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莎草是莎草科莎草属多年生草本植物。又名香头草、雀头草、香附。茎直立,呈三棱形,高30～60厘米,叶基部丛生,叶片窄线形,全缘,具平行脉。花序形如小穗,在茎部排列成伞形,小穗线形,稍扁平,为茶褐色。地下根茎肥大成纺锤形,外皮紫褐色,有棕色的毛状物。生于平地、荒地或田间向阳处。我国大部分地区均有分布。主产于湖南、浙江、山东、河南等地。
Cedar is a sedge of the genus Schisettera perennial herb. Also known as Xiangtoucao, bird head grass, incense attached. Stems erect, triangular, 30-60 cm high, basal leaves clustered, narrowly linear leaves, entire, with parallel veins. Inflorescence-shaped spikelets, arranged in an umbrella-shaped stems, spikelets linear, slightly flattened, dark brown. Rhizome hypertrophy into a spindle-shaped, brown purple-brown, brown hair. Born in flat, wasteland or sunny field. Most parts of our country are distributed. Main production in Hunan, Zhejiang, Shandong, Henan and other places.