Clinacanthus Nutans, Sabah Snake Grass, 'you dun cao', 憂遁草, 优遁草, 沙巴蛇草, 青箭, Belalai gajah, U-turn grass, etc.
Traditionally, C. nutans has been used as herb in many Asian countries to treat different diseases and symptoms.
In China, the whole plant is used in various manners to treat inflammatory conditions like haematoma (localized collection of blood outside the blood vessels), contusion, strains and sprains of injuries and rheumatism. Chinese healers also consider the plant as effective in regulating mentrual function, relieving pain, anaemia, jaundice and setting of fractured bones.
In Thailand, the plant is used by traditional healers to treat snake venom, scorpion bites, nettle rash, fever and dysentery.
In Indonesia, C. nutans is used by traditional healers to treat dysentery, diabetes and dysuria.
In Malaysia, C. nutans has been traditionally used for detox and to treat inflammatory conditions.
In recent years, the C. nutans has been widely sought in Malaysia and has been continuously gaining interest from Singaporeans and Indonesians as an alternative treatment to various cancer diseases following a local newspaper report in year 2008 on a 56-year old stage 4 lymphatic cancer patient, who was diagnosed with only 3 months to live, but had managed to live on by consuming C. nutans (blended the plant leaves with green apples and drank the juice) every morning after breakfast. It was reported that within 3 days after consuming the C. nutans juice, the 6 tumors had shrank and after 13 days, he was cleared by the oncologist. The news had gone viral in the internet.
Although there have been numbers of reportedly positive cases and sharing of C. nutans as alternative cancer treatment, to date there are no clinical data on the medical effect of C. nutans for cancer treatment.
优遁草的科学名称是Clinacanthus nutans (Burm. f.) Lindau。在民间它被俗称为不同的名字：
Clinacanthus Nutans, Sabah Snake Grass, 'you dun cao', 憂遁草, 优遁草, 沙巴蛇草, 青箭, Belalai gajah, U-turn grass.
传统上，优遁草已经使用在许多亚洲国家的草药来治疗不同的疾病和症状。
在中国，优遁草被使用来调经，去瘀，消肿，止痛，治跌打骨折，贫血，黄疸，风湿等。据
在泰国，当地传统治疗师使用优遁草来治疗蛇毒，蝎叮咬，荨麻疹，发热，痢疾等。
在印尼，优遁草以传统方式被使用治疗痢疾，糖尿病，排尿困难。
在马来西亚，优遁草传统上被用于排毒和治疗炎症性疾病。
近年来在马来西亚优遁草被广泛寻求，并不断获得来自新加坡和印尼癌症患者的追寻。这是
虽然已有不少正面的报道关于优遁草在治癌的奇效，迄今却没有任何医学临床数据可证实优
曾经在“巴沙马lam”打听它的消息，但花圃的头手说，这种草已很多人在寻问，但她还没拿到货！但今天在竞走的活动后经过公园，喜见它的踪影！而后也向该主人要了一棵回来种，希望它会顺利的成长。前几天潜水时，在她家也看到
