There is also the Desert Rose (adenium obesium) which looks like nothing so much as a blooming elephant leg.
这里还有沙漠玫瑰（夹竹桃科），把它比作粗壮的大象腿再也合适不过了。
2
Genus and species in that order are used exclusively when referring to any plant. So instead of "Madagascar Palm" we use Pachypodium lamerei or Adenium obesum in place of "Desert Rose".