DENDROLOGY

DENDROLOGY AND SOCIETY

MORPHOLOGY AND IDENTIFICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Stem modified into flat green organs performing the functions of leaves are known as
A
phyllodes
B
phylloclades
C
scales
D
cladodes
Explanation: 

Detailed explanation-1: -In Opuntia, the stem is modified into a flattened green structure to perform the functions of leaves, (i.e., photosynthesis).

Detailed explanation-2: -Stems modified into flat green organs performing the functions of leaves are known as phylloclades.

Detailed explanation-3: -Phylloclade is a specialized photosynthetic stem present mostly in xerophytes. It is a green, flattened or cylindrical structure which has distinct nodes and internodes. The examples are Opuntia and Cocoloba.

Detailed explanation-4: -A phylloclade is a flattened, photosynthetic branch or stem that resembles or performs the function of a leaf.

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