Inga Hedberg (1927-2024) – inspirational driving force in tropical African botany for 60 years Ib Friis, Sebsebe Demissew, Mats Thulin 3-18 PDF DOI: https://doi.org/10.36253/jopt-15945
New taxa of Barleria sect. Prionitis (Acanthaceae) from the Horn of Africa biodiversity hotspot in Somalia Ellie Defty, Iain Darbyshire 19-29 PDF DOI: https://doi.org/10.36253/jopt-15729
Keetia nodulosa sp. nov. (Rubiaceae - Vanguerieae) of West-Central Africa: bacterial leaf nodulation discovered in a fourth genus and tribe of Rubiaceae Martin Cheek, Jean Michel Onana 31-46 PDF DOI: https://doi.org/10.36253/jopt-15946
Begonia abhak (section Petermannia, Begoniaceae) a new species from Lanuza, Surigao del Sur, Philippines Freddie A. Blasco, Grecebio Jonathan D. Alejandro, Danilo N. Tandang, Rosario R. Rubite 47-50 PDF DOI: https://doi.org/10.36253/jopt-15356
Additions to the ‘Flora of Borneo: The vascular plant genera’ — I: Chewlunia (Rubiaceae) and Zygogynum (Winteraceae) Sin Yeng Wong 51-52 PDF DOI: https://doi.org/10.36253/jopt-15522
Supplement to the Rubiaceae in the Flora dos Estados de Goiás e Tocantins, Brazil: Nomenclatural revision, typifications, new records, new identifications, and new combinations Piero G. Delprete 53-182 PDF DOI: https://doi.org/10.36253/jopt-15948
Quantification of the size and distribution of the only known population of Crepis pusilla (Sommier) Merxm. (Asteraceae, Cichorieae) in Malta Leanne Camilleri, Reeya Ghose Roy, Joseph Buhagiar, Sandro Lanfranco 183-189 PDF DOI: https://doi.org/10.36253/jopt-15219
