Asked Apr 1 2019 in Biology by RakeshSharma 734k points morphology of plants. The nodes have dry scale leaves with axillary buds.
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These are short stems with fleshy leaves as storage organs of food.
Underground stem with fleshy leaves. Some underground modified stems are as. Terminal buds also present. Ii Presence of scale leaves buds and adventitious roots at the nodes.
The rhizome stem that grows obliquely is called a root-stock rhizome and when they grow horizontally they. A naked flowering stem with or without a few scale leaves arising from an underground stem. Bulb - Short upright organ leaves modified into thick flesh scales.
The stem contains nodes and internodes but due to swelling they are not very distinct. Ginger UNDERGROUND STEMS 9. Which one of the following plant organs is responsible for process of photosynthesis A.
An underground specialized shoot with reduced disc like stem covered by fleshy leaves is. Presence of scaly leaves at nodes can be seen as eyes or scars. They are frequently fleshy and serve as organs of food storage.
Each eye can develop into a new plant Ex. The adventitious roots arise from the lower sides. Food is stored in their fleshy leaves.
Terminal buds can also be seen. You may see more than one example of some and no examples of others. A shoot arising below ground or from an old stem usually fast-growing and adventitious.
RHIZOMES - a horizontal underground stem which grow near the surface of the soil Ex. Below are some types of underground modifications of stems. Its a non-green fleshy underground stem with nodes and internodes.
A rounded fleshy underground bud that consists of a short stem with fleshy leaves. Different forms of underground stems include. A rounded fleshy underground bud that consists of a short stem with fleshy leaves Example.
Bundle scars the vascular conducting tissue that extends from the stem or into the leaf. Corms like bulbs but with no fleshy leaves attached 3. It is seen in plants such as onion garlic lily and Narcissus.
Bulbs have more than one bud where the apical bud is surrounded by the lateral bud. BULBS - a short disk-shaped underground stem with many fleshy scale leaves. It has distinct nodes and internodes.
SPECIALIZEDMODIFIED STEMS Bulbs A bulb is a short underground food-storage stem axis with extremely reduced internodes and surrounding fleshy scale leaves a. Corm A solid bulb-like underground stem without fleshy scales forms a corm. Tulips daffodils and Lilies.
Rhizome - With reduced scale like leaves. An onion is the example. The main function of the leaf is photosynthesis.
Bulbs swollen knoblike underground stems with fleshy leaves attached onions lilies tulips 2. View the stems on display and identify which ones below to the categories described above. Tuber Here the terminal of the stem is fleshy and stores food.
It is fleshy non-green underground stem. The nodes bear dry scale leaves with axillary buds. The top can generate leafy stems while the bottom can produce roots.
Rhizomes horizontal underground stems ferns irises perennial grasses 4. The stem is reduced and has a disc-like structure which surrounds with numerous fleshy scaly leaves. Underground storage stem with fleshy leaves.
Definition of stolon varies. An underground short condensed stem having outer dry scaly leaves and some inner thick fleshy scale leaves is A. These dry leaf bases help protect the.
Iii Internal structure resembles that of aerial stem and not of root. They show apical growth. Ex- Onion and Garlic.
The lateral buds give rise to new shoots and the apical bud gives rise to leaves and flowers. An underground specialised shoot with reduced disc like stem covered by fleshy leaves is APMEE 1996. Sometimes the rhizomes are condensed into solid swollen forms which are then known as corms.
Rhizomes are underground stems that grow beneath the surface of the soil. Types of underground stems. A short shoot on which flowers and fruits or leaves are borne.
It is hard as compared to bulbs. TUBERS - enlarged ends of special underground branches. Is a short vertical swollen underground stem of a plant-covered by thin sheathing leaf bases of dead leaves called scales.
Corm - Short upright hard or fleshy stems covered with thin dry papery leaves. Is a short underground stem with internal buds surrounded by fleshy leaves or leaf bases that helps the plants survive adverse environmental conditions. Many roots arise from its base.
Each tuber has several eyes. Corm It is a short upright stem covered with scaly leaves. Therefore it contains many chloroplasts and is thin to facilitate gas and water.
They are covered by dry scaly leaves. Runners and stolons horizontal stems above ground strawberries.
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