- Flower nameRehmannia japonica
- Scientific nameRehmannia japonica
- Aliasハナジオウ, 千里胡麻, 花地黄, Rehmannia japonica
- Place of originunknown
- Place of floweringGreenhouse, Botanical Gardens
- Flowering seasonApril, May
What is Rehmannia japonica
Rehmannia japonica (scientific name: Rehmannia japonica) is a perennial herb in the family Orobanchaceae, genus Rehmannia, The stem is densely covered with soft hairs. The flowers are large. The leaves are also attached to the top of the flower stalk. It is believed to be native to China, but the details are unknown. It has been cultivated since the Edo period, but is now only grown in the mountains of Shizuoka Prefecture. It is listed on the Red List of Threatened IA (CR).
Common name: Rehmannia japonica, scientific name: Rehmannia japonica, also known as : Senri-goma, Grass height: 15 to 50 cm, Leaf shape: broadly ovate, leaf margin: serrated, flowering time: April-May, inflorescence: axillary, monocotyledonous, Flower diameter: 5-6 cm; color: pink to purple-red; corolla: cylindrical.