calyx-flower Flashcards
1
Q
outermost whorl of flower
A
calyx
2
Q
unit of calyx
A
sepals
free sepals - polysepalous
united sepals- gamosepalous
3
Q
eg of polysepalous
A
mustard, radish
4
Q
eg of gamosepalous
A
datura, cotton, china rose , brinjal
5
Q
function of calyx
A
protects inner whorls and do photosynthesis
6
Q
modification of calyx
A
trapa - modified into spine ->protects fruit
mussainda -> one sepal enlarges and attracts insects for pollination->advertising organ
compositae->astraceae->like sunflowers hair like structure->pappus helps in dispersion of fruit
in brinjal chilli cotton datura , corolla persistent
