Noun:

இதழமைப்பு,

vernation தமிழ் அர்த்தத்தின் உதாரணம்:

ஆனால் இவ்வார்த்தைக்கு இதழமைப்பு எனவும் அர்த்தம் கொள்ளலாம்: அதாவது தண்டு மொட்டுக்களில் இலைகள் அமைந்துள்ள அமைப்பைக் குறிப்பதாகும்.

ஏழு(மேல்) + ஏழு(கீழ்) என பதினான்கு இதழமைப்பு பொதுவாக வழக்கத்திலிருக்கிறது.

vernation's Usage Examples:

42), or are folded inwards by their margin and become induplicate; or a conduplicate leaf covers another similarly folded, which in turn covers a third, and thus the vernation is equitant (fig.

The leaves have a definite relation to each other in the bud, being either opposite, alternate or verticillate; and thus different kinds of vernation are produced.

38), as in vine and sycamore, and in leaves with radiating vernation, where the ribs mark the foldings; or it is rolled upon itself, convolute (fig.

The scales of a bud sometimes exhibit one kind of vernation and the leaves another.

The arrangement of the leaves in the bud is termed vernation or prefoliation.

In considering vernation we must take into account both the manner in which each individual leaf is folded and also the arrangement of the leaves in relation to each other.

The leaves in the bud are either placed simply in apposition, as in the mistletoe, or they are folded or rolled up longitudinally or laterally, giving rise to different kinds of vernation, as delineated in figs.

- Circinate vernation.

The different divisions of a cut leaf may be folded or rolled up separately, as in ferns, while the entire leaf may have either the same or a different kind of vernation.

The Monandreae have been subdivided into twenty-eight tribes, the characters of which are based on the structure of the anther and pollinia, the nature of the inflorescence, whether terminal or lateral, the vernation of the leaf and the presence or absence of a joint between blade and sheath, and the nature of the stem.

In botany the word is used of the praefloration or folded arrangement of the petals in a flower before expansion in the summer, contrasted with "vernation" of leaves which unfold in the spring.

Sometimes they are nearly in a circle at the same level, remaining flat or only slightly convex externally, and placed so as to touch each other by their edges, thus giving rise to valvate vernation.