First of all, complex stone is not a stone, but a plant name.
Complex stone, also known as stone dragon rattan, Wanzi flower, Wanzi jasmine, has a long English scientific name, which is an evergreen Liana of Oleaceae and complex stone. Generally, it grows in the area of the Yellow River Basin, has strong adaptability to the environment, strong ornamental, and is often used as garden cultivation. When flowering, the direction is overflowing, which can be made into bonsai for viewing.
The complex stone is an everpothosy vine, which has air roots and grows on trees and rock walls; its branches are 2-10 meters long with milk. The old branches are smooth, the nodes are often alive and rooted, and the young branches are hairy.
Single leaf opposite, elliptic to broad lanceolate, 2.5cm to 6cm long, apex pointed, leathery, smooth, hairy back, short petiole.
Cymes are axillary, with long pedicel, 9 to 15 flowers, calyx is very small, tube-shaped, corolla is high and saucer shaped, petals are 5, white, lobes are arranged in spiral shape, slightly like "Swastika", fragrant, flowering from June to July. The fruiting period is from August to December. There are long hairs on the seeds.
It originated in Shandong, Shanxi, Henan, Jiangsu and other places in China. It is used as ground cover in gardens.
Leaflet complex stone: the leaves are small, elliptic lanceolate, 4cm to 4.5cm long, the inflorescence is axillary, and the flowering period is from April to May.
Large leaf complex stone: the leaves are large, 4.5cm to 6.5cm long and 3.5cm wide, with raised veins, slightly rolled down the leaf margin, and late flowering.
Purple flower complex stone: it is a large vine, leathery leaves, oblanceolate, 8 cm to 15 cm long, 3 cm to 5 cm wide, purple flowers.
Ornamental value: complex stone is an evergreen climbing vine of oleander family and complex stone genus. April to May is the blooming period, almost the whole plant is white, and there will be flowers blooming continuously until November for half a year, so there is an evaluation of "not jasmine, better than Jasmine", which can be used as bonsai for viewing, and it is a good fragrant flower.
Garden use: the complex stone is an evergreen Liana plant of oleander family. It is sun loving, trample resistant, drought resistant, heat-resistant and flood resistant. It has certain cold resistance and strong creeping climbing ability. It can be planted in gardens, parks, walls, stone pillars, pavilions, corridors, steep walls and other climbing ornaments. It is very beautiful. It is also an ideal ground cover plant because of its easy rooting and good negative tolerance after touching the ground. It can be used as the ground cover between forests and forest margins of sparse forests and grasslands. At the same time, it has thick leathery leaves and wide application range. It can be used as the first choice for the greening of severely polluted plant areas, highway slope protection and other areas with poor environment. Due to its resistance to pruning, it is evergreen all the year round and can be used for greening with color blocks.
Medicinal value: complex stone is a kind of common Chinese medicine, its dry leafy cane. It has the functions of dispelling wind and dredging collaterals, cooling blood and detumescence. It can be used to treat rheumatic fever arthralgia, muscle contracture, lumbago and knee pain, larynx arthralgia, carbuncle and swelling, and injury caused by falling and hitting.
