{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,30]],"date-time":"2025-05-30T04:07:26Z","timestamp":1748578046690,"version":"3.41.0"},"reference-count":39,"publisher":"Pensoft Publishers","license":[{"start":{"date-parts":[[2025,5,29]],"date-time":"2025-05-29T00:00:00Z","timestamp":1748476800000},"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>Three new species of <jats:italic>Pleurothallis<\/jats:italic>, each exhibiting prolific vegetative growth, are described from Costa Rica and western Panama. Prolification refers to the development of a vegetative bud from the axil of a bract within the floral meristem, a frequent condition in the Pleurothallidinae, where it manifests as a new ramicaul developed from the apex of a previous ramicaul. Prolification can be either constitutive or facultative, the latter occurring mostly under stress-induced, non-optimal growing conditions. The three new species are found at high elevations, between 1400 and 2550 m, in humid, dense, mossy conditions on the Talamanca range, where they naturally produce prolific growths on the ramicaul apex that sever from the plant with time. <jats:italic>Pleurothallis matrisilvae<\/jats:italic><jats:bold>sp. nov.<\/jats:bold> superficially resembles <jats:italic>P. bothros<\/jats:italic>, but may be distinguished by the prolific habit, thin ramicauls, typically bearing 1\u20132 open flowers, the longer flower segments, the lanceolate petals, and the black flecks on the pedicel, ovary, and external surface of the sepals. <jats:italic>Pleurothallis pridgeoniana<\/jats:italic><jats:bold>sp. nov.<\/jats:bold> is similar to <jats:italic>P. vinealis<\/jats:italic> but distinguished by the significantly shorter plants and ramicauls, the much smaller yellow flowers with a rose to purple suffusion, and the triangular-ovate lip with glandular margins and lacking a central sulcus. <jats:italic>Pleurothallis winkeliana<\/jats:italic><jats:bold>sp. nov.<\/jats:bold>, closely resembles <jats:italic>P. longipetala<\/jats:italic>, but differs by the occasionally prolific plant that produces clumps of ramicauls, the comparatively broader, cordate leaves with overlapping basal lobes, the smaller flower, and the pendent lip, perpendicular to the column.<\/jats:p>","DOI":"10.3897\/phytokeys.256.140316","type":"journal-article","created":{"date-parts":[[2025,5,29]],"date-time":"2025-05-29T14:55:39Z","timestamp":1748530539000},"page":"197-220","source":"Crossref","is-referenced-by-count":0,"title":["Three new species of Pleurothallis (Orchidaceae) from Costa Rica and Panama, with a note on asexual reproduction by prolification in Pleurothallidinae"],"prefix":"10.3897","volume":"256","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5987-7710","authenticated-orcid":true,"given":"Adam P.","family":"Karremans","sequence":"first","affiliation":[{"name":"Universidad de Costa Rica, Cartago, Costa Rica"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6780-8395","authenticated-orcid":true,"given":"Franco","family":"Pupulin","sequence":"additional","affiliation":[{"name":"Harvard University Herbaria, Massachusetts, United States of America"},{"name":"The Marie Selby Botanical Gardens, Florida, United States of America"},{"name":"Universidad de Costa Rica, Cartago, Costa Rica"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-2868-9248","authenticated-orcid":true,"given":"John","family":"Gange","sequence":"additional","affiliation":[{"name":"University of Vermont, Vermont, United States of America"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8408-8841","authenticated-orcid":true,"given":"Diego","family":"Bogar\u00edn","sequence":"additional","affiliation":[{"name":"Naturalis Biodiversity Center, Leiden, Netherlands"},{"name":"Universidad Aut\u00f3noma de Chiriqu\u00ed, Chiriqu\u00ed, Panama"},{"name":"Universidad de Costa Rica, Cartago, Costa Rica"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2258","published-online":{"date-parts":[[2025,5,29]]},"reference":[{"key":"140316_B1","author":"Aiton","year":"1813"},{"key":"140316_B2","doi-asserted-by":"publisher","DOI":"10.5962\/p.388177"},{"key":"140316_B3","doi-asserted-by":"publisher","DOI":"10.3390\/plants13101363"},{"key":"140316_B4","doi-asserted-by":"publisher","DOI":"10.15517\/lank.v24i2.60686"},{"key":"140316_B5","author":"Bell","year":"2008","journal-title":"Plant form: An illustrated guide to flowering plant morphology."},{"key":"140316_B6","doi-asserted-by":"publisher","DOI":"10.1016\/j.ympev.2018.07.014"},{"key":"140316_B7","doi-asserted-by":"publisher","DOI":"10.1111\/tpj.15306"},{"key":"140316_B8","doi-asserted-by":"publisher","DOI":"10.1139\/b56-022"},{"key":"140316_B9","doi-asserted-by":"publisher","DOI":"10.15517\/lank.v16i2.26008"},{"key":"140316_B10","doi-asserted-by":"publisher","DOI":"10.3100\/hpib.v28iss1.2023.n7"},{"key":"140316_B11","first-page":"111","article-title":"Pleurothallis adventurae (Orchidaceae: Pleurothallidinae), eine neue art aus einer unerforschten region in Costa Rica.","volume":"18","author":"Karremans","year":"2011","journal-title":"OrchideenJournal"},{"key":"140316_B12","doi-asserted-by":"publisher","DOI":"10.11646\/phytotaxa.349.2.10"},{"key":"140316_B13","author":"Karremans","year":"2020","journal-title":"Pleurothallids Neotropical Jewels - Volume I."},{"key":"140316_B14","doi-asserted-by":"publisher","DOI":"10.1007\/s00606-012-0712-7"},{"issue":"3","key":"140316_B15","first-page":"133","article-title":"A revision of some sections of subgenus Pleurothallis.","volume":"3","author":"Luer","year":"1988","journal-title":"Lindleyana"},{"key":"140316_B16","first-page":"1","article-title":"Icones pleurothallidinarum IX. 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