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The Meise Botanic Garden Herbarium Data Management Plan Meise Botanic Garden

Mathias Dillen, Laura Abraham, Ann Bogaerts, Sofie De Smedt, Henry Riley Engledow, Frederik Leliaert, Maarten Trekels, Steven Dessein, Quentin Groom
This Data Management Plan outlines a comprehensive strategy for handling, storing, and sharing of data generated by digitisation projects of the herbarium at Meise Botanic Garden with Index Herbarium code BR. Its purpose is to establish clear guidelines for both staff and external users, specifying the terms governing data usage and storage. It aims to prioritise the FAIR principles (Findable, Accessible, Interoperable and Reusable), ensure ...

Insights into the morphology and evolution of orbicules in the Spermacoce clade (Spermacoceae-Rubiaceae) and implications for systematics Meise Botanic Garden

Brecht Verstraete, Roberto Salas, Steven Dessein
The orbicules are tiny structures of sporopollenin that occur on the interior wall of anthers in several groups of plants, and they are associated with pollen grains and tapetal cells. Although their function remains still unresolved, they have been widely used in systematics. Rubiaceae is one of the most studied families in this aspect. However, scarce information is available about the orbicules in the tribe Spermacoceae, especially in the ...

A new subspecies of Spermacoce bequaertii (Rubiaceae: Spermacoceae) Meise Botanic Garden

Rogier de Kok, Steven Dessein
A new subspecies of the African species Spermacoce bequaertii is described and illustrated. This new subspecies (subsp. brevituba) is restricted to the Kasai district in the Democratic Republic of Congo, and differs from the typical subspecies in having smaller mature flowers with a glabrous corolla tube inside.

Multi-loci phylogeny and morphological evidence support the recognition of Januaria (Spermacoceae, Rubiaceae), a new monospecific genus endemic to the North of Minas Gerais (Brazil) Meise Botanic Garden KU Leuven

Mariela Florentin, Javier E. Florentin, Roberto Salas, Steven Dessein, Steven B. Janssens
Januaria is described as a new monospecific genus of Rubiaceae, based on material from Januaria, northern Minas Gerais, Brazil. The new taxon is endemic to Brazil, occurring in a vegetation type that is known locally as ``carrasco'', in the southern limit of the Caatinga biome. Morphological (including palynological and SEM analyses) and molecular phylogenetic analyses based on nuclear (ETS, ITS) and plastid (atpB- rbcL, petD, rps16, trnL-trnF) ...