, Volume 121, Issue 5, pp 269-278

Revision ofFagonia species (Zygophyllaceae) with tri- to unifoliolate and simple leaves

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Summary

A taxonomical revision of3 Fagonia groups, viz. the complexes ofF. arabica, F. bruguieri andF. indica, including the interrelationships between their species, is presented. These complexes are characterized by their compound tri- or reduced unifoliolate leaves. Among the truly simple-leaved species, viz.F. socotrana, F. harpago andF. ovalifolia, the confusion betweenF. socotrana and some other taxa described is considered. The different patterns of the leaf trace of simple and compound tri- to unifoliolate leaves may prove to be of systematic value.