Alias Tu Xuan Shen, Tu Niu Qi, Strong Over Head, Earth Lotus Root, Qun Dang, Duck's Beak Ginseng, Da Qing, Lao Crow Piao, White Dog Intestine, Tong Bone Elimination Root, Fake Mountain Bitter Gourd, Gourd Vine, Mouse Cucumber Source Medicinal Herb Basis Source: The root of the large-flowered old crow's beak of the plant of the family of Jurassicaceae.　Harvesting and storage: summer, fall digging, washing, slicing, fresh or sun-dried.　Original form: Large-flowered old crow's-foot Robust herbaceous or woody climbing vine, up to 8m long or longer. Branches numerous, pubescent. Leaves opposite; petiole 2.5-6cm long; leaf blade papery, broadly ovate or triangular-cordate. Leaves opposite; petiole 2.5-6cm long; leaf blade papery, broadly ovate or triangular-cordate, 5-10cm long, 4-8cm wide, apex shortly acuminate to acute, base cordate, margin undulate to shallowly lobed, both surfaces pubescent, palmate veins 3-7. Flowers large, sometimes 2 together in leaf axils or in pendulous racemes; pedicel ca. 5cm; bracteoles 2, oblong-worked ovate, 2.5-3cm long, shortly preselected hairy; calyx annular and truncate; corolla light blue, yellowish or subwhite outside, 5-8cm long, corolla tube short, throat enlarged, limb subequally 5-lobed, expanded up to 7cm in diameter; stamens 4, dichotomously strong, the longer ones anther hairy, the anther cells with a spacing, short anthers glabrous and only 1 locule spaced; ovary slightly fleshy, 2 ovules per locule, stigma y 2-lobed, lobes as large as capsule pilose, ca. 3cm, proximal part subglobose, distal part with a long rostrum, resembling a crow's beak when dehiscent. Seeds hemispherical, the surface wrinkled cerebral.