(Literally: small column): rod-like central part of an ovary that has been destroyed by some smut fungi The columella is composed of both fungal and host material (McTaggart ao, 2012a).

Sphacelotheca hydropiperis
(Literally: small column): rod-like central part of an ovary that has been destroyed by some smut fungi The columella is composed of both fungal and host material (McTaggart ao, 2012a).
Sphacelotheca hydropiperis