also: ほうせんか
noun
garden balsam; touch-me-not
Refers to the flowering plant Impatiens balsamina, commonly grown in gardens. The name 'touch-me-not' comes from the explosive seed pods.
祖母の庭には毎年ホウセンカが咲く。
Garden balsams bloom in my grandmother's garden every year.
When you touch a garden balsam seed pod, the seeds pop out.