Flora of Cameroon: Annonaceae Vol 45 available in print, as well as Open Access format with PhytoKeys

While every Flora publication is an incredibly valuable scientific resource, Vol. 45 is the first in the series to be made available in digital format, following its publication in the open-access journal PhytoKeys

The 45th volume of the Flora of Cameroon pilots a novel “Flora” section in the journal to promote accessibility and novelty in plant taxonomy

Dedicated to Annonaceae, the 45th volume of the Flora of Cameroon is the result of over 15 years of work on the systematics of this major pantropical group, commonly known as the Custard apple family or the Soursop family, and its diversity in one of the most biodiverse African countries, whose flora has remained understudied to this date.

In their publication, the authors: Thomas L. P. Couvreur, Léo-Paul M. J. Dagallier, Francoise Crozier, Jean-Paul Ghogue, Paul H. Hoekstra, Narcisse G. Kamdem, David M. Johnson, Nancy A. Murray and Bonaventure Sonké, describe 166 native taxa representing 163 species in 28 native genera, including 22 species known solely from Cameroon. The team also provides keys to all native genera, species, and infraspecific taxa, while a detailed morphological description and a distributional map are provided for each species.

Specimen of Uvariastrum zenkeri from Cameroon. Photo by Thomas L.P. Couvreur.

Amongst the findings featured in the paper is the discovery of a previously unknown species of a rare tree that grows up to 6 metres and is so far only known from two localities in Cameroon. As a result of their extensive study, the authors also report that the country is the one harbouring the highest number of African species for the only pantropical genus of Annonaceae: Xylopia.

While every Flora publication presents an incredibly valuable scientific resource due to its scale and exhaustiveness, what makes Volume 45 of the Flora of Cameroon particularly special and important is that it is the first in the series to be made available in digital format, following its publication in the peer-reviewed, open-access journal PhytoKeys

Available in the open-access scholarly journal PhytoKeys, the latest volume of the Flora of Cameroon features perks like displaying occurrences of treated taxa side-by-side when reading the publication in HTML.

As such, it is not only available to anyone, anywhere in the world, but is also easily discoverable and minable online, as it benefits from the technologically advanced publishing services provided by the journal that have been specially designed to open up biodiversity data. While the full-text publication is machine-readable, hence discoverable by search algorithms, various data items, such as nomenclature, descriptions, images and occurrences, are exported in relevant specialised databases (e.g. IPNI, Plazi, Zenodo, GBIF). In their turn, the readers who access the HTML version of the publication may enjoy the benefits of this semantically enriched format, as they navigate easily within the text, and access further information about the mentioned and hyperlinked taxa.

In fact, the Annonaceae contribution is the first to use the newly launched publication type in PhytoKeys: Flora.

Yet, to keep up with the much treasured tradition, the new publication is also available in print format, accompanied by its classic cover design.

In the field: Narcisse G. Kamdem (Université de Yaoundé I, Cameroon), co-author of the Flora of Cameroon – Annonaceae Vol 45. Photo by Thomas L.P. Couvreur.

When we spoke with the team behind the Flora, we learnt that they are all confident that  having the new volume in both print and open-access digital formats, is expected to rekindle the interest in the series, especially amongst younger botanists in Cameroon.

“The hybrid publication is a response to the reluctance to publish new volumes of these series. The hybrid version pioneered in Volume 45, is an opportunity for any scientist to freely access this fundamental work, and eventually use it in future studies. Also, the online and open access format is intended to stimulate botanists to author family treatments without the fear of not having their work published online in an academic journal with an Impact Factor,”

says Dr. Jean Michel Onana, editor and reviewer of the Flora, former Director of the National Herbarium of Cameroon, and a researcher at the Université de Yaoundé 1, Cameroon.

“The chosen format marks a qualitative leap in the presentation of the Flora of Cameroon and will be of interest to young botanists, who until now might have found the old presentation of the Flora unrewarding,” adds Prof. Bonaventure Sonké, last author and Head of the Biology Department of the Université de Yaoundé 1, Cameroon.

In the field: Prof. Bonaventure Sonké, last author and Head of the Biology Department of the Université de Yaoundé 1. Photo by Thomas L.P. Couvreur.

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As an extensive contribution to a previously understudied area of research, the value of the new publication goes beyond its appreciation amongst plant taxonomists.

“The Flore du Cameroun series is considered as a showcase of the National Herbarium of Cameroon, which promotes knowledge of the flora of Cameroon at all levels. Being able to identify plants and trees is the first and foremost step to addressing the issue of ill-management of forest regions in Cameroon and the Congo Basin as a whole. If planning continues to rely on badly made identification, the forecasts about our resources are not good at all,” says Prof. Jean Betti Largarde, Head of the National Herbarium of Cameroon, and Editor-in-Chief of the Flora of Cameroon.

Narcisse G. Kamdem, co-author of the Flora of Cameroon. Photo by Thomas L.P. Couvreur.

“Plant taxonomy is the basic discipline for the knowledge, conservation and sustainable management of biodiversity, including animals, plants and habitats. Young Cameroonian botanists, privileged to having such floristic richness in their country, are invited to take an interest in it. This is the field that opens the mind and makes it possible to address all other aspects of botanical research and development in relation to natural resources,”

adds Jean Michel Onana.

Research article:

Specimen of Sirdavidia solanona in its natural habitat. Photo by Thomas L.P. Couvreur.

Couvreur TLP, Dagallier L-PMJ, Crozier F, Ghogue J-P, Hoekstra PH, Kamdem NG, Johnson DM, Murray NA, Sonké B (2022) Flora of Cameroon – Annonaceae Vol 45. PhytoKeys 207: 1-532. https://doi.org/10.3897/phytokeys.207.61432

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