Wei Zi, a ticklish tree.

1. If a person touches it gently, he will shake the leaves immediately, shaking all over, and even making a faint "giggle" sound.

2. The flowering period is long and the flowers bloom continuously.

3. "Basis" refers to "basis" and "basis". According to the determination, the information that "every kilogram of leaves can absorb 10g sulfur and grow well" is scientifically based. Reflect the accuracy and rigor of the description language.

(1) environmental purification (2) drug action