The Collaborative International Dictionary
Involucral
Involucral \In`vo*lu"cral\, a. [Cf. F. involucral.] Pertaining to, possessing, or like, an involucrum.
Wiktionary
involucral
a. Pertaining to, possessing, or like, an involucrum.
Usage examples of "involucral".
Those sharp little jobbies are mistletoe stems and the involucral bracts of gumweed.