Vol. 80 No. 2 Suppl. (2025)
Articles

Revision of the genus Lasiacis (Griseb.) Hitchc. (Poaceae, Paniceae, Boivinellinae)

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  • Riccardo M. Baldini
Riccardo M. Baldini
Centro Studi Erbario Tropicale dell’Università, (Herbarium FT), Università degli Studi di Firenze, Via G. La Pira 4, 50121, Firenze, Italy
DOI: https://doi.org/10.36253/jopt-19154

Published 2025-11-17

Keywords

  • Boivinellinae,
  • Lasiacis,
  • Neotropics,
  • Nomenclature,
  • Paniceae,
  • Poaceae,
  • Taxonomy
    • ...More
    Less

How to Cite

Baldini, R. M. (2025). Revision of the genus Lasiacis (Griseb.) Hitchc. (Poaceae, Paniceae, Boivinellinae). Webbia, 80(2), 207–350. https://doi.org/10.36253/jopt-19154

Copyright (c) 2025 Riccardo M. Baldini

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

A taxonomic revision of Lasiacis (Griseb.) Hitchc. 47 years since the last contribution (Davidse 1978) is proposed here. Historical and recent collections across 35 herbaria have been examined. Typifications are confirmed or emended, and 8 lectotypes are here designated (see Appendix III). Vernacular nomenclature and economic and therapeutic uses are updated based on bibliographic data or on information from herbarium specimens. For each taxon examined, an iconograph supporting the main diagnostic characters is proposed. Taxa previously described as varieties, such as L. divaricata var. austroamericana, L. rugelii var. pohlii, and L. ruscifolia var. velutina are elevated to the rank of species, and L. acuminata Swallen has been resurrected as a valid species, recognizing a total of 22 taxa, 18 species and 4 varieties.

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