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Morphology Of Flowering Plants

Question

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Vexillary aestivation is characteristic of the family

Fabaceae

Asteraceae

Solanaceae

Brassicaceae

Solution

A.

Fabaceae

Vexillary aestivation of corolla is a characteristic of family - Papilionaceae in which corolla (petals) are papilionaceous. In papilionaceous corolla, the posterior petal called vexillum is largest, two lateral, curved petals are called wings and two anterior, boat-shaped petals are called keels.

Some More Questions From Morphology of Flowering Plants Chapter

Define the following terms:

(d) zygomorphic

Define the following terms:
(e) superior ovary

Define the following terms:
perigynous flower

Define the following terms:
epipetalous stamen

Define the following terms:

(a) Racemose and cymose inflorescence

Define the following terms:
(b) Fibrous root and adventitious root

Define the following terms:
(c) Apocarpous and syncarpous ovary

Draw the labelled diagram of the following:
(i) Gram seed (ii) V.S. of maize seed

Describe modifications of stem with suitable examples.

Take one flower each of the families Fabaceae and Solanaceae and write its semi-technical description. Also draw their floral diagram after studying them.

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