.org/W2903170006","https://openalex.org/W2016805459","https://openalex.org/W2401873022"],"abstract_inverted_index":{"A":[0,40],"detailed":[1],"morphological":[2,66],"and":[3,30,73,85,116,150,157,174],"anatomical":[4],"study":[5],"of":[6,43,89,96,110,135,167,183,191],"the":[7,20,33,36,44,97,108,111,114,125,136,140,155,161,189,192],"tropical":[8],"African":[9],"genus":[10,45,98,112],"Virectaria":[11,143],"is":[12,46,68,78,99,105,129,163],"presented.":[13],"The":[14,92,120],"observations":[15],"are":[16,59,185],"used":[17],"to":[18,22,26,31,80,146,187],"characterize":[19],"genus,":[21],"propose":[23],"a":[24,158,180],"key":[25],"all":[27],"eight":[28],"species,":[29],"unravel":[32],"relationships":[34],"between":[35],"species":[37],"using":[38],"cladistics.":[39],"taxonomic":[41],"survey":[42],"also":[47],"given.":[48],"Verdcourt's":[49,82],"infraspecific":[50],"taxa":[51,184],"based":[52],"on":[53],"calyx":[54],"morphology":[55,173],"in":[56,101,124,139],"V":[57],"major":[58,86],"adopted,":[60],"but":[61],"it":[62,77],"was":[63],"found":[64],"that":[65],"distinction":[67],"correlated":[69],"with":[70,144],"ecological,":[71],"habit":[72],"distributional":[74],"differences.":[75],"Hence,":[76],"better":[79],"recognize":[81],"varieties":[83],"spathulata":[84],"as":[87],"subspecies":[88],"V.":[90],"major.":[91],"problematic":[93],"systematic":[94],"position":[95,123,159,190],"discussed":[100],"detail.":[102],"New":[103],"evidence":[104],"given":[106],"for":[107],"exclusion":[109],"from":[113,154,179],"Hedyotideae":[115],"Ophiorrhizeae":[117],"(subfamily":[118,127],"Rubioideae).":[119],"recently":[121],"proposed":[122],"Sabiceeae":[126,141,162],"Ixoroideae)":[128],"not":[130],"convincing":[131],"either,":[132],"since":[133],"none":[134],"genera":[137],"included":[138],"matches":[142],"respect":[145],"pollen,":[147],"fruit,":[148],"flower":[149],"growth":[151],"habit.":[152],"Exclusion":[153],"Rubioideae":[156],"near":[160],"supported":[164],"by":[165],"lack":[166],"raphides,":[168],"seed":[169],"anatomy,":[170],"placentation,":[171],"stipule":[172],"molecular":[175],"evidence.":[176],"Molecular":[177],"data":[178],"larger":[181],"number":[182],"needed":[186],"confirm":[188],"genus.":[193]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}