Mention any one stem character by which ginger rhizome and onion bulb are recognized as stem.
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The stem is normally divided into nodes and internodes. Rhizome of ginger is a modification of stem because it bears nodes and internodes. Rhizome is a modified stem of a plant that is usually found underground, often sending out roots and shoots from its nodes. Rhizomes are also called as creeping root stalks. Rhizomes develop from axillary buds and are diageotropic or grow perpendicular to the force of gravity. The rhizome also retains the ability to allow new shoots to grow upwards.
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