Summary
The identity of Cosmos herzogii (Compositae: Heliantheae: Coreopsidinae), from the Department of Santa Cruz, eastern Bolivia, is discussed. Field observations of critical characters of the rootstock, anther filaments and achenes, of plants identified as Cosmos herzogii, indicated that the material does not belong to Cosmos but rather to Bidens; the relevant combination is made, an English description and a black and white illustration are provided.
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Acknowledgements
The author would like to thank John Wood in inviting him to attend one of the first seasons’ collecting trips, in 2008, into the cerrados of Eastern Bolivia as part of his second Darwin Initiative Project, ‘Conservation of the cerrados of Eastern Bolivia’ [http://www.darwincerradosdebolivia.org]. I would also like to thank John for many useful discussions, over a grape juice or ice cream, as to the distribution of several taxa in this interesting area, and Margaret Tebbs in providing the black and white illustration.
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Hind, D.J.N. The identity of Cosmos herzogii (Compositae: Heliantheae: Coreopsidinae) from Santa Cruz, Eastern Bolivia. Kew Bull 68, 505–510 (2013). https://doi.org/10.1007/s12225-013-9462-0
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DOI: https://doi.org/10.1007/s12225-013-9462-0