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John Grimshaw (2024)
Recommended citation
Grimshaw, J.M. (2024), 'Petteria' from the website Trees and Shrubs Online (treesandshrubsonline.
A genus of a single species allied to Laburnum, from which it differs in the more tubular calyx, the upper lip of which is divided almost to the base (for a full description see P. ramentacea). The racemes are erect, a character that also serves to distinguish it from Laburnum. Petteria is named after Franz Petter, a Dalmatian botanist who died in 1853 (Bean 1976).