Publication Information

{'id': 'https://openalex.org/W2025232263', 'doi': 'https://doi.org/10.1086/297217', 'title': 'Virginianthus calycanthoides gen. et sp. nov.-A Calycanthaceous Flower from the Potomac Group (Early Cretaceous) of Eastern North America', 'display_name': 'Virginianthus calycanthoides gen. et sp. nov.-A Calycanthaceous Flower from the Potomac Group (Early Cretaceous) of Eastern North America', 'publication_year': 1994, 'publication_date': '1994-11-01', 'ids': {'openalex': 'https://openalex.org/W2025232263', 'doi': 'https://doi.org/10.1086/297217', 'mag': '2025232263'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1086/297217', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S85490461', 'display_name': 'International Journal of Plant Sciences', 'issn_l': '1058-5893', 'issn': ['1058-5893', '1537-5315'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315672', 'host_organization_name': 'University of Chicago Press', 'host_organization_lineage': ['https://openalex.org/P4310315690', 'https://openalex.org/P4310315672'], 'host_organization_lineage_names': ['University of Chicago', 'University of Chicago Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5076976005', 'display_name': 'Else Marie Friis', 'orcid': 'https://orcid.org/0000-0001-7587-9687'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Else Marie Friis', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5032449957', 'display_name': 'Helena Eklund', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Helena Eklund', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5011667185', 'display_name': 'Kaj Raunsgaard Pedersen', 'orcid': 'https://orcid.org/0000-0003-3038-0967'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Kaj Raunsgaard Pedersen', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5009617925', 'display_name': 'Peter R. Crane', 'orcid': 'https://orcid.org/0000-0003-4331-6948'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Peter R. Crane', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 5.839, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 111, 'citation_normalized_percentile': {'value': 0.999848, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 96, 'max': 97}, 'biblio': {'volume': '155', 'issue': '6', 'first_page': '772', 'last_page': '785'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10385', 'display_name': 'Plant Diversity and Evolution', 'score': 0.9995, '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': 0.9995, '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/T10487', 'display_name': 'Plant and animal studies', 'score': 0.9927, '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': 0.9914, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/perianth', 'display_name': 'Perianth', 'score': 0.95432353}, {'id': 'https://openalex.org/keywords/tepal', 'display_name': 'Tepal', 'score': 0.81032884}], 'concepts': [{'id': 'https://openalex.org/C201413069', 'wikidata': 'https://www.wikidata.org/wiki/Q504930', 'display_name': 'Perianth', 'level': 4, 'score': 0.95432353}, {'id': 'https://openalex.org/C201401135', 'wikidata': 'https://www.wikidata.org/wiki/Q588964', 'display_name': 'Gynoecium', 'level': 4, 'score': 0.86051583}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.84468347}, {'id': 'https://openalex.org/C29607441', 'wikidata': 'https://www.wikidata.org/wiki/Q756954', 'display_name': 'Tepal', 'level': 4, 'score': 0.81032884}, {'id': 'https://openalex.org/C2780618852', 'wikidata': 'https://www.wikidata.org/wiki/Q79932', 'display_name': 'Pollen', 'level': 2, 'score': 0.7914574}, {'id': 'https://openalex.org/C29172406', 'wikidata': 'https://www.wikidata.org/wiki/Q103129', 'display_name': 'Stamen', 'level': 3, 'score': 0.66784066}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.64414793}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1086/297217', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S85490461', 'display_name': 'International Journal of Plant Sciences', 