Definition of urena
1
capitalized
: a small genus of tropical herbs or shrubs (family Malvaceae) having small yellow flowers with five connate bracts, bearing fruit with hooked bristles, yielding a medicinal mucilaginous juice, and including a coarse weedy herb (U. lobata) sometimes cultivated for its fiber which is comparable to jute
2
plural -s
a
: any plant of the genus Urena (especially U. lobata)
b
or
urena lobata
\-lōˈbātə, -bätə\
: the cordage fiber derived from the urena (U. lobata)
