Question

In racemose type of inflorescence, the subtype that exhibits all the flowers in the inflorescence are brought to the same height due to varied lengths of the pedicles and this pattern is called as
A) Capitulum or head
B) Simple umbel
C) Corymb
D) Compound umbel

Answer 1

Racemose inflorescence is that type of inflorescence in which the main axis continues to grow indefinitely and does not becomes a flower and this is the reason that it is also known as indefinite or indeterminate inflorescence.

Complete answer:
Let us explore about the racemose type and get to the answer. Racemose and cymose are the two major types of inflorescence depending upon whether or not the apex gets converted into a flower or it continues to grow.

There exist various kind of racemose inflorescence on the basis of branching, length of peduncle and presence or absence of pedicel.
With elongated main axis:
- Raceme
- Spike
- Spikelets
- Catkin
- Spadix

With shortened main axis:
- Corymb
- Umbel
- With flattened main axis-
- Capitulum

In corymb, this type of inflorescence possesses a short peduncle with pedicellate flowers. In this, all the flowers are seen at the same level. Here, the stalk of the lower flower is longer than that of the upper flower.

From the above discussion, we know that option (C) is the correct answer.

Note: The major difference that we understand when we get proper knowledge of inflorescence between racemose and cymose is the location of flowers on the main axis. In racemose the arrangement of flowers is in acropetal condition i.e. where younger flowers or buds are present at the top and so automatically the older flowers get the bottom position.