bulbaceous
/ˈbʌlbəs/ BUL-buh-s
Definitions
1. adjective
Relating to or resembling a bulb, especially in having a bulbous base or a rounded, swollen appearance.
“The bulbaceous stems of the lily plant thrive well in well-drained soil.”
2. noun
A bulbous or swollen structure, especially in a plant.
“The bulbaceous growth on the succulent plant was a result of overwatering.”