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STEM MORPHOLOGY

STEM MORPHOLOGY. Parts of Root, Stem and Leaf. Leaf tip. Shoot tip. Young leaf. Stipule. Leaf margin. Lateral vein. Axillary bud. Leaf. Midrib. Stem. Node. Petiole (leaf stalk). Internode. Leaf base. Axillary bud. Pulvinus. Abscission zone. Leaf scar. Adventitious roots.

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STEM MORPHOLOGY

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  1. STEM MORPHOLOGY

  2. Parts of Root, Stem and Leaf Leaf tip Shoot tip Young leaf Stipule Leaf margin Lateral vein Axillary bud Leaf Midrib Stem Node Petiole (leaf stalk) Internode Leaf base Axillary bud Pulvinus Abscission zone Leaf scar Adventitious roots Transition zone Soil surface Tap root Primary lateral root Root Secondary lateral root

  3. STEM MODIFICATIONS RHIZOME TUBER axillary bud internode scale leaf tuber node axillary bud adventitious roots BULB CORM scale leaf new corm terminal bud axillary bud old corm stem adventitious roots axillary bud

  4. Ginger - rhizome Potato- tuber Gladiolus - corm Onion - bulb

  5. RUNNER STOLON runner stolon SUCKER SUCKER sucker new rhizome old rhizome sucker

  6. Stolons Runners Banana - suckers

  7. CLADODE Asparagus cladode

  8. Thorn Stem modification Leaf modification

  9. STEM BRANCHING shoot tip/apex - Indefinite - Racemose main stem - Monopodial lateral branch Cymose/Definite dead shoottip Scorpiod (Zigzag) Helicoid (helix) Biparous Uniparous

  10. Zigzag branching

  11. TENDRILS tendrils

  12. Cymose/Definite

  13. Monopodial/Racemose/Indefinite

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