Bent or curved inwards or upwards, of leaf margins, curved towards the adaxial surface. ... (09 Oct 1997) ... Found on http://www.encyclo.co.uk/local/20973
In·curved' (ĭn*kûvd') adjective [ Prefix in- in + curved .] (Botany) Bending gradually toward the axis or center, as branches or petals. Found on http://www.encyclo.co.uk/webster/I/40