Two new combinations, lectotypifications and a new name for Costa Rican Palicourea s.l.

Berger, Andreas

doi:10.3897/phytokeys.80.13330

Cited by 4 publications

(4 citation statements)

References 33 publications

(31 reference statements)

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“…Heteropsychotria to Palicourea (e.g. Berger 2017Berger , 2018Delprete & Lachenaud 2018; Hollowell 2016; Taylor et al 2010;Taylor 2015aTaylor , 2015bTaylor , 2017Taylor , 2018Taylor , 2019aTaylor , 2019b. The new generic concepts within Palicoureeae and Psychotrieae are now widely accepted in floristic and systematic literature (e.g.…”

Section: Taxonomy Of the Genus Palicoureamentioning

confidence: 99%

Alkaloid diversification in the genus Palicourea (Rubiaceae: Palicoureeae) viewed from a (retro-)biogenetic perspective

et al. 2021

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The species-rich genus Palicourea (Rubiaceae: Palicoureeae) is source of an intriguing diversity of alkaloids derived from tryptamine and its precursor tryptophan. So far simple tryptamine analogues, polypyrroloindoline, β-carboline, and, most importantly, monoterpene-indole, i.e., tryptamine-iridoid alkaloids of various structural types including javaniside, alstrostine and strictosidine derivatives have been identified. Here the diverse alkaloids that numerous studies have found in the genus are examined and organized according to their structures and biosynthetic groups. Using a parsimony-based approach that follows the concept of retro-biogenesis usually applied in synthetic chemistry, possible biosynthetic pathways are proposed and important steps and relationships between these alkaloids are highlighted. Understanding alkaloid diversification is of importance in studying the ecological significance and evolution of biosynthetic capabilities of the genus Palicourea, and should stimulate future investigations on the biochemical and genetic background.

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Section: Taxonomy Of the Genus Palicoureamentioning

confidence: 99%

Alkaloid diversification in the genus Palicourea (Rubiaceae: Palicoureeae) viewed from a (retro-)biogenetic perspective

et al. 2021

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“…Berger 2018a, b) and the consultation of recent taxonomic revisions (e.g. Berger 2017Berger , 2018bBorhidi 2011Borhidi , 2017Delprete and Kirkbride 2016;Delprete and Lachenaud 2018;Lorence and Taylor 2012;Taylor and Gereau 2013;Taylor and Hollowell 2016;Taylor et al 2010;Taylor 2001Taylor , 2005Taylor , 2014Taylor , 2015aTaylor , b, 2017Taylor , 2018Taylor , 2019a, TROPICOS (https://www.tropicos.org) and other relevant databases (e.g. JACQ, http://jacq.org; POWO, http://www.plantsoftheworldonline.org) subsequently allowed assessing the generic placement of the studied species based on the currently accepted phylogenetic framework (Nepokroeff et al 1999;Razafimandimbison et al 2014;Robbrecht and Manen 2006).…”

Section: Generic Affiliation Of Phytochemically Studied Speciesmentioning

confidence: 99%

“…Heteropsychotria have to be transferred to Palicourea, the oldest available name for the genus. Most of these combinations have already been provided in a number of recent publications (Berger 2017(Berger , 2018bBorhidi 2011Borhidi , 2017Delprete and Kirkbride 2016;Delprete and Lachenaud 2018;Taylor and Hollowell 2016;Taylor et al 2010;Taylor 2015aTaylor , b, 2017Taylor , 2018Taylor , 2019a, but many species still lack a formal name under Palicourea pending future studies.…”

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A revised classification of the sister tribes Palicoureeae and Psychotrieae (Rubiaceae) indicates genus-specific alkaloid accumulation

et al. 2021

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Tribes Palicoureeae and Psychotrieae (Rubiaceae, Gentianales) are complex and speciose sister groups with a pantropical distribution. Since the initial studies on ipecacuanha more than two centuries ago, species of the group have been subject to numerous phytochemical studies yielding diverse specialized ("secondary") metabolites, most of them alkaloids. However, the generic limits within the tribes have long been unclear and only recently, monophyletic genera have been delimited and segregated from a once broadly circumscribed Psychotria. Thus, a phylogeny-based and taxonomically updated review of phytochemical literature was performed which allowed assigning the bulk of phytochemical data previously reported for Psychotria to various segregate genera such as Carapichea, Eumachia and Palicourea. This review not only challenges the common perception of Psychotria as a monoterpene-indole alkaloid-rich genus. It also highlights that each of its relatives differs by accumulating specific groups of alkaloids, which is of major importance for understanding animal-plant interactions such as herbivory, as well as for drug discovery. The alkaloid complement of each of these genera is here enumerated and discussed, which should provide a framework for future studies addressing the biosynthesis, evolution, ecological and pharmacological significance of specialized metabolite differentiation in this abundant, ecologically and ethnopharmacologically important group.

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“…In addition, many species of Psychotria have been transferred to Palicourea , once thought to contain only species with conspicuous flowers adapted to hummingbird-pollination (e.g. Taylor et al 2010; Taylor 2015a, 2015b, 2017, 2018; Taylor and Hollowell 2016; Berger 2017, 2018).…”

Section: Introductionmentioning

confidence: 99%

Rediscovery of Chamisso’s type specimens of Hawaiian Psychotria (Rubiaceae, Psychotrieae) in the herbarium of the Natural History Museum, Vienna

Berger

2018

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Between 1815 and 1818, Count Nikolai Romanzoff funded an expedition of the Russian brig Rurik. Besides their primary goal to discover the Northeast Passage, their aim was to collect scientific specimens, for which the botanist Adelbert von Chamisso and the entomologist Johann Friedrich von Eschscholtz were commissioned. On the Hawaiian Islands, they collected two unknown endemic species that Chamisso and Diederich Franz Leonhard von Schlechtendal later described as Coffeakaduana and C.mariniana, both now assigned to the large and complex genus Psychotria (Rubiaceae, Psychotrieae). The private herbarium of Chamisso is now preserved at the Komarov Botanical Institute, St. Petersburg (LE). In the late 1930s, their type collections of Psychotriakaduana and P.mariniana were sent out on loan for study, but got lost in transit during the aftermath of the Second World War. No extant original material was found during a subsequent revision of Hawaiian Psychotria and both species were consequently neotypified. These neotypes are superseded by the here-reported rediscovery of original material in the herbarium of Stephan Ladislaus Endlicher preserved at the Natural History Museum, Vienna (W) and these specimens are here designated as lectotypes. As both are rather fragmentary, the former neotypes are additionally designated as epitypes. In addition, some peculiarities and details of the expedition and its collections are noted.

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Two new combinations, lectotypifications and a new name for Costa Rican Palicourea s.l.

Cited by 4 publications

References 33 publications

Alkaloid diversification in the genus Palicourea (Rubiaceae: Palicoureeae) viewed from a (retro-)biogenetic perspective

Alkaloid diversification in the genus Palicourea (Rubiaceae: Palicoureeae) viewed from a (retro-)biogenetic perspective

A revised classification of the sister tribes Palicoureeae and Psychotrieae (Rubiaceae) indicates genus-specific alkaloid accumulation

Rediscovery of Chamisso’s type specimens of Hawaiian Psychotria (Rubiaceae, Psychotrieae) in the herbarium of the Natural History Museum, Vienna

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