{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T15:04:33Z","timestamp":1777043073422,"version":"3.51.4"},"reference-count":68,"publisher":"Pensoft Publishers","license":[{"start":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T00:00:00Z","timestamp":1776988800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["PK"],"abstract":"<jats:p>\n                    A revision of Central African specimens of\n                    <jats:italic>Rhipidoglossum<\/jats:italic>\n                    has revealed two new species from the Cameroon Volcanic Line (CVL) and the lowland and peripheric forests of the Guineo-Congolian rainforest block.\n                    <jats:italic>Rhipidoglossum acuminifolium<\/jats:italic>\n                    <jats:bold>sp. nov<\/jats:bold>\n                    . is endemic to the CVL and is morphologically related to\n                    <jats:italic>R. delepierreanum<\/jats:italic>\n                    from the Western Rift Mountains. This disjunction may suggest historical connectivity or long-distance dispersal between these montane systems. Footage from Mount Cameroon recorded the settling moth\n                    <jats:italic>Afroracotis cf. squalida<\/jats:italic>\n                    (Lepidoptera, Erebidae) as a potential pollinator of\n                    <jats:italic>R. acuminifolium<\/jats:italic>\n                    , as well as numerous other plant\u2013animal interactions, including only the second documented orchid\u2013orthopteran interaction, involving nectaring by raspy crickets (Orthoptera, Gryllacrididae).\n                    <jats:italic>Rhipidoglossum acuminifolium<\/jats:italic>\n                    is preliminarily assessed here as Endangered (EN) under the IUCN Red List criteria. The morphologically allied\n                    <jats:italic>R. delepierreanum<\/jats:italic>\n                    is here newly recorded for Burundi, the Democratic Republic of the Congo (DRC), and Uganda. In turn,\n                    <jats:italic>Rhipidoglossum falcatulum<\/jats:italic>\n                    <jats:bold>sp. nov<\/jats:bold>\n                    . is described from the Central African Republic and the DRC, where it occurs in the Congolian and Central Zambezian regions, in Guineo-Congolian lowland forests and\n                    <jats:italic>muhulu<\/jats:italic>\n                    vegetation. It is preliminarily assessed as Endangered (EN), and it is also hypothesised to be phalaenophilous. These two novelties increase the species diversity of\n                    <jats:italic>Rhipidoglossum<\/jats:italic>\n                    up to 56 species in Tropical Africa and the Gulf of Guinea Islands.\n                  <\/jats:p>","DOI":"10.3897\/phytokeys.274.184429","type":"journal-article","created":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T13:28:56Z","timestamp":1777037336000},"page":"1-30","source":"Crossref","is-referenced-by-count":0,"title":["Two new species of Rhipidoglossum (Orchidaceae, Angraecinae) from Central Africa, probably pollinated by settling moths"],"prefix":"10.3897","volume":"274","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1238-493X","authenticated-orcid":true,"given":"Arthur","family":"Macedo","sequence":"first","affiliation":[{"name":"Universit\u00e9 Libre de Bruxelles, Brussels, Belgium"},{"name":"Departamento de Ci\u00eancias da Vida, Universidade de Coimbra, Coimbra, Portugal"},{"name":"Jardim Bot\u00e2nico da Universidade de Coimbra, Coimbra, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9798-5616","authenticated-orcid":true,"given":"Vincent","family":"Droissart","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Libre de Bruxelles, Brussels, Belgium"},{"name":"Universit\u00e9 de Montpellier, Montpellier, France"},{"name":"Missouri Botanical Garden, St. Louis, United States of America"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1285-6490","authenticated-orcid":true,"given":"\u0160t\u011bp\u00e1n","family":"Jane\u010dek","sequence":"additional","affiliation":[{"name":"Charles University, Prague, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8566-9728","authenticated-orcid":true,"given":"Yannick","family":"Klomberg","sequence":"additional","affiliation":[{"name":"Charles University, Prague, Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0478-2332","authenticated-orcid":true,"given":"Marcelo","family":"Trov\u00f3","sequence":"additional","affiliation":[{"name":"Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6212-0361","authenticated-orcid":true,"given":"Tariq","family":"St\u00e9vart","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Libre de Bruxelles, Brussels, Belgium"},{"name":"Missouri Botanical Garden, St. Louis, United States of America"},{"name":"Botanic Garden Meise, Meise, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8811-9895","authenticated-orcid":true,"given":"Jo\u00e3o","family":"Farminh\u00e3o","sequence":"additional","affiliation":[{"name":"Departamento de Ci\u00eancias da Vida, Universidade de Coimbra, Coimbra, Portugal"},{"name":"Universit\u00e9 Libre de Bruxelles, Brussels, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2258","published-online":{"date-parts":[[2026,4,24]]},"reference":[{"key":"184429_B1","unstructured":"African Plant Database [v. 4.0.0] (2025) Conservatoire et Jardin botaniques de la Ville de Gen\u00e8ve and South African National Biodiversity Institute, Pretoria. http:\/\/africanplantdatabase.ch [accessed 04.11.2025]"},{"key":"184429_B2","doi-asserted-by":"publisher","DOI":"10.11646\/phytotaxa.267.3.1"},{"key":"184429_B3","doi-asserted-by":"publisher","DOI":"10.5091\/plecevo.2021.1823"},{"key":"184429_B4","doi-asserted-by":"publisher","DOI":"10.3897\/zookeys.150.2109"},{"key":"184429_B5","unstructured":"Beentje H (2016) The Kew Plant Glossary, an Illustrated Dictionary of Plant Terms. 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