Saturday, 13 December 2014

Asclepiadaceae Plant Family Description

Asclepiadaceae Plant Family Description

This family have 280 genera and near about 1800 species.

Distribution
This family is dominant in tropical regions mainly in south and central America. It is also well represented in PAKISTAN. Most common species is  Calatropis procera and Crptostegia grandiflora is cultivated in gardens.

Characteristics 

Habit
Mostly members are herbaceous.

Root 
They have tap root.

Leaf

They have simple leaves which are ex-stipulate. some are fleshy covered with wax. They have opposite arrangement.

Stem

They have herbaceous stem. Hoya have fleshy stem.

Inflorescence

They have two type of inflorescence.
   1. Cymose      2. Racemose
Mainly cymose inflorescence is founded. 

Flower

 Mostly flowers are Pentamerous and bi-sexual.They have succulent flowers. Their symmetry is mostly Actinomorphic. Zygomorphic is very rear. Flowers have bracts.

Calyx

They have 5 sepals,poly-sepalous and inferior

 Corolla

 5 petals which are fused and form a short tubes.

Corona 

 simple. Have 5 appendages which are attached to Staminal tube.

Androecium

Have 5 stamens. Anthers are united and form a blunt cone. This cone is attached to the head of stigma.

Gynoecium

 Mostly bicarpellary. Styles are united and form Swollen stigma heads. Ovary is mostly Superior.

Fruit

 Mostly with 2 Follicles and some time only single follicle.

Seed

Seed is usually small and have long hairs. The purpose of long hairs is for dispersal.
IMPORTANT GENERA
  • Asclepias curasssavica 
  • Oxystelma esculentum 
  •  Calotropis gigantea
  •  Stapelia variegata
  •  Hoya longifolia
  • Daemia extensa
calotropis procera diagram
calotropis procera diagram




Classification and Discription of Trianthema portulacastrum (Lonak or Qulfa)

Classification of Trianthema portulacastrum
Kingdom
Plantae
Subkingdom
Tracheobionta
Superdivision
Spermatophyta
Division
Magnoliophyta
Class
Magnoliopsida
Subclass
Caryophyllidae
Order
Caryophyllales
Family
Aizoaceae
Genus
Trianthema L
Species
Trianthema portulacastrum 
Botanical Name
Trianthema portulacastrum 

 
Trianthema portulacastrum
Trianthema portulacastrum
Plant Characteristics

Habit: Annual, Perennial
Growth Habit: Herb/Forb
Common name lonak,qulfa
Habitat: Desert, Riparian. This plant is a weed in irrigated areas.
Flower Color: Pink, Pinkish purple
Flowering Season: Summer, Fall
Height: To 39 inches (99 cm) tall, but typically less since the plants are prostrate
Description: The flowers are tiny, 5-lobed, and only open in the morning. The leaves are green, succulent, oval-shaped, and in opposite pairs of unequal size. The stems are fleshy, prostrate, and often reddish in color

Rhynchosia minima classification and description(Snout bean)

Rhynchosia minima classification
kingdom
Plantae

Angiosperm

Eudicots

Rosids
Order
Fabales
Family
Fabaceae
Sub-family
Faboideae
Tribe
Phaseoleae
Sub-tribe
Canjaninae
Genus
Rhynchosia Lour
Species
R. minima
Botanical name
Rhynchosia minima
 
Rhynchosia minima
Rhynchosia minima
It is a flowering plant and a member of legume family
Its common name is Snout-Bean and
jumby-bean.It can exist in every region
It is a Perennial Herb.
Its trailing stem have a size up-to 1.2 meters
Leaves have 3 leaflets.leaflets have 3-3.5 cm in size.
Raceme inflorescence is present in snout bean. 
Flowers are yellowish in color.
Fruit is 2 to 3 cm long
 
 

Ranunculus scleratus Classification and common name

Ranunculus scleratus

kingdom
Plantae
Division
Magnoliophyta
Class
Magnoliopsida
Order
Ranunculales
Family
Ranunculaceae
Genus
Ranunuculus
Species
R. scleratus
Botanical name
Ranunculus scleratus

Common name    Cursed Buttercup,Celery-Leaved buttercup

It is a perennial.
Its size is about 2ft.

Flowering season is MAY to SEPTEMBER
They are hermaphrodite. (Plant having male and female organs on same flower)
Flies help them in pollination.
Ranunculus scleratus

Ranunculus scleratus


Ranunculus muricatus Classification (Spiny fruit buttercup)

Ranunculus muricatus

kingdom
Plantae

Angiosperms

Eudicots
Order
Ranunculales
Family
Ranunculaceae
Genus
Ranunuculus
Species
R. muricatus
Botanical name
Ranunculus muricatus
Common name    Spinyfruit Buttercup


Ranunculus muricatus
Ranunculus muricatus

Thursday, 4 December 2014

TYPES OF ROOT


Mcqs on ROOT TYPES



 Chose the correct option
1. The principle water observing organ of plant is
    1. Leaf 2. Stomata 3. Root
2. Root without vascular bundles called as
       1. Root hair 2. Rhizoid 3. Tap root
3. Roots anchor the plant also perform function of
       1. Store food 2. Water absorb 3. Both
4. Epiphytes attach with rocks due to
       1. Arial roots 2. Leaf structure 3. None
5. Arial roots are present in
    1. Herbs 2. Climbing plants 3. Desert plant
6. Parasitic plant have special type of root
    1. Rhizoid 2. Tap root 3. Haustorial root
7. Single cells projection on roots are
    1. Root hairs 2. Pericycle 3. None
8. Roots hairs main function is
    1. Increase roots area 2. Increase water uptake 3. Both
9. Water up take in young root is rapid due to
    1. Presence of cutin 2. Absence of cutin 3. None
10. Cutin is a compound which
    1. Repeal water 2. Love water 3. None
11. Usually roots store
   1. Lipid 2. Carbohydrate 3. Fats
12. Store food help plants to
    1. Absorb more water 2. Surviving in stress 3. Both
13. Mycorhizae is the association of plant
    1. Root and fungi 2. Leaf and algae 3. Seed and bacteria
14. Legumes have association with
    1. Oxygen fixing bacteria 2. Nitrogen fixing bacteria 3. Carbon fixing bacteria
15. Root initial from
   1. Redicle 2. Plomule 3. Embryo
16. There is no Redicle in family
   1. Poaceae 2. Orchidacea 3. None
17. The primary root from secondary is root is form
      1. Tap root 2. Fibrous root 3. Adventitious root
 18. Root with no primary root and have same size
   1. Tap root 2.  Fibrous root 3. Adventitious root
19. Fat primary root have stored food
   1. Elongated tape root 2. Tuberiod root  3. None
20. Fibrous root with accumulation of nutrients called as
  1. Elongated tape root 2. Tuberiod root 3. None

21. Swollen portion of root have buds to produce a new shoot
    1. Root tuber 2. Arial root 3. Root nodule
22. Ficus produce a special type of root known as
   1. Strangling root 2.  Haustorial root 3. None
23. Tape root fused with stem and become woody
    1. Lignotuber 2. Haustorial root 3. None
24. Adventitious root which develop on trunk
   1. Prop root 2. Stilt root 3. Both
25.
Spongy, Ariel roots present in water logged soils and can’t have enough oxygen to form healthy tissue
    1. Haustorial root 2. Pneumatophores 3. Tubular roots 

Wednesday, 3 December 2014

Camellia sinensis









common name tea plant click here to download as pdf










tea plant
tea plant