If they are knobbed at the end, the specimen is a male, otherwise it is a female or as yet immature.
The roots are knobbed and fibrous; and the stems are twisted and knobbed in a wild state.
He has horns like the catfish, and is knobbed like a bludgeon-squash.
The plants and bushes around me were knobbed all over with wax-green buds.
He shuffled on his hat and caught firm ...