This is capital orchid, Amaranthaceae, earth ginseng genus, annual or perennial herb, because of its root shape and function similar to ginseng, so it is known as "southern ginseng". Sumac is a deep-rooted plant with taproot system, about 60cm high, with strong vitality and wide adaptability, not strict on soil and climate requirements, but the soil is easy to rot roots when waterlogged. Generally potted plants and small area planting, flowers nearly peach color, has a good ornamental value.

Chinese name: capital orchid

Alias: earth ginseng, Bo Shi Lan, red peony, Shen Shi Hua, grass ginseng.

The seeds of Sumac orchid can germinate when the temperature is above 15℃, and it grows well when it is 20℃～30℃.It starts to bloom in May, and fruits while blooming, and the blooming period can be extended to September. The fruiting period is from June to November. Its green leaf growth period is long, from early spring to early winter, can always be issued leaves constantly, only by the frost only after the seedling down. The adaptability of the soil is very strong. In the Yangtze River south of most of the shady wet land can often be seen, in the loose fertile, warm and moist, slightly acidic soil growth is better. Good drainage is required during growth, although it should not be deprived of water. Sumac is shade tolerant, but grows better in full sun. Propagation and cutting are relatively easy.

The young leaves and tuberous roots of capital orchid are a kind of high-grade health care vegetable with high nutritional value, containing ginseng saponins, amino acids and a variety of vitamins, and regular consumption of anemia, neurasthenia, gynecological diseases, sexual dysfunction and digestive cancer has a certain auxiliary therapeutic effect. The leaves of capital orchid can be used to stir-fry, especially suitable for lactating women to eat, have the role of milk. In addition, its leaves can be applied externally to treat boils and other diseases. The root of capital orchid can treat spleen weakness, dried and stewed to eat can treat malnutrition syndrome, and other herbs with the use of women's menstrual irregularities can also help regulate.