• (a.) Having the ribs or the veins of the leaves curved; -- called also curvinervate and curve-veined.
With curved parallel veins. ... (09 Oct 1997) ... 
Cur'vi·nerved` adjective [ Latin curvus bent + English nerve . ] (Botany) Having the ribs or the veins of the leaves curved; -- called also curvinervate and curve-veined .