酢漿草 Creeping wood sorrel

Original, read line by line 東醫寶鑑 · Tangaek — Decoctions vol. 3

1. 性寒, 味酸, 無毒.

   Its nature is cold, its taste sour, and it has no toxicity.

2. 主惡瘡瘑瘻.

   It chiefly governs malignant sores and gwaru (creeping fistulous sores).

3. 殺諸小蟲.

   It kills all the small worms.

4. 處處有之, 生下濕地.

   It is found everywhere, growing in low, damp ground.

   HomiclubIt is a small plant whose three heart-shaped leaflets meet at one point, common at the foot of walls and in the cracks between paving stones. It folds its leaves on cloudy days and at night.

5. 小兒食之, 俗名酸車草. 《本草》

   Children eat it, and it is popularly called sanchacho (酸車草). 《Boncho (Materia Medica)》

   HomiclubChewed, it tastes sour, so children picked and ate it, and the character 酸 (sour) entered its name. In Korean it is called gwaengibap.