UMBRACULIFORM

Um‐brac′u‐li‐form (ŭm‐brăk″ū̍‐lĭ‐fôrm), a. [[L. umbraculum any thing that furnishes shade, a bower, umbrella (dim. of umbra a shade) + -form.]] Having the form of anything that serves to shade, as a tree top, an umbrella, and the like; specifically (Bot.), having the form of an umbrella; umbrella-shaped.