观赏作用与经济价值 火棘(Pyracantha fortuneana)属蔷薇科火棘属常绿灌木。叶片倒卵形或卵状矩形,长1.5～6匣米,宽0.5～2厘米,边缘有圆钝锯齿,个别种全缘或有不明显的疏细锯齿。叶面深绿色,有光泽,背面淡绿色,基部楔形或圆形。叶柄极短,小枝暗褐色,幼时有柔毛,后脱落,有枝刺,硬而密。因此,用它在保护区或游人易随意穿行的地段,植成绿篱或防护带,可有效地制止违纪穿行。 火棘为复伞房花序,花瓣5片,圆形,洁白如银,直径约1厘米,萼筒钟状,裂片三角卵形。每个花序有小花19～42朵,密生于枝顶,盛花期团团花序缀于绿叶之间,如积雪覆盖,娇美异常。一般每个花序可形成果实4～21个。梨果,近圆形或扁圆形,红色或桔红色,10月中下旬成熟,一直可宿存到第二年春季。在此期间,百花凋谢,由它的绿叶、红果与白雪相互映衬构成的景观,有很高的观 Appreciation and Economic Value Pyracantha fortuneana is an evergreen shrub belonging to the family Rosaceae pyracantha. Leaves obovate or egg-shaped rectangle, 1.5 to 6 meters long box, 0.5 to 2 cm wide, the edge of a round dentate serrated, some kinds of whole or not obvious sparse serrated. Leaves dark green, shiny, pale green abaxially, base cuneate or rounded. Petiole very short, twig dark brown, pilose when young, after falling off, sticks, hard and dense. Therefore, hedges or protective hedges can be planted in lots that are easily walkable in protected areas or tourists, so as to effectively prevent any disciplinary actions. Pyracantha for the corymbose, petals 5, round, white as silver, ca. 1 cm in diam., Calyx tube bell-shaped, lobes triangular ovoid. Each flower inflorescence 19 ~ 42 flowers, densely on the top of the branch, full flowering inflorescence blossoms between the leaves, such as snow cover, delicate and charming. Generally each inflorescence can form fruit 4 to 21. Pear, nearly round or oblate, red or orange, mature in late October, has been able to survive until the second spring. During this period, flowers withered, from its green leaves, red fruit and white snow against the backdrop of the composition of the landscape, there is a high view