THREE NEW SPINY EUPHORBIA (EUPHORBIACEAE) SPECIES FROM WESTERN SAUDI ARABIA
2007 ◽
Vol 64
(2)
◽
pp. 117-129
◽
Keyword(s):
AbstractThree shrubby, succulent, spiny Euphorbia (Euphorbiaceae) species from western Saudi Arabia are described and illustrated as new: Euphorbia madinahensis Fayed & D.Al-Zahrani, Euphorbia saudiarabica Fayed & D.Al-Zahrani and Euphorbia taifensis Fayed & D.Al-Zahrani. Diagnostic characters, descriptions and taxonomic comments on each are given, and they are compared with closely related species. The geographical distribution of the three new species is shown.