Formulae on Morphology In Flowering Plants


 


1
The mode of arrangement of petals in floral bud with respect to other members of the same whorl is known as aestivation. When there is no overlapping of margins as in Calotropis and custard-apple, it is called valvate.If one margin of an appendage overlaps that of the next one and so on as in china rose and cotton, it is twisted. There are imbricate and vexillary types of aestivations, too.



2



   3
The endospermic seeds of castor and custard-apple contain an outer hard, blackish and mottled shell called testa or the seed coat. Castor seed has hygroscopic coruncle.



More Formulae are available as a part of the SMART Subscription



Preparation Tip for You!
Read the Tips? Now why don't you try solving a few questions in the Practice Lounge

Practice Questions Now




 
SimplyLearnt
Sign Up to see Formulae for Morphology In Flowering Plants