Summary Two new species are described from the proposed Mulanje-Namuli-Ribáuè Centre of Endemism. Isoglossa perdita I.Darbysh. (Acanthaceae) is apparently restricted to submontane forests southeastern Mt Mulanje in Malawi, and assessed as Critically Endangered. Agelanthus patelii Polhill & Timberlake (Loranthaceae) recorded montane Namuli Mozambique, earlier assessment this Endangered confi...