The scientific name is dahlia, also known as groundnut flower.

The color of dahlia is colorful, red, yellow, orange, purple, white and other colors, very attractive. Heavy dahlia has white petals set with red stripes in the thousands of petals of flowers, such as white jade embedded in a red agate, enchanting extraordinary.

Dahlia plant height of about 1.5 meters, leaf opposite, is pinnately compound leaves. It has countless yellow tubular florets in the center of the head, edged by long, curly ligules in a variety of brilliant colors, through which the flower's delicacy is displayed.

The dahlia has an enlarged tuberous root, which stores a large amount of nutrients and can be used for its own asexual reproduction. Horticulturists cut the tuber from the neck of the root and plant it one by one to get many new plants.

There are more than 7,000 varieties of dahlias in almost any color. It has become a world-famous flower, all over the garden. The dahlia is also famous for being an anti-pollution plant.

Extended information

The home of the dahlia is the Mexican plateau region at an altitude of 1500 meters above sea level, it is not hardy, but also afraid of the summer heat, where the climate is warm and cool, and there is a period of low temperatures for the dormant period.

Dahlia has a thick hammer-like fleshy tuberous roots, plant height depending on the species, leaves opposite, 1-3 pinnately divided, lobes ovate, serrations coarsely obtuse. Flowers are longer than the top of the peduncle. Dahlia is popular for its long flowering period, from fall to spring, continuous flowering, each flower can continue for 1 month, the flowering period lasts half a year. In the south of China in the spring from May to November open.

Baidu Encyclopedia - Dahlia