in Anatomy of Flowering Plants by

1 Answer

0 votes
by

The course of development in the exarch xylem differentiation is centripetal. The initial xylem elements are located away from the axis. Exarch condition is the characteristics of roots. 

Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.
...