DEFINITIONS AND KEY POINTS OF MORPHOLOGY AND PHYTOGRAPH
Root |
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The cylindrical plant organ –without chlorophyll. growing towards the gravity is called root. |
Tap root |
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The root directly raised from the seed is called tap root. |
Fibrous roots |
tap |
The long and slender tap root with Slender branches is called fibrous tap root. – |
Tuberous molts |
tap |
The thick or swollen tap roots with reserve food arc known as tuberous tap roots. |
Stem |
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The portion of the primary axis of plant which develops from which plumulc is called main stem. |
Annuals |
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The plants which live only for single grossing season are called annual& |
Biennials |
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The plants which live for two growing seasons are called biennials. |
Herb |
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An annual green small sized plant is called herb. . |
Shrub |
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The woody green plant whose main stem cannot he distinguished from its branches is called shrub. |
Tree |
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It is perennial green woody plant with a distinct upright (straight) stem of 6 led or inote is called tree. |
Trailer |
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In these plants. the stems spread out or trail on the ground. Their stein is called prostate stem. |
Rhizome |
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The elongated, horizontal. thick and fleshy underground stein is called rhizome.– |
Corm |
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The thick solid. rounded. condensed underground stem with few internodesis |
Bulb |
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A spec la Ii/cu in tic h reduced short underground stern composed of broadly conical disc is called bulb.
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Imbricate bulb |
The bulb in which leaves overlap each other at their margins is called imbricate bulb. |
Tunicated bulb |
The bulb in which leaves surround each other is called tunicated bulb. |
Stem tuber |
The smollen underground tips of branches of vertical axis which store food and use for vegetative propagation is called stem tuber. . |
Phylloclades |
Phylloclades are composed of more than one internode. . |
Cladodes |
cladodes are composed of single internode. |
Leaves |
Leaves are gredi flat structures borne on the stem or on th.: britches. |
Bracts |
The special leaf in the axil of which flower arises is called brad. . |
Bracteoles |
One or two lea present on the stalk of flower are called bra. teoles. |
Stipules |
pair of outgrowth developed at the base of the petiole of a leaf are called stipules |
Stiples |
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Phyllotaxis |
The arrment of the leaves on the stem is called Phyllotaxis |
Venation |
The arrment of the veins on the lemina is called Venation |
Reticulate venation |
The Venation in which smaller neins arise from the midrib and form network is called reticulate venation. |
Parallel venation |
In this type, the veins run parallel or nearly parallel to each other and are connected by smaller veins. |
Compound leaf |
a leaf consisting of several or many distinct parts (leaflets) joined to a single stem. |
Flower |
the finest individuals out of a number of people or things. |
Bract |
A special leaf in the axil of which flower borne is called bract. |
Thalamus |
The terminal swollen part of the flower, which bears sepals. petals, stamens and carpels, is called thalamus. |
Nectaries |
The fleshy or glandular outgrowths borne in flowers are called nectaries. |
Corona |
In some flower’s, small outgrowths or ligules are developed in a circle on the corolla. Such outgrowths are called corona |
Placentation |
The cushion like ridges inside the ovary on which ovules are attached is called placenta. The arrangement of placentas in the ovary is called placentation. |
Floral diagram |
The diagram representation of the arrangement of floral leaves on the mother axis of flower is called floral diagram. |
Floral formula |
The short symbolic representation of the various parts of flower is called floral |
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