英:[və'neɪʃən]
美:[və'neɪʃən]
英:[və'neɪʃən]
美:[və'neɪʃən]
ver·na·tion
vr neI shn
幼叶卷叠式
又称 :幼叶卷叠式(foliation )
borrowed from New Latin vernātiōn-, vernātiō, from Latin vernāre "to carry on as in spring, be springlike" (verbal derivative of vernus "of spring") + -tiōn-, -tiō, suffix of deverbal nouns — more at vernal
The first known use of vernation was in 1793
1 These are the buds readying for the circinate vernation that will slowly, like a graceful dancer, unfurl fiddleheads into this year’s new fronds.
2 And if a friend of yours has a lovely garden growing in the spring, you should probably compliment them on their impressive vernation.
3 In spring the terminal buds of saplings best show the peculiarity of the tree's vernation.
4 In the restoration one side is represented in vernation, and the other in fruit.
5 When the upper part is bent down upon the lower, as the young blade in the Tulip-tree is bent upon the leaf-stalk, it is said to be Inflexed or Reclined in vernation.
6 All genuine aquatic types have leaves involute in vernation?
7 In vernation the apex of each segment is bent down with a slight curve inward.
8 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.
9 As to each leaf separately, it is sometimes straight and open in vernation, but more commonly it is either bent, folded, or rolled up.
10 Convolute, rolled up lengthwise, as the leaves of the Plum in vernation, 72.
11 Involute, in vernation, 72; rolled inwards from the edges, 97.
1 幼叶卷叠式