Most species in this group also have a bulbous base.

The stem is roughly cylindrical, often with thicker, somewhat bulbous base.

If the bulbous bases are detached and replanted they can give rise to new plants.

Often tapered to a bulbous base, it can be stuffed to hollow at maturity.

The stem is long, slim, and usually has a bulbous base.

The concept is realistic: four green leaves arch up from the bulbous white base.

The stem has a bulbous base covered with grayish-brown scales.

Bottle has a bulbous base tapering up to a flaring neck.

The name is misleading, as plants do not have a bulbous base.

The most distinguishing feature is that I. erubescens lacks a bulbous base.