Fruit of Rosa Laevigata Michx., family Rosaceae.
Fruit obvate, 2.2-3.5 cm long, 1.2-1.8 cm in diameter at the middle. Outer
wall formed by the calyx tubes, red-yellow to red-brown, with numerous
remnants of hard thorns forming small projections; apex discoid, forming
the base of persistent sepal; base gradually narrowing, with carpopodium
or its scar remaining. Prepared by cutting in two halves; inner wall yellowish
and 1-2 mm thick; long-spherical achene, which usually discarded after
preparing. Sour, sweet and astringent in taste, mild in nature, and attributive
to kidney, urinary bladder and large intestine channels.
Relieve nocturnal emission and leucorrhagia, and reduce the frequency
of urination: For kidney-deficiency manifested as nocturnal emission,
enuresis and leucorrhagia, usaally used with Semen Euryales together.
2. Astringe the intestine to relieve diarrhea: For chronic diarrhea due
1. Its decoction in 1:3000-1:200 concentration inhibits the growth of
influenzae virus and Bacillus dysenteriae in vitro.
2. Promoting the secretion of gastric juice and enhancing the digestive
function, also as an astringent.