叶序

Traditional form:

葉序

Pinyin (reading):

yèxù

Definitions:

• (botany) phyllotaxy; leaf arrangement

Characters:

• 叶 - leaf, page; surname
• 序 - order, sequence, series; preface

Traditional characters:

• 葉 - leaf, page; surname
• 序 - order, sequence, series; preface