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Helianthus is a kind of large-scale ground orchid, which is widely distributed. In addition to our country, bright flowers can be seen in the bushes of Madagascar and other places in Japan, Australia, the Philippines and even Africa. There are about 50 species in this genus, most of which are diurnal orchids. The plant type is large, some plant heights are up to 1 meter, and the leaves are also very large. Some species have leaves up to 50 centimeters long. Hebi Lanxi light, in the subtropical areas, can grow in direct sunlight, but the temperature should not be too high. The inflorescences of the Heliconia are also very large. Sometimes the calyx that is extracted from the pseudobulb is up to 90 centimeters. Each flower bud has more than a dozen flowers. The plant is large and the flowers are not small. The flower of the crane-top orchid is about 7 cm in diameter. Its tubular lip is very distinctive and has a pleasant aroma. Helan was founded in 1790. His Latin name Phaius was a deep-colored flower. At that time, it was probably based on the name of the plant specimen. Botanists could not imagine that the flower of the crane rose would be observed by observing the specimen. Very bright colors. The history of the planting of He Dinglan has been more than 200 years. After the Europeans introduced the first crane plant from China in 1778, they began researching and nurturing He Lianlan continuously in the West. After more than two centuries of hard work by the breeders, the crane cultivars on the market are now very rich, coupled with its long flowering and scented, it has long been a favorite potted flower.