A structure and function of flower
Seed plant
I let a seed plant … flower bloom and am a plant to prepare the seed into.
The plant that an ovule is wrapped in an ovary in an angiosperm … seed plant
An example: Cole pea morning glory tulip azalea dandelions
The plant which seed bud shows in a Gymnospermae … seed plant
An example: Pine cedar ginkgo cycad
Angiosperm
The structure of the flower is pistil → stamen → petal (petal) → がくとなっている from the inside.
I have a role to protect がく … flower. In the case of a dandelion, it becomes the pappus after pollination.
The part which is outstanding with the structure of the petal (petal) … flower most.
Stamen … pollen is made; bake it, but is lucky towards a point. I am lucky to surround the pistil.
There is one in the center of the pistil … flower, and it is said with an ovary in a capital, the part of the root in a former part. Seed bud is in the ovary.
| The number of がくの | The number of petals | The number of pistils | The number of stamens | |
| Dandelion | Majority | 1(5) | 1 | 5 |
| Azalea | 1(5) | 1(5) | 1 | 5 or 10 |
| Morning glory | 1(5) | 1(5) | 1 | 5 |
| Cole | 4 | 4 | 1 | 6 |
| Cherry tree | 1(5) | 5 | 1 | Majority |
| Pea | 1(5) | 5 | 1 | 10 |
| Spiderwort | 3 | 3 | 1 | 6 |
| Iris | 3 | 3 | 1 | 3 |
| Rice | None | None | 1 | 6 |
※The number in () shows that flower びらやがくの point is divided into some.
・As for the angiosperm, pollen is pollinated about a capital.
Gymnospermae
The pine has the phosphorus piece such as the scale of the fish and coming at the same time and is in love, and there is not the がくや petal.
There is not the male flower … ovary, and it is bare, and a phosphorus piece has two seed bud.
A female flower … phosphorus piece has the bag called the theca, and pollen is in the bag.
・The Gymnospermae is that seed bud has pollen directly, and seed bud becomes the seed.
Of fruit and the seed can do it; one
The capital of the pistil have pollination … pollen. In being pollinated
- Seed bud ⇒ seed
- Ovary ⇒ fruit
のように changes.
⇐1.It is a structure from one of a plant observation 3 of various creatures⇒