貓爪草, 毛茛科多年生草本植物,株高10-20厘米,因塊根形似貓爪而得名,莖多分枝、細長。基葉叢生,三出復葉具長柄;莖生葉細小,線形。花單生莖端,花瓣5,黃色,基部有蜜腺,聚合果球形,瘦果扁卵形,細小,表面談棕色,平滑有短喙。花期3-4月,果期5-6月。
貓爪草多生長于平原濕草地、田邊荒地或山坡草叢中,喜溫暖的氣候和潮濕的土壤,耐瘠薄,對土壤要求不嚴。主產于河南的信陽的淮濱及駐馬店的確山等地。另外,浙江、江蘇、安徽、江西、廣西、湖北、湖南、四川、云南、貴州以及臺灣等地均有分布,日本本州、四國、九州也有分布。
貓爪草藥材基源為毛莨科植物小毛莨的干燥塊根。春、秋二季采挖,除去須根及泥沙,曬干。本品呈紡錘形,多5~6個簇生,形似貓爪,長3~10mm,直徑 2~3mm,頂端有黃褐色殘莖或莖痕。表面黃褐色或灰黃色,久存色澤變深,微有縱皺紋,并有點狀須根痕和殘留須根。質堅實,斷面類白色或黃白色,空心或實心,粉性。氣微,味微甘。
貓爪草性味辛、平,歸肺、肝經。有散結、消腫、清熱、解毒的功能。主治肺結核、淋巴結核、淋巴結炎、咽喉炎、痔瘡等,在醫藥上的運用已經持續了至少兩千年。
貓爪草原本為野生,隨著臨床應用范圍的不斷擴大,藥材供應出現緊缺。王家崗鄉毛莊村農民于1988年開始貓爪草野生變家種的探索,并逐步取得了種植經驗。淮濱縣部分村莊地處淮河行洪區,土地經常被大水淹沒,一般的農作物種不保收;而貓爪草卻喜濕耐淹,洪水過后仍正常生長,既可種子繁殖,又可無性繁殖,一年投資,多年收益,人工種植貓爪草在淮濱行洪灘區迅速推廣,目前已成為帶動5000多農戶,種植面積達兩萬畝的特色產業。
淮濱縣沿淮區域是我國野生貓爪草繁衍的主要地域之一。七十年以前主要是以野生為主。由于耕作方式的變更及復種指數的提高,貓爪草的生態環境遭到了嚴重破壞,野生貓爪草瀕臨滅絕。淮濱縣科技局根據本縣貓爪草生長情況,組織科技工作者進行了多年的探索和研究,經十八年的試驗、示范、篩選出了從MZC—1到 MZC—4四個品質好、產量高、抗病力強的品種,并整理出一套種植手冊,本縣萬畝貓爪草畝產平均達到200公斤以上。目前以淮濱縣為中心已形成淮河流域貓爪草生產基地,年產超過3000噸。
Root of Catclaw Buttercup
Root of Catclaw Buttercup is a kind of herbaceos perennial belonging to ranunculaceae, which is called for its similar shape with cat claw. Its plant height is 10 to 20 cm, stems are slim and long and have many branches, flowers are yellow with nectary at the stem base, flower season is 3 to 4 months and fruit season is 5 to 6 months. This plant always grows in wet grasslands on plain, wasteland alongside field or grasslands on slopes, where have warm climate and humid soil. It has low requirements for soil and is mainly produced in Huaibin County in Xinyang city and Queshan County in Zhumadian City.
Root of Catclaw Buttercup has medical functions of detumescence, clearing heat, alexipharmic and so on. It has been used into medicine for at least 2000 years and can mainly cure diseases of phthisis, scrofula, lymphnoditis, pharyngitis, piles, etc.