A spike inflorescence is that in which elongated peduncle bears sessile flowers in acropetal order. A spadix is a modified form of spike in which fleshy peduncle bears sessile flowers.
In spike whole peduncle bears flowers whereas in spadix upper sterile part of peduncle is called appendix whereas lower sterile part bears unisexual flowers .
In spike, inflorescence is not covered by spathe whereas in spadix inflorescence whole inflorescence is covered with one or more large bracts called spathes.
By: Ashwani, biology teacher, Phagwara.
In spike whole peduncle bears flowers whereas in spadix upper sterile part of peduncle is called appendix whereas lower sterile part bears unisexual flowers .
In spike, inflorescence is not covered by spathe whereas in spadix inflorescence whole inflorescence is covered with one or more large bracts called spathes.
By: Ashwani, biology teacher, Phagwara.
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