fas·tig·i·ate 
(fă-stĭjē-ĭt) also fas·tig·i·at·ed (-ē-ā′tĭd)
(fă-stĭjē-ĭt) also fas·tig·i·at·ed (-ē-ā′tĭd)adj.
Botany
Botany
Having erect, clustered, almost parallel branches, as in the Lombardy poplar.
[Medieval Latin fastīgiātus, high, from Latin fastīgium, apex, height.]
fas·tigi·ate·ly adv.
fastigiateLombardy poplars