Rivasmartinezia cazorlana sp. nov. (Apiaceae) from southern Spain

Rivasmartinezia cazorlana, from southern Spain, is newly described, illustrated, and compared with other species of the genus. The new species is characterized by a stock with abundant coarse fibres, basal leaves 4–5(–6)-ternate with the petiole shorter than the limb and acicular ultimate segments, few-rayed umbels, and mericarps with numerous vallecular and commissural vittae.