Angustifoliate \An*gus`ti*fo"li*ate\ ([a^]n*g[u^]s`t[i^]*f[=o]"l[i^]*[asl]t), Angustifolious \An*gus`ti*fo"li*ous\ ([a^]n*g[u^]s`t[i^]*f[=o]"l[i^]*[u^]s), a. [L. angustus narrow (see {Anguish}) + folium leaf.] (Bot.) Having narrow leaves. --Wright. [1913 Webster]