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去广东肇庆鼎湖山和七星岩的游人,常常喝一杯紫背天葵水或买包紫背天葵带回。紫背天葵(Begonia fimbritipula)是秋海棠科多年生、稍肉质的矮小草本植物。地上茎短或无,地下茎肉质圆球形,外皮褐紫色,通常从根茎上抽出一片叶,叶卵状心形,边缘有不规则锯齿,掌状网脉,背面红紫色,形象葵扇,因而得名。夏月,花绽开,淡红而带白色,聚伞花序花2—4朵,花梗长而纤细,葶葶玉立。人秋,蒴果成熟,叶变黄而凋萎,完成一个生长周期。春季从宿根茎萌发新芽或种子发芽成苗,又开始新的生活历程。紫背天葵喜生于山谷林下或高山岩石上,或石缝中。在广东鼎湖山和西江流域山区很多。药用有凉血、清热、润燥止咳和降压功效,
To Zhaoqing, Hubei Dinghushan and Qixingyan tourists, often drink a cup of purple back sunflower water or buy a bag back purple sunflower back. Begonia fimbritipula is a perennial, slightly fleshy dwarf herbaceous plant in Begonia. Ground stems short or without, underground stems fleshy round-shaped, brown skin purple, usually from the roots out of a leaf, leaves ovate heart-shaped edge irregular sawtooth, palmate network veins, reddish purple back, the image of the sunflower fan, hence the name. Summer months, flowers blooming, pink and white, 2-4 flowers cymes, pedicel long and slender, 葶 葶 Yu Li. People fall, capsules mature, leaves turn yellow and withered, to complete a growth cycle. Spring germinating buds from the host rhizome or seed germination, and began a new life course. Purple back sunflower hi born in the valley forest or alpine rock, or stone crevices. Dinghushan in Guangdong and the Xijiang River in the mountains a lot. Medicated with cooling blood, heat, moistening cough and antihypertensive effect,