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蕨类植物是世界上古老的植物类群之,它独特的耐阴习性和婀娜多姿、轻柔飘逸的优美株形,使其成为园林观赏植物中的重要组成部分。在众多的蕨类植物中,贯众因具有较广泛的适应性和较高的观赏价值,在城市绿化中很有潜在的应用前景。贯众(Cyrtomium fortunei)系鳞毛蕨科、贯众属多年生常绿草本植物。根茎短;叶革质,有光泽,丛生;叶柄基部密生阔卵状披针形黑褐色大形鳞片;奇数羽状复叶,顶端羽片三叉形,侧生羽片镰刀形,互生,叶脉网状;孢子囊圆形,群生于羽片背面主脉两侧,囊群盖大,圆盾形。贯众的耐碱性很强,是石灰性岩石和钙质土壤的碱性指示植物。它四季常青,株形优雅,抗逆性强;适应上海地区的环境条件,喜半阴,耐林荫环境,有一定的耐旱性,可于绿地边缘、林下、林缘等处作
Ferns are the world’s ancient plant groups, its unique anti-yin habits and graceful, gentle and graceful plant shape, making it an important part of garden ornamental plants. Among many ferns, Guanzhong has potential applications in urban greening due to its wider adaptability and higher ornamental value. Guanrui (Cyrtomium fortunei) Department of scales hair fern, Guanzhong is a perennial evergreen herb. Rhizome short, leathery, glossy, tufted; petiole base abaxially densely ovate-lanceolate-large-brown scales; odd pinnately compound, apical pinnate trichomes, lateral pinnate sickle-shaped, alternate, veins veined; Sporangium round, group on the back of the main veins on both sides of the veins, large cover, round shield. Guanzhong strong alkali resistance, is calcareous rocks and calcareous soil alkaline indicator plants. Its evergreen, elegant plant shape, strong resistance; to adapt to the environmental conditions in Shanghai, like half Yin, shade-resistant environment, a certain degree of drought tolerance can be at the edge of the green, under the forest, the edge of the forest