Floral (Angiosperm)
| Flower & Plant Sexuality 1 | Unisexual & Bisexual Flowers(Sub-dioecious) |
|---|---|
| Flower Location | Axillary |
| Individual Flower Shape | Trumpet-shaped |
| Inflorescence Type | Raceme |
| Flowering Period | Free-Flowering |
What is the type of papaya flower?
Papaya is a polygamous plant three basic types of flowers viz. staminate, pistillate and hermaphrodite (bisexual). Of these, only pistillate is stable, whereas flowers of hermaphrodite and male vary in sex expression under different environmental conditions.
Is papaya flower regular or irregular?
Bisexual flowers of Carica papaya range from highly regular flowers to morphs with various fusions of stamens to the ovary.
Is papaya a complete flower?
Papaya is an incomplete flower. Because it does not have all the parts of a flower.It either has pistil(female part) or it has stamens (male part). So a papaya flower can be a female or male flower.
Is papaya a self pollinated flower?
So, papaya can be classified as a facultative self-pollinating species, that is, self-pollinating with a low cross pollination rate (Cruden, 1977). Pollen:ovule ratio reflects the probability of the pollen grains reaching the stigma, resulting in maximum seed production.
Is papaya flower a unisexual flower?
In papaya, the male flowers have stamens while the female flowers have pistils. Male and female flowers are borne in different plants. Hence, the flowers are unisexual and the plants are dioecious as all the flowers that a plant bears are either male or female flowers.
Is papaya a Monosexual flower?
Answer the following questions: Ans 1) Monosexual flower- The flowers that contain either pistil or stamens are called monosexual flowers. They are also called unisexual flowers. Ex- papaya, pumpkin, watermelon etc.
What are the example of irregular flower?
Examples of irregular flowers include: plants in the pea family, orchids, most violets.
What is regular or irregular flower?
The parts (whorls) of a regular flower, i.e., the calyx, corolla, androecium, and gynoecium, are arranged symmetrically around the floral axis. In an irregular flower, the petals and sepals are not uniform in shape and they are arranged around the floral axis in an irregular fashion, i.e., asymmetrically.
What is regular flower and irregular flower?
1. The whorls or parts of a regular flower, that is, the corolla, calyx, gynoecium, and androecium are aligned symmetrically around the floral axis. 1. In an irregular flower, the sepals and petals are not uniform in configuration and they are aligned around the floral axis asymmetrically or irregularly. 2.
Which is incomplete flower?
Answer. An incomplete flower is defined as a flower missing any of its parts in its natural form, i. e. petals, sepals, stamens or pistils. A related term is “imperfect flower” indicating flowers that lack either stamens or pistils.
Which is a complete flower?
A flower having sepals, petals, stamens, and pistils is complete; lacking one or more of such structures, it is said to be incomplete. Stamens and pistils are not present together in all flowers.
Is papaya a female flower?
There are two distinct papaya plant types. Most cultivars are dioecious having both male and female flowers on separate plants and require both plants to produce fruit.
Why papaya is not self-pollinated?
Solution : Papaya is a unisexual plant and male and female flowers are separate. Hence, self -pollination is not possible.
What is self-pollination example?
Plants with smaller flowers use self-pollination. Peanuts, wheat, apricots, rice, tomatoes are some examples of self-pollinating plants.
What are examples of cross pollination?
The examples of the cross-pollinated plants are grasses, maple trees, tomato etc. In tomatoes the pollen grains are transmitted by the bees or the insects. Except tomato, all other plants given in the options are self-pollinated plants.
What is example of unisexual flower?
Unisexual flowers: Coconut flowers, Papaya, Watermelon, Cucumber, Maize, White mulberry, Musk melon,Castor bean, Marrow, Luffa, Snake gourd, Bitter gourd, Tapioca, Pumpkin, American holly, Birch, Pine, Gopher purge, Tungoil bean.
What is the unisexual flower?
The flower that has only male or female reproductive parts i.e., either stamens or carpels are present are unisexual flowers. Examples of unisexual flowers are Bitter gourd, papaya, pumpkin, and cucumber.
Why are unisexual flowers?
Flowers are the reproductive structures of angiosperms. The main difference between unisexual and bisexual flowers is that unisexual flowers contain male and female reproductive organs in separate flowers whereas bisexual flowers contain both male and female reproductive organs in the same flower.
What is a monosexual flower?
English: monosexual flowers (or unisexual flowers) : monoecious (male and female flowers on the same individual) and dioecious (male and female flowers on separate individuals).
Why are monosexual flower called incomplete flower?
Complete answer:
Unisexual flowers are the flowers that contain either male reproductive organs (anther) or female reproductive organs (pistil) only. They are also called incomplete flowers. They can only reproduce by cross pollination like papaya, watermelon. >