plural noun
Us·​ti·​lag·​i·​na·​ce·​ae | \ˌəstəˌlajəˈnāsēˌē\

Definition of Ustilaginaceae 

: a large and economically important family of smut fungi (order Ustilaginales) that produce chlamydospores which germinate to form a several-celled promycelium either bearing terminal and lateral sporidia or forming an infection hypha

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Other Words from Ustilaginaceae

ustilaginaceous \¦⸗⸗¦⸗⸗¦nāshəs \ adjective

History and Etymology for Ustilaginaceae

New Latin, from Ustilagin-, Ustilago, type genus + -aceae

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