この Plant/Variety あなたの言語には存在しません, で見る: ไทย (th), English (en),
またはGoogle翻訳を使用する:  

Luffas are vining annual plants that produce fruits for food and the luffa sponge. The fruits of Smooth Luffa are preferred for luffa sponges. Angled luffa, L. acutangula, is the preferred species for edible fruit.

Produces smooth, round fruit.