Haizhou Changshan, with the alias of Sycamore and Paphiopedilum, is a garden plant of the genus Verbena. It is distributed in North China, East China, South China, Southwest China and Northeast China. It was born on hillsides, roadsides, and streams near 2,400 meters above sea level. Haizhou Changshan is a deciduous shrub or small tree, up to 5 meters to 8 meters in height. Young branches, petioles, and inflorescence axis yellow-brown pubescent. Leaves opposite, leaves broadly ovate to triangular-ovate. Flowers bisexual, slightly fragrant, corymbose cymiforms terminal or axillary, 8 cm to 18 cm long. The flowers are green and white, and later turn purple. Corolla slender, tubeulose, apically 5-lobed, white or pink; stamens long and curved, extending beyond corolla. Drupe subglobose, blue-brown when mature, concealed in an enlarged calyx. Throughout the inflorescence, rich colors of red calyx, white corolla and blue-purple fruit can appear simultaneously. Flowering period from June to September, fruit ripening period from September to November. Haizhou Changshan is sunny, slightly shade-tolerant, drought-tolerant, has a certain degree of cold-resistance, prefers moist soil, and is resistant to thin soil, but it is not resistant to stagnant water. Good adaptability, salt and alkali resistance, strong ability to deliver. Less pests and diseases, easy to manage. However, in the sandy soil with good fertilizer and water conditions, the growth is strong, the inflorescence is large, and the amount of flowers is large. Haizhou Changshan is planted by methods such as sowing, cutting, and ramification, and the production mainly involves sowing and ramification. After the seeds are dried in the autumn, they are disinfected with 700-800 times of 50% carbendazim for sowing. Seeds can also be sown and then sown in the field from late March to mid-April. Sandy loamy soil should be used. Seedlings emerge after 15 days of sowing. Seedlings must bloom for 3 to 5 years. The root system of Changshan, Haizhou, is prone to sprouting, and new strains of adventitious roots are formed around the adult tree. Therefore, it is more convenient to adopt the division breeding. Before the sprouting of the plants in autumn or early spring, the rooted seedlings around the trees are excavated from the roots, so that the separated plants have good root system, and the appropriate pruning strips are planted in the digging tree pits to survive. The seedlings of the ramets can bloom in that year. When the trunk of the sapling grows to 1.5 to 2 meters, it can be cut as needed, or it can be shortened within 30 centimeters of the trunk to cultivate stalk bushes. At the same time, keep 4 to 5 strong branches as the main branch culture, making it scattered from top to bottom. Every year after falling leaves in autumn or before sprouting in early spring, appropriate pruning and shaping should be done to cut dry branches, dense branches and leggy branches, so that the length of branches can be evenly distributed, so that the growth of plants will be prosperous and flowering will flourish in the coming year. For many years, old trees must be cut to benefit the renewal and rejuvenation. Haizhou Changshan has a large inflorescence sequence, beautiful flower shape, long flower and fruit period, brightly colored fruit, a coexistence of flowers and fruits on a tree, bright white, red and blue color, and luxuriant plants, and is a good flower and fruit garden plant. Plants can be planted in solitary places. If a plant is planted in an open area, it can be grown on its own in a few years. It can also be arranged with other trees in the courtyard, hillsides, streams, embankments, cliffs, rock gaps, and under forests.
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