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Odoardo Beccari was one of the most important Italian naturalists in the second half of the 19th century, and a pioneer in Southeast Asia wildlife exploration. His Malesian Herbarium, kept in Florence, with more than 16,000 of exsiccata and hundreds of type specimens, represents the main legacy of his travels and scientific activity. While the 100th anniversary of his death was approaching, we decided to start an in-depth inventory and study of such a fundamental collection, aimed to provide an exhaustive account of its content to the scientific community, to trace every referenced type specimen and to select the lectotypes when still lacking. The present contribution, which must be intended as the first of a hopefully long series, is dedicated to the Zingiberales, one of the most diverse angiosperm groups within the Malesian area. A total of 83 original specimens were found, for which 73 new names had been published, and 40 new lectotypes are designated here. Supplemental data for this article is available online at https://doi.org/10.1080/11263504.2021.1918786. [ABSTRACT FROM AUTHOR]

Otto Warburg (1859–1938) had a great interest in tropical botany. He travelled in South-East Asia and the South Pacific between 1885 and 1889 and brought back a considerable collection of plant specimens from this expedition later donated to the Royal Botanical Museum in Berlin. Warburg published the first comprehensive monograph on the family Pandanaceae in 1900 in the third issue of Das Pflanzenreich established and edited by Adolf Engler (1844–1930). The aim of this article is to clarify the taxonomy, nomenclature and typification of Warburg's contributions to the Pandanaceae. Considerable parts of Warburg's original material was destroyed in Berlin during World War II but duplicates survived, shared by Engler and Warburg with Ugolino Martelli (1860–1934). Martelli was an expert on the family and he assembled a precious herbarium of Pandanaceae that was later donated to the Museo di Storia Naturale dell'Università degli Studi di Firenze. Warburg published 86 new names in Pandanaceae between 1898 and 1909 (five new sections, 69 new species, five new varieties, two new combinations and five replacement names). A complete review of the material extant in B and FI led to the conclusion that 38 names needed a nomenclatural act: 34 lectotypes, three neotypes and one epitype are designated here. Twenty new synonyms are also proposed. One Freycinetia name and six Pandanus names are considered as incertae sedis. A total of 21 names published by Warburg are accepted: 11 in Freycinetia and ten in Pandanus. In addition, four names published in Pandanus by Warburg serve as the basionyms of accepted names in the genus Benstonea. Citation: Callmander M. W., Vogt R., Donatelli A., Buerki S. & Nepi C. 2021: Otto Warburg and his contributions to the screw pine family (Pandanaceae). – Willdenowia 51: 5–31. Version of record first published online on 15 February 2021 ahead of inclusion in April 2021 issue. [ABSTRACT FROM AUTHOR]

Odoardo Beccari (1843–1920) is considered to be one of the more important Italian naturalists of the nineteenth century, in particular for his pioneering explorations of the Malaysian Archipelago. During this period, he collected many thousands of botanical, zoological and ethno-anthropological specimens which are now conserved in natural history museums. Based on this conserved material, hundreds of species new to science have been described. In this study, we accurately reconstruct the travel itineraries of Beccari's first trip to Borneo (Sarawak, 1865–1868). We link modern locations to the names he used, which were Italian transliteration of the local names of the time. We place these locations in time sequence on up-to-date georeferenced topographic maps. We expect our study to be useful to botanists, zoologists, anthropologists, curators of natural history museums and to nature conservators, as it provides precious information on the fauna and flora of Sarawak in the 1860s. [ABSTRACT FROM AUTHOR]