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Morphology of Plants Cheat Sheet by

Morphology of Flowering Plants Notes

Regions Of The Root

Region Of Maturation
No mitosis, root hair generate from this area
Region of Elongation
Cells of this zone gradually differ­entiate and mature
Region of Merist­ematic Activity
Cells are thin-w­alled, with dense protoplasm

Underg­round Stem Modifi­cations

Corm
Yam, Colocasia
Bulb
Garlic, Onion
Stem Tubers
Potato, Chinese Artichoke

Inflor­escence

Racemose
Mango, Neem, Gulmohar
Cymose
Jasmine, Calotr­opis, Acacia

Types of Fruits

True Fruits
Formed From Fertil­ization
Orange, Guava, Watermelon
False Fruits
Formed w/o Fertil­ization
Apple, Strawb­erry, Cashew
Simple Fruits
From Single Ovary
Orange
Aggregate Fruits
From Multiple Ovaries
Raspberry, Custard apple
Composite
From inflor­escence
pineapple, figs
Drupe Fruits
With a hard endocarp
 

Modifi­cations of The Root- Storage

Type
Exam­ples
Conical
Carrot
Fusiform
Radish
Napiform
Beetroot, Turnip
Tuberous
Mirabilis

Phyllotaxy

Spiral
China Rose, Mustard, Sunflower
Opposite
Calotr­opis, Guava
Whorled
Alstonia

Position of Flower on Pedicel

Hypogynous
Superior
Brinjal, Mustard, China Rose
Perigynous
Half- Inferior
Plum, Rose, Peach
Epigynous
Inferior
Guava, Sunflower, Cucumber

Parts of a Dicot seed

Testa
Outer seed coat
tegmen (integ­ument)
Inner seed coat
Hilum
Scar where seed was attached to the funicle
Coteledons
Gives germin­ating embryo nutrition
Plumule
Grows into shoot system
Radicle
Grows into root system
Epicotyl
Part where plumule is attached to the seed
Hypocotyl
Part where radicle is attached to the seed
 

Parts of a Monocot Seed

Seed Coat
Protects the seed
Aleurone Layer
Separates embryo from endosperm
Scutellum
Cotyle­ndons
Plumule
Grows into shoot
Radicle
Grows into root
Coleoptile
Encloses Plumule
Coleorhiza
Encloses Radicle

Sub-aerial Stem Modifi­cations

Trailers
Eupho­rbia prost­rata
Runners
Grass, Strawberry
Stolons
Mint, Jasmine
Suckers
Chrys­ant­hemum, Pineapple, Banana
Offsets
Water Hyacinth, Water Lettuce, Pistia

Modifi­cations of the Leaf

Spines
Barbarrey, Acacia, Aloe Vera
Tendrils
Grapev­ines, Pea
Insect­ivorous Plants
Venus Flytrap, Pitcher Plant

Placen­tation

Marginal
Pea
Axile
China Rose, Tomato, Lemon
Parietal
Argemon, Mustard
Free Central
Primrose, Diathus
Basal
Marigold, Sunflower
       
 

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