CONTRIBUTION TO THE FLORA OF SAUDI ARABIA PART II, A REVISION OF THE FAMILY SOLANACEAE

Abstract

The family Solanaceae in the Kingdom of Saudi Arabia has. been revised. It is represented by 43 taxa distributed in 11 genera (including 12 cultivated species). Two new status viz., Solanum incanum L. var. unguicülaiim (A. Rich) Abedin, Al-Yahya, Chaudhary & Mossa and Withania somnifera (L.) Dun subsp obtusifolia (Tackh.) Abedin, Al-Yahya, Chaudhary & Mossa has been suggested and five taxa recorded for the first time are Solanum auguivi Lam. , S. cordatum Forsk., S. eke.ifolium Cav., mthania somnifera (L.) Dun. subsp, obtusifolia (Tackh.) Abedin, Al-Yahya, Chaudhary & Mossa and Datura ferox L. There is an increase of 5 genera with 27 taxa and 6 genera with 22 taxa respectively against previous reports (Migahid, 1978; Collenette, 1985). Key to genera, species their descriptions and geographical distribution are given.