Noun
fleshy spore-bearing inner mass of e.g. a puffball or stinkhorn
Source: WordNetA gleba which is powdery on maturity is a feature of true puffballs, stalked puffballs and earthstars. Source: Internet
Stalked puffballs do have a stalk that supports the gleba. Source: Internet
As the spores mature, they form a mass called a gleba in the centre of the fruitbody that is often of a distinctive color and texture. Source: Internet