猫爪草(Ranunculus temafus)为毛茛科毛茛属多年生草本植物,茎高5～17厘米,基生叶丛生,有长柄,无毛;茎生叶多无柄,较小,细裂,开黄色小花数朵。其块根数个簇生,肉质,近纺锤形,黑色,形似猫爪,故称猫爪草。猫爪草喜温湿、荫蔽,耐寒冷、荒瘠,野生资源均与铁线草(又名狗牙根草、芭根草,目前是草坪类的草种之一)伴生。猫爪草地下块根生命力极强,耐人畜践踏,破断的小块根在泥土中半年不会霉烂。猫爪草在夏季有一段相当长的休眠期(5月～10月),一般是从10月上旬地下块根开始萌发,5月中旬枝叶枯死。它极耐寒冷,不低于4℃植株均可萌发生长。全草一般于冬季生长完成,翌年1～2月即稀疏开花,3～4月花就全部开放。猫爪草的经济价值很高。一般城市的草坪都属于温季草,难以保持四季常绿,猫爪草可补缺城市草坪冬绿,带来 Ranunculus temafus Ranunculaceae Ranunculus perennial herb, stems 5 to 17 cm tall, basal leaves clustered, long-handled, glabrous; stem leaves more sessile, smaller, finely cracked, yellow Flowers a few flowers. The number of its roots clustered, succulent, nearly spindle-shaped, black, shaped like a cat’s claw, so called cat’s claw grass. Cat claw grass hi temperature and humidity, shade, cold, barren, wild resources and wire grass (also known as bermudagrass, bark grass, grass turf is currently one of the species) associated. Cat’s Claw grass root vitality extremely strong, resistant to trampling livestock, broken small roots in the soil will not mildew in six months. The cat claw grass has a rather long dormant period (May to October) in summer, usually germinating from roots in early October and withering in mid-May. It is very cold-resistant, not less than 4 ℃ plants can germinate and grow. The whole plant is generally completed in winter growth, 1 to 2 months the following year is sparsely popped, March to April flower all open. Cat claw grass is of high economic value. The lawns of the general city belong to the warm season grass, it is difficult to keep evergreen, cat claw grass can make up for the city lawn winter green, bring