Notes For Reference:-

Paeonia japonica / Yamashakuyaku ヤマシャクヤク

Paeonia japonica is a perennial herb growing to 30-60 cm in height; leaves, 3-4 in number, are alternately arranged, each biternate; the segments are obovate, 5-12 cm long, and their lower sides are tinged white. Flower stalks bear single flowers at the apex, blooming half-open and facing upward. Petals are white, 5-7 in number, and sepals beneath, 3 in number, are green. The centers have many stamens and 2-4 pistils, and the red stigmas are slightly bent. Fruits are follicles and ripen red in the autumn. Bloom time: April- May.