'issn_l': '1058-5893', 'issn': ['1058-5893', '1537-5315'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315672', 'host_organization_name': 'University of Chicago Press', 'host_organization_lineage': ['https://openalex.org/P4310315690', 'https://openalex.org/P4310315672'], 'host_organization_lineage_names': ['University of Chicago', 'University of Chicago Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/14', 'display_name': 'Life below water', 'score': 0.44}, {'id': 'https://metadata.un.org/sdg/15', 'display_name': 'Life on land', 'score': 0.4}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W3198610197', 'https://openalex.org/W3136968157', 'https://openalex.org/W3094404071', 'https://openalex.org/W271495081', 'https://openalex.org/W2378801496', 'https://openalex.org/W2064712714', 'https://openalex.org/W2059611466', 'https://openalex.org/W2051597564', 'https://openalex.org/W2042200693', 'https://openalex.org/W2032950496'], 'abstract_inverted_index': {'We': [0], 'describe': [1], 'a': [2, 29], 'new': [3], 'well-preserved': [4], 'fossil': [5, 183], 'flower,': [6], 'Virginianthus': [7], 'calycanthoides': [8], 'gen.': [9], 'et': [10], 'sp.': [11], 'nov.,': [12], 'from': [13, 186], 'the': [14, 41, 44, 55, 59, 74, 94, 99, 117, 128, 153, 157, 168, 175, 182, 194], 'Early': [15], 'Cretaceous': [16], '(Early': [17], 'or': [18], 'Middle': [19], 'Albian)': [20], 'of': [21, 43, 54, 63, 80, 144, 156, 167, 178, 193], 'Virginia.': [22], 'The': [23, 34, 77, 87, 140, 159], 'flower': [24, 56, 160], 'is': [25, 61, 103, 142, 161], 'multipartite': [26], 'and': [27, 36, 47, 91, 113, 115, 133, 173, 199], 'has': [28], 'distinct,': [30], 'deep': [31], 'floral': [32, 45], 'cup.': [33], 'perianth': [35, 60], 'androecium': [37, 78, 132], 'are': [38, 89, 111, 135, 189], 'borne': [39, 97, 148], 'on': [40, 73, 152], 'rim': [42], 'cup': [46], 'arranged': [48], 'in': [49, 127, 149, 181, 191], 'several': [50, 150], 'crowded': [51], 'series.': [52], 'Reconstruction': [53], 'indicates': [57], 'that': [58], 'composed': [62, 143], 'about': [64], '12': [65], 'closely': [66, 83, 162], 'spaced': [67], 'tepals': [68], 'with': [69, 93], 'apically': [70], 'directed': [71], 'hairs': [72], 'abaxial': [75, 100], 'surface.': [76, 101], 'consists': [79], 'approximately': [81, 145], '30-40': [82], 'spaced,': [84], 'sessile': [85], 'stamens.': [86], 'anthers': [88], 'dithecate': [90], 'tetrasporangiate,': [92], 'pollen': [95, 120, 195, 200], 'sacs': [96], 'toward': [98], 'Dehiscence': [102], 'extrorse': [104], 'through': [105], 'laterally': [106], 'hinged': [107], 'valves.': [108], 'Pollen': [109], 'grains': [110], 'monocolpate': [112], 'reticulate': [114], 'resemble': [116], 'previously': [118], 'described': [119], 'species': [121], 'Clavatipollenites': [122], 'minutus': [123], 'Brenner.': [124], 'Sterile': [125], 'structures': [126], 'transition': [129], 'zone': [130], 'between': [131], 'gynoecium': [134, 141], 'interpreted': [136], 'as': [137], 'inner': [138, 154], 'staminodes.': [139], '18-26': [146], 'carpels': [147], 'series': [151], 'surface': [155], 'hypanthium.': [158], 'comparable': [163], 'to': [164], 'extant': [165, 187], 'members': [166], 'family': [169], 'Calycanthaceae': [170, 188], '(including': [171], 'Idiospermum)': [172], 'constitutes': [174], 'earliest': [176], 'documentation': [177], 'calycanthoid': [179], 'features': [180], 'record.': [184], 'Differences': [185], 'mainly': [190], 'details': [192], 'sacs,': [196], 'anther': [197], 'dehiscence,': [198], 'morphology.': [201]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2025232263', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 4}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 5}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 6}, {'year': 2017, 'cited_by_count': 4}, {'year': 2016, 'cited_by_count': 2}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 7}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2025-01-02T22:12:33.611525', 'created_date': '2016-06-24'}