輪りん生せい

り

ん

せ

い

Meanings

1

noun, noun or participle which takes 'suru', intransitive verb

whorled arrangement; verticillation

botany

Botanical term for leaves or other organs arranged in a whorl around a stem. Used as a noun or with する to describe the state of being whorled.

この植しょく物ぶつの葉はは輪りん生せいしている。
The leaves of this plant are arranged in whorls.
輪りん生せい葉

よう

序じょ

は

、

節せつ

に

3

枚まい

以い

上じょう

の

葉は

が

つく

配はい

置ち

です

。

Whorled phyllotaxis is an arrangement where three or more leaves are attached at a node.

Kanji

輪wheel, ring, circle
生life, genuine, birth

Similar words

互ご生せい
互生 means alternate leaf arrangement, where leaves are attached singly at each node, in contrast to 輪生's whorled arrangement.
対たい生せい
対生 means opposite leaf arrangement, with two leaves per node, while 輪生 has three or more.

Etymology

Compound of 輪 (ring, wheel) and 生 (life, growth), referring to growth in a ring-like pattern. The exact historical derivation is uncertain; the term is used in modern botanical contexts.