Question

Define the following terms with an example
a. Acropetal succession
b. Actinomorphic
c. Drupe
d. Perigynous flower
e. Epipetalous stamen

Answer 1

Explanation:

Acropetal succession:- arrangement of flowers on the pedicle in such a way that the new flowers and buds are at the top and older are at the bottom. example MUSTARD. Actinomorphic:- when a flower can be divided into two equal radial halves in any radial plane passing through the centre, called actinomorphic. example MUSTARD, DATURA, CHILLI. Drupe:- they develop from monocarpellary superior ovaries and are one seeded. example MANGO, COCONUT. in mango the pericarp is well differentiated into an outer thin epicarp, middle fleshy edible mesocarp and an inner stony hard endocarp. Perigynous flower:- if gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level called perigynous flower. example PLUM, ROSE, PEACH. Epipetalous stamen:- when stamen are attached to the petals they are epipetalous. example BRINJAL

Answer 2

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