San Qi (Tian Qi), Notoginseng (Panax Notoginseng) is a perennial herb. Bamboo-root-like rhizome is short, crosswise, and with 2 or more than 2 fleshy roots that is cylindrical, about 2 to 4cm long, and about 1cm in diameter, and with longitudinal wrinkles when dried. Solitary stem is about 40cm in height, glabrous, with vertical stripes and base with persistent scales. Four palmately compound leaves form one whorl at the top of stem. Single umbel is acrogenous, about 3.5cm in diameter, and with 20 to 50 flowers; peduncle is about 12cm in length, hairless, and with vertical stripes; flowers are yellow-green. No fruits are found. The wild species are rare and now most of them are cultivated.