Abstract
Background: While working towards a taxonomic revision of the genus Lasiosiphon (Thymelaeaceae), it became clear that the current application of the name Lasiosiphon microphyllus did not correspond to the identity of the type material.Objectives: To effect the requisite nomenclatural changes.Method: Herbarium specimens from NBG and PRE as well as the type collections of L. microphyllus and Lasiosiphon suavissimus were studied.Results: Nomenclatural corrections are required for the taxa currently treated as L. microphyllus and L. suavissimus.Conclusions: Lasiosiphon microphyllus is recognised as the earliest name for the tetramerous species currently known as L. suavissimus. Gnidia kuntzei is the earliest available name for the pentamerous taxon currently treated as L. microphyllus and the new combination Lasiosiphon kuntzei (Gilg.) R.Kolokoto Magee is provided.
Highlights
Lasiosiphon Fresen. (Thymelaeaceae) is a genus of subshrubs, shrubs or small trees from Africa and Madagascar (Wright 1915)
Herbarium specimens were examined from BOL, NBG, PRE and SAM, the primary holdings of southern African flora
The name L. microphyllus is currently applied to a taxon that is widely distributed across the dry interior of South Africa (Bredenkamp 2013; Meisner 1857; Retief & Meyer 2017; Wright 1915)
Summary
Lasiosiphon microphyllus is recognised as the earliest name for the tetramerous species currently known as L. suavissimus.
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