A.3 - Morphology of reproductive organs Flashcards
Describe flowers
- Reproductive shoots
- Short internodes
- Modified bract leaves
A non-reproductive leaf
Perianth
What does a Perianth form?
Calyx → Septals
Corolla → Petals
Perigonium → Tepals
Dicot plants poses … flowers?
Heterochlamydeous
Petals and Sepals
Monocot plants poses … flowers?
Homochlamydeous
poses only Tepals
What are the two organelles of the flower?
- Perianth
- Stalk
Which part of the plant is shown?
Carpel
What kind of carpel does a gymnosperm have?
Free Carpel
What kind of carpel does an angiosperm have?
Fused Carpel
Give the components of the Pistil
- Stigma
- Style
- Ovary
Pollen grains are formed during…
Microsporogenesis
Sporophyte-forming stage → Gametophyte-forming stage
What are the ‘male’ reproductive organs of plants
Stamen with pollen-containing Anther
Filament
Can plants be bisexual?
Yes
If a plant is monosexual, and both genders are present on the same plant, it is..
Monoecious
If a plant adopts a sing gender, it is known as…
Dioecious
What are the classifications of inflorescence?
- Racemose (Spiral symmetry)
- Cymose (Axial symmetry
Seeds are formed by the…
Ovules
Fruits are formed by…
- Ovary
- Ovary Wall
Not true fruits are…
Not derived from the ovary
If a fruit has a capsule, it is termed…
Dehiscent
If the fruits contain a nut, they are termed…
Indehiscent
A dry fruit that splits into single-seeded parts when ripe
Schizocarp
What are the two kinds of shoot of dicots?
- Hypocotyl (Below the cotyledons)
- Epicotyl (Above the cotyledons)
