Sexual Reproduction in
Flowering Plants
Instructions:
Tarun Sir
, All examples in chapter from NCERT –
Long viability of pollen Rosaceae, Solanaceae, Leguminosaceae
Short viability of pollen Paddy and wheat
Pollen allergy Parthenium or carrot grass
Apocarpus Michelia
Syncarpus Papaver
Mutiple ovule in ovary Watermelon, Papaya and Orchids
SIngle ovule in ovary Mango, Paddy and wheat
Cleistogamous and chasmogamous flower Viola, Oxalis and commelina
Wind pollination Maize
Aquatic plant but pollination by wind and Water hyacinth and water lily
insects
pollination by water on surface Vallisneria and hydrilla (Fresh water)
Pollination by water undersurface Zostera or Sea grass
Birds perform pollination Sun bird and Humming bird
Large size biotic pollinating agent Garden lizard, Gecko lizard and Rodents
Insects pollinate with flower of foul smell Flies and beetle
Space for egg laying ,large size flower Amorphophallus (zamikand)
Symbiotic association -space for egg laying Yucca plant and moth
Outbreeding devices- Unisexual flower Maize and Castor
Unisexual flower - plant is also unisexual Papaya and Date palm
Endosperm - Coconut water -free nuclear endosperm
White edible part or kernel – cellular endosperm
Endospermous seed or albuminous Monocots- Maize, coconut, wheat and few dicots
like castor
Non-Endospermus or Ex-albuminous Dicots like pea, bean, Groundnut and Monocot
(orchids
Scutellum,coleoptile and Coleorhiza Grasses
Perisperm Beet and Black pepper
True fruit – Dry Mustard and pea
Ture fruit – fleshy Orange and Guava
False fruit Apple, cashew, and Strawberry
Parthenocarpic fruit Banana
Seeds with long viability Lupinus arcticus-10,000 years
Pheonix dactylifera -2000 years
Large number tiny seeds Striga, Orobanche, Ficus and Orchids
Apomixis Some grasses, Asteraceae members, Mango and
Citrus (by nucellus)
Polyembryony Orange
Flowering Plants
Instructions:
Tarun Sir
, All examples in chapter from NCERT –
Long viability of pollen Rosaceae, Solanaceae, Leguminosaceae
Short viability of pollen Paddy and wheat
Pollen allergy Parthenium or carrot grass
Apocarpus Michelia
Syncarpus Papaver
Mutiple ovule in ovary Watermelon, Papaya and Orchids
SIngle ovule in ovary Mango, Paddy and wheat
Cleistogamous and chasmogamous flower Viola, Oxalis and commelina
Wind pollination Maize
Aquatic plant but pollination by wind and Water hyacinth and water lily
insects
pollination by water on surface Vallisneria and hydrilla (Fresh water)
Pollination by water undersurface Zostera or Sea grass
Birds perform pollination Sun bird and Humming bird
Large size biotic pollinating agent Garden lizard, Gecko lizard and Rodents
Insects pollinate with flower of foul smell Flies and beetle
Space for egg laying ,large size flower Amorphophallus (zamikand)
Symbiotic association -space for egg laying Yucca plant and moth
Outbreeding devices- Unisexual flower Maize and Castor
Unisexual flower - plant is also unisexual Papaya and Date palm
Endosperm - Coconut water -free nuclear endosperm
White edible part or kernel – cellular endosperm
Endospermous seed or albuminous Monocots- Maize, coconut, wheat and few dicots
like castor
Non-Endospermus or Ex-albuminous Dicots like pea, bean, Groundnut and Monocot
(orchids
Scutellum,coleoptile and Coleorhiza Grasses
Perisperm Beet and Black pepper
True fruit – Dry Mustard and pea
Ture fruit – fleshy Orange and Guava
False fruit Apple, cashew, and Strawberry
Parthenocarpic fruit Banana
Seeds with long viability Lupinus arcticus-10,000 years
Pheonix dactylifera -2000 years
Large number tiny seeds Striga, Orobanche, Ficus and Orchids
Apomixis Some grasses, Asteraceae members, Mango and
Citrus (by nucellus)
Polyembryony Orange
