Limushan forest region is one of the few original tropical rain forest reserves in China, with a total area of1930,000 mu, of which1730,000 mu is used for forestry, accounting for 89.6% of the total area. 20,000 mu of non-forestry land, accounting for10.4% of the total area; Natural forest area/kloc-0.09 million mu, accounting for 56% of the total area, and artificial forest area of 35,000 mu, accounting for/kloc-0.8%; 5000 mu of economic forest.

Limushan, located in tropical evergreen monsoon forest, is one of the regions with the richest tropical biological resources in China. There are 349 kinds of trees. With the different altitude, the natural vegetation has obvious vertical zonation, which consists of five vegetation landscape zones: mountain moss dwarf forest, tropical mountain rain forest, valley rain forest, evergreen monsoon forest and semi-deciduous rain forest.

The plants in the mountainous area of Limushan are tall, straight and closed, and the height of each plant can exceed 50 meters; The community level is complex, and there are many shade epiphytes mixed with evergreen and broad-leaved plants. There are abundant tropical high-quality timber, medicinal materials and forest by-products. There are 487 species of plants belonging to 94 families, including rare plants and important economic plants 1 15. The species number of mountain rain forest and valley rain forest is as high as 120, of which the altitude is 300~700 meters, belonging to seasonal rain forest area; The valleys between 500-800 meters above sea level are tropical valley rainforests; At an altitude of 700~ 1 100 meters, it is an evergreen broad-leaved mixed forest, and at an altitude of 1200 meters, it is an alpine bryophyte dwarf forest, mainly shrubs. There are many rare tree species in the forest area, such as Lu Junsong, Pinus pinnatifida, Cephalotaxus hainanensis, Cinnamomum cassia, Cyclobalanopsis lanceolata, Castanopsis hystrix, Tung oil tree, Phoebe bournei, Mume, Litchi, mother tree, slope base, Youdan, Red fern, Machilus hainanensis, Chlorophytum, Sophora alopecuroides, Longnan and Toona sinensis. Among them, there are 55 species under special state protection: Korean pine, Vietnamese rouge and Eucommia ulmoides. Wild tung (tea), red thick, Cyclobalanopsis hainanensis, rice oak, red fern, Azadirachta indica, Hong Kong hardwood, Hainan Putao (ebony), palm, disk oak and rice cone produced in Hainan.

The forest area is rich in wood resources, with a total volume of 23 1 10,000 cubic meters, including 654,380+0.968 million cubic meters of natural forests, 46,000 cubic meters of artificial timber forests, 22,000 cubic meters of Chinese fir and 37,000 cubic meters of pine trees. The forest coverage rate is 70.6%, and the consumption of forest resources is 40,000 cubic meters/year, with an accumulated average annual growth rate of 8.87%.

Limushan mountain area is also rich in medicinal plant resources, with more than 300 kinds of commonly used medicinal materials and more than 20 kinds of characteristic medicinal plants. Every year, we purchase more than 0/00 kinds of medicinal materials/kloc-and more than 40 kinds of rare southern medicines, among which four famous southern medicines, Areca catechu, Alpinia oxyphylla, Amomum villosum and Morinda officinalis, have long enjoyed a good reputation. Ganoderma lucidum, regarded as a magical medicine, is also found in forest areas from time to time. Cephalotaxus hainanensis has the special effect of treating and resisting cancer, and it grows in patches in forest areas, which has attracted great attention from the medical and plant circles at home and abroad. Cephalotaxus hainanensis, Cephalotaxus Xishuangbanna, Lignum Dalbergiae Odoriferae, Lignum Aquilariae Resinatum, Loquat, Maple, Pu Shu, Moraceae, Ficus of Moraceae and Eucommia ulmoides Oliv. , Lysimachiaceae, Boat-fruited Sterculia, Pterocarya stenoptera, Kapok, Phyllanthus emblica, Dipterocarpaceae (two species: green tangerine peel. Contains taro, Morinda officinalis, Alpinia oxyphylla, Amomum cardamom, medicinal dog bud flower, new begonia (all species and varieties), Ditantou, Cinnamomum camphora, Sanyiku, Hainan mountain pepper (Tenjikukatsura), Litsea cubeba, Murraya murraya, Buxus macrophylla, and Ophiopogon japonicus (seven leaves and one flower). Croton, Alum Camellia, Cinnamomum cassia, Hainan, Hyacinthus, Ficus carica, Liquidambar formosana, Bambusa bambusa, Red sandalwood, Photinia leaf, Ophiopogon japonicus, Scolopendra, Cinnamomum cassia, Cinnamomum cassia, Cinnamomum cassia, Ovum Ye Gui, and Fraxinus vietnamese.

There are also many exotic flowers and grasses growing in the forest area, especially the "King's Fragrance" which is famous at home and abroad for its fragrance and excellent quality. Hainan is richer in orchid resources, with 97 species found. There are more than 20 species endemic to Hainan, including ivory white, Eupatorium odoratum, Eupatorium odoratum, especially the precious China orchid, which is known as "the best fragrance in the world". There are also annona with many leaves, thick stems and strong fragrance. In addition, there are many ornamental flowers and trees, such as bee grass and azaleas that can predict weather changes.