noun
Themeda triandra var. japonica; a variety of kangaroo grass
A specific variety of kangaroo grass native to Japan. Botanical term; in everyday contexts, the katakana name is used.
メガルカヤは日本の草原で見られる植物です。
Megarukaya is a plant found in Japanese grasslands.
The name is a compound of 雌 (me, 'female') and 刈萱 (karukaya, 'Themeda japonica'), but the exact derivation is uncertain.