种小名

• 禾(rice plant)RADICAL
• 中(in the middle; hit; strike)PHONO-SEMANTIC

Scattering rice seeds down the middle of a furrow is the action of sowing.

• 小(small; tiny)ASSOCIATIVE

Three tiny strokes represent fine grains of sand, conveying the meaning of "small" or "tiny."

• 夕(evening; night)ASSOCIATIVE
• 口(mouth; speech)RADICAL

When it's dark and people can't see each other, they must use their mouth to call out names to recognize one another.