Modification of stems and roots with pictures and examples
Answers
Answer:
Rhizome: It is fleshy, non-green underground stem. ...
Rhizome: It is fleshy, non-green underground stem. ... Bulb: ADVERTISEMENTS: ...
Rhizome: It is fleshy, non-green underground stem. ... Bulb: ADVERTISEMENTS: ... Corm: It is a condensed form of rhizome growing in vertical direction. ...
Answer:
Some underground modified stems are as:
Rhizome:
It is fleshy, non-green underground stem. It has distinct nodes and internodes. The nodes bear dry scale leaves with axillary buds. Terminal buds also present. Adventitious roots arise from the lower side. The rhizome that grow obliquely is called root stock rhizome (e..g., Alocasia, Dryopteris, Banana etc.) and when grow horizontally is called straggling rhizome [e.g. Ginger, termeric, Cannaetc.)
tuber :
Stem tuber is a swollen tip of an underground lateral Stem (Stolon). It is covered by a corry Skin with a number small depressions called eyes’. Each eye represents a node, bearing one or more buds subtended by a leaf scar (= scale leaf). A big scar at one end (heel end) of a potato marks its attachment to the stolon. Adventitious roots are usually absent e.g., Potato.
Explanation:
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