noun
Smilax biflora var. trinervula
A variety of greenbrier; a botanical term. Usually written in katakana.
サルマメはサルトリイバラ科の植物です。
Sarumame is a plant of the Smilacaceae family.
The name likely derives from 猿 (さる, monkey) and 豆 (まめ, bean), but the exact origin is uncertain.