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Journal article
A biogeographical appraisal of the threatened South East Africa Montane Archipelago ecoregion..
Recent biological surveys of ancient inselbergs in southern Malawi and northern Mozambique have led to the discovery and description of many species new to science, and overlapping centres of endemism across multiple taxa. Combining these endemic taxa with data on geology and climate, we propose the ‘South East Africa Montane... -
Journal article
Chlorophytum vespertinum (Asparagaceae, Anthericeae), a New Species from Zambia and Tanzania.
Chlorophytum vespertinum Vollesen from Zambia and Tanzania is described and illustrated. The species exhibits characters unique in Chlorophytum Ker Gawl.: pendulous flowers and fruits, flowers that open late in the afternoon and close before midnight, and leaves with a long-extended reflexed or recoiled tip. Its affinities are discussed in the... -
Journal article
Chemistry, taxonomy and ecology of the potentially chimpanzee-dispersed Vepris teva sp.nov. (Rutaceae) endangered in coastal thicket in the Congo Republic.
Continuing a survey of the chemistry of species of the largely continental African genus , we investigate a species previously referred to as sp. 1 of Congo. From the leaves of sp. 1 we report six compounds. The compounds were three furoquinoline alkaloids, kokusaginine (1), maculine (2), and flindersiamine (3),...