Developing leaves have been divided into two zones: the upper leaf zone which, in many dicotyledonous plants, gives rise to the lamina and petiole region of the leaf, and the lower leaf zone which, in many dicotyledonous plants, develops into the leaf base region and stipules 3 .
(Developing leaves; have been divided; into two zones) (the upper leaf zone; gives; rise; to the lamina and petiole region of the leaf) (the lower leaf zone; develops; into the leaf base region) (the lower leaf zone; stipules; 3; L:in many dicotyledonous plants)
Developing leaves the upper leaf zone the lower leaf zone the lower leaf zone
have been divided gives develops stipules
into two zones
rise to the lamina and petiole region of the leaf
into the leaf base region
3 L:in many dicotyledonous plants