Here, it gives rise to adventitious roots and a new shoot and then separates from the parent plant to grow into a new plant. The stem gets modified into a thread like leafless structures called tendrils.
56 & 57, F) Ask for details ; Follow Report by Tinaghosh 18.12.2018 Log in to add a comment Rhizomes give rise to adventitious roots from the base. It develops from a leaf axil and then grows as a short horizontal branch and produces a rosette of leaves above and adventitious roots below. Stem tubers are also the modified form of rhizomes, used for storage purposes by a pant. Thorns serve various purposes like checking evapotranspiration, defense, and climbing. The meaning of the following Underground modifications of the stem are:-Corm: It is a condensed structure which grows vertically under the soil surface. They are commonly seen in gymnosperms.
Here, the sucker arises from the basal part of a stem below the ground and runs horizontally underground for some distance before emerging obliquely upwards on the surface.
Jasmine and colocasia are plants with stolons.In some plants, the stems growing above ground are modified to perform certain functions like photosynthesis, food storage, vegetative propagation, protection, climbing, etc.A bulbil is an aerial stem modification that develops from the axillary bud of a plant or in place of an inflorescence or flower. These secondary stems are short and have close internodes so the leaves appear in clusters. Highly branched, yellow to orange, cylindrical, aromatic rhizomes are found. Examples of straggling rhizome: Ginger, turmeric.
It then grows above ground for some time and then bends towards the ground until it touches the soil. Australia and the West Indies. B. Bulb. Modifications of stem. In some plants, the stem is modified to perform other functions such as storage of food, support, vegetative propagation, and protection. It then gives rise to a new plant. : This is a short runner with one lone internode. He founded Greenmedinfo.com in 2008 in order to provide the world an open access, evidence-based resource supporting natural and integrative modalities. : These are fleshy in nature and are flattened or cylindrical branches. Peru. Adventitious roots are generally absent in tubers. Example: Pistia, eichhornia, etc.Aerial stem modifications have special functions such as protecting the plant, food storage, vegetative propagation, climbing, etc. Rhizomes store plant nutrition in the form of proteins and starches that are useful to the plant during times of environmental stress like drought.
Here, its terminal bud produces a new shoot and adventitious roots. Examples: Chrysanthemum, mentha (Pudina): It's a weak lateral stem that rises from the main stem base. Turmeric has also been found in Turmeric also spread westwards, where it was noted as a dye plant by the At the top of the inflorescence, stem bracts are present on which no flowers occur; these are white to green and sometimes tinged reddish-purple, and the upper ends are tapered.Turmeric is one of the key ingredients in many Asian dishes, imparting a mustard-like, earthy aroma and pungent, slightly bitter flavor to foods.Turmeric is used widely as a spice in South Asian and Middle Eastern cooking. Blessings spiritual warrior. However, some stems perform photosynthesis when leaves are reduced to scales or spines. - Bulb: This stem is reduced and has a disc like structure and surrounds with numerous fleshly scaly leaves.