腋芽

1. Origins, structure, and basic meaning

• Structure: 腋芽 (えきが) is a noun for an axillary bud that develops where a leaf joins a stem.
• Basic usage: It describes a small bud growing from a leaf base or marking the location of an axillary bud in a diagram.
  • 葉の付け根から小さな腋芽が伸びていた。 — A small bud was growing where the leaf joined the stem.
  • 授業で腋芽の位置を図に描いた。 — In class, we drew the location of the axillary bud on a diagram.

2. Common pitfalls and similar expressions

• Location of the bud
  • 腋芽 specifically identifies a bud at the point where a leaf base meets the stem. 葉の付け根から marks that location as where it grows from.