五根草 [－－－]

Jyutping ng5 gan1 cou2
Pinyin wǔ gēn cǎo

Definitions (Wiktionary)
  1. noun, Min-Nan
    seed of the Plantago asiatica (a seed used in traditional Chinese medicine to reduce "damp-heat" and treat sexual dysfunction)
    (syn.) 车前子, 車前子