When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as :

  • Option 1)

    Vexillary

  • Option 2)

    Imbricate

  • Option 3)

    Twisted

  • Option 4)

    Valvate

 

Answers (2)
V Vakul

As we discussed in

Types of Aestivation -

(1) Valvate - when sepals or petals lie very close to each other without over lapping eg: mustard , calotropis

(2)  Twisted Aestivation - when one margin of petal or sepal overlaps the margin of next eg: China rose

(3) Imbricate - When both margins of one of the petals are covered by others & both margins of another one are external eg: Caesalpiniaceae

(4) Quincuncial - when two are inner & two are outer, and one is partly outer & partly inner eg: Ranunculus

(5) vexillary - posterior petal is largest & covers two lateral petal the latter in turn nearby overlap the anterior petal eg: pea

 

 

-

 

 


Option 1)

Vexillary

Incorrect Option

Option 2)

Imbricate

Correct Option

Option 3)

Twisted

Incorrect Option

Option 4)

Valvate

Incorrect Option

Imbricat

e

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