Two new species of Dyschoriste (Acanthaceae) from Somalia

The new species Dyschoriste bayensis, from a granitic inselberg in southern Somalia, and D. miskatensis, from open bushland on limestone in north-eastern Somalia, are described and illustrated.     

Four new species of Jatropha (Éuphorbiaceae) from Somalia

The following new species, all related to the Somali endemic Jatropha nogalensis in/. sect. Spinosa subsect. Spinosae , are described and illustrated: J. humifusa (coastal dunes of central Somalia), J. inaequispina (north-central Somalia, on limestone), and J. collina and J. spinosissima (both rocky ground in north-eastern Somalia). A hybrid between J. humifusa and the rather distantly related J. pelargoniifolia is reported.     

New species and combinations in Kleinia (Asteraceae) from the Horn of Africa

The new species Kleinia tuberculata , from open deciduous bushland on gypsum hills and gypseous limestone in northern and north-eastern Somalia, K. curvata , from evergreen bushland on limestone in northern Somalia, K. sabulosa , from deciduous bushland on sand in central Somalia, K. ogadensis , from deciduous bushland in eastern Ethiopia, K. gracilis , from dwarf bushland on limestone in north-eastern Somalia, and K. tortuosa , from alkaline plains in northern Somalia, are described, and for some of them illustrations are provided. The new combinations K. nogalensis and K. lunulata are made, and the recently described K. isabellae from eastern Ethiopia is placed in synonymy of K. lunulata.     

A new species of Campylanthus (Scrophulariaceae) from Somalia

Campylanthus reconditus sp. nov., from limestone hills in north-eastern Somalia, is described and illustrated.     

A new species of Cyphostemma (Vitaceae) from Somalia

Cyphostemma cornus-africani , sp. nov., from rocky limestone slopes in north-eastern Somalia, is described and illustrated.     

New species of Tephrosia (Fabaceae) from Somalia and Yemen

The new species Tephrosia flava , from limestone areas in north-eastern Somalia, and T. mahrana , from wadis in the deserts of south-eastern Yemen, are described and illustrated.     

A new species of Asparagus (Asparagaceae) from Somalia

Asparagus brachiatus , a new unarmed species from limestone rocks in north-eastern Somalia, is described, illustrated, and compared with A. leptocladodius and A. africanus.     

Two new species of Polygala (Polygalaceae) from Somalia

The new species Polygala praetermissa , a dwarf perennial herb growing in stony places on limestone, and P. dasanensis , a shrublet apparently confined to gypsum, are described. Both species occur in the Cal Miskaat Range in north-eastern Somalia, but P. praetermissa has a wider distribution in northern Somalia.     

Ten new species of Commiphora (Burseraceae) from Somalia

The following new species are described: Commiphora arenaria from bushland on sand in south-central Somalia, C. gardoensis from limestone slopes in the Qardho area in north-eastem Somalia, C. stellatopubescens from bushland on limestone outcrops or stony ground in the Hiiraan Region in south-central Somalia, C. spinulosa from limestone rocks on the escarpment along the Gulf of Aden in northeastern Somalia, C. lobatospathulata from bushland on sand in central and south-central Somalia, C. quercifoliola from bushland on shallow soil over limestone near Eil in north-eastem Somalia, C. chiovendana from bushland in northern and central Somalia, C. multifoliolata from limestone hills and ridges in south-westem Somalia, C. murraywatsonii from limestone outcrops near Hobyo in central Somalia, and C. kucharii from bushland on shallow soils over limestone in central and southern Somalia.     

Two new species of Acacia (Leguminosae) from north-eastern Somalia

Acacia qandalensis , sp. nov., and A. tephrophylla , sp. nov., from north-eastern Somalia, are described and illustrated. A. qandalensis grows on limestone rocks, often in steep and exposed places, and is known from 600–1400 m altitude from the Cal Miskaat Mts in the west to near Bunder Murrayha in the east. A. tephropkylla obviously has a more restricted area of distribution and is known only from stony or rocky places on limestone at 1300–1800 m altitude in the Cal Miskaat Mts, where it is the dominant woody plant over large areas. Both species are related to A. etbaica.     

A new species and new records of Helianthemum (Cistaceae) from the Horn of Africa region

Helianthemum speciosum , sp. nov., from gypsum outcrops in north-eastern Somalia, is described and illustrated. H. stipulatum is recorded for the first time from Somalia and Yemen.     

Section of tropical taxonomy: Seven new species and one new record of Polygala (Polygalaceae) from Somalia

The following new species are described: Polygala gypsophila (northern, central and southern Somalia, on gypsum), P. bariensis (northern Somalia, on limestone), P. hamarensis (coastal dunes near Mogadishu), P. argentea (central Somalia, on limestone near coast), P. gawenensis (central Somalia, on limestone), P. effusa (central Somalia and eastern Ethiopia, on sand), P. citrina (southern Somalia, on granitic outcrops). P. meonantha is reported for the first time from Somalia.     

Two new species of Abrus (Leguminosae-Papilionoideae) from Somalia

The new species Abrus baladensis , from fixed sand dunes near Mogadishu in south-central Somalia, and A. gawenensis , from limestone or sand over limestone in central Somalia, are described.     

A new species of Wellstedia (Boraginaceae) from Somalia

The new species Wellstedia robusta , from mountain ridges and slopes south-west of Qandala in north-eastern Somalia, is described and illustrated.     

New species of Boswellia and Commiphora (Burseraceae) from Somalia

The new species Boswellia globosa, from the foothills of the limestone escarpment along the Gulf of Aden in northern Somalia, and Commiphora lacerata, from a rocky limestone slope near the coast of the Indian Ocean in north‐eastern Somalia, are described and illustrated.     

Eight new species and a new record of Indigofera and Microcharis (Leguminosae-Indigofereae) from Somalia

The following new species are described: Indigofera bayensis (south-west Somalia, on sand or gravel in Acacia-Commiphora bushland), I. gypsacea (central and south-west Somalia, on gypsum), I. karkarensis (north-east Somalia, on limestone), I. lamellata (south-west Somalia, on and around granitic outcrops), I. lughensis (south-west Somalia, on gypsum), I. phymatodea (south-west Somalia, on granitic outcrops), I. scopiformis (central Somalia, on sand in Acacia-Commiphora bushland), and Microcharis nematophylla (central Somalia, on sand in Acacia-Commiphora bushland). Indigofera pseudointricata , previously known only from Socotra, is reported also from Somalia.     

Andrachne fragilis (Euphorbiaceae), a new species from Somalia

Andrachne fragilis is described from north-facing limestone rocks of the escarpment in NE Somalia.     

Two new unifoliolate species of Fagonia (Zygophyllaceae) from the Horn of Africa region, and the resurrection of F. subinermis from Iran

The new species Fagonia mahrana , from eastern Yemen and adjacent parts of Oman, and F gypsophila , from north-eastern Somalia, are described and illustrated. F subinermis , from Iran, is resurrected as a species. The three species all have unifoliolate leaves and minute stipules.     

A new species of Zehneria (Cucurbitaceae) from Somalia

The new species Zehneria somalensis , from shady limestone rocks in north-eastem Somalia, is described and illustrated.