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许多人都知道,射干是一味有名的中药。其实,它的观赏价值也很高呢。射干(Belamcanda chinensis),又名蝴蝶花、扁竹,鸢尾科射干属多年生草本花卉,原产东亚,我国和日本、朝鲜、韩国都有分布,在我国以华中地区最多。地下有根状茎及短分枝,根状茎长4～8厘米,直径1～1.5厘米,外皮黄棕色,有密集的横环纹,质坚硬,横切面黄色,密生须根。茎直立,高50～120厘米。北宋苏颂说:其根好似古代射人之长竿,故名射干。叶片对折成马刀形,扁平,抱茎而生,聚生于茎基部,排为二列,扇状互生,长30～60厘米,宽2.5～4厘米,
Many people know that it is a well-known traditional Chinese medicine. In fact, its ornamental value is also high. Belamcanda chinensis, also known as butterfly flower, flat bamboo, iris Shegan is a perennial herbaceous flowers, native to East Asia, China and Japan, North Korea, South Korea have distribution, in our country in Central China most. Underground rhizomes and short branches, rhizomes 4 to 8 cm long, 1 to 1.5 cm in diameter, the outer yellowish brown, with horizontal cross-ring pattern, the quality of hard, cross-section yellow, close fibrous roots. Stem erect, height 50 ~ 120 cm. Su Song Su-North Song said: its root shoots like the ancient long pole, hence the name shoot dry. Leaves folded into a saber-shaped, flat, with the stems, polygamy stem base, arranged in two rows, fan-shaped alternate, 30 to 60 cm long, 2.5 to 4 cm wide,