《中国植物志》|| 桔梗科 CAMPANULACEAE ||桔梗属 Platycodon A. DC. ||桔梗 Platycodon grandiflorus (Jacq.) A. DC.

1. 桔梗 铃当花
Platycodon grandiflorus (Jacq.) A. DC., Monogr. Camp. 125, 1830; 中国高等植物图鉴, 4: 374, 图6162, 1975.——Pl. grandiflorus var. glaucus Sieb. et Zucc., Abh. Math. -Phys. Akad. Wiss. Muench. 4 (3): 179, 1846.——Pl. glaucus Nakai, Bot. Mag. Tokyo 38: 301, 1924. ——Pl. chinensis Lindl. et Paxton, Fl. Gard. 2: 121, t. 61, 1853.—— Pl. autumnalis Decaisne, Rev. Hort. sec. 3, 2: 561, 1846. ——Campanula grandiflora Jacq., Hort, Vindb. 3: 4, t. 2, 1776. ——C. glauca Thunb., Fl. Jap. 88, 1784.
茎高20-120厘米，通常无毛，偶密被短毛，不分枝，极少上部分枝。叶全部轮生，部分轮生至全部互生，无柄或有极短的柄，叶片卵形，卵状椭圆形至披针形，长2-7厘米，宽0.5-3.5厘米，基部宽楔形至圆钝，顶端急尖，上面无毛而绿色，下面常无毛而有白粉，有时脉上有短毛或瘤突状毛，边缘具细锯齿。花单朵顶生，或数朵集成假总状花序，或有花序分枝而集成圆锥花序；花萼筒部半圆球状或圆球状倒锥形，被白粉，裂片三角形，或狭三角形，有时齿状；花冠大，长1.5-4.0厘米，蓝色或紫色。蒴果球状，或球状倒圆锥形，或倒卵状，长1-2.5厘米，直径约1厘米。花期7-9月。
产东北、华北、华东、华中各省以及广东、广西（北部）、贵州、云南东南部（蒙自、砚山、文山）、四川（平武、凉山以东）、陕西。朝鲜、日本、苏联的远东和东西伯利亚地区的南部也有。生于海拔2000米以下的阳处草丛、灌丛中，少生于林下。模式标本采自苏联西伯利亚。
根药用，含桔梗皂甙，有止咳、祛痰、消炎（治肋膜炎）等效。
Platycodon homallanthinus A. DC. 曾被记载也产于我国北方，但 Fl. URSS (1957) 把它归入 Astrocodon expansus (Rud.) Fed., 并指出仅产于苏联远东地区。我们未见到标本。

《Flora of China》|| Campanulaceae || Platycodon ||桔梗 Platycodon grandiflorus

1. Platycodon grandiflorus (Jacquin) A. Candolle, Monogr. Campan. 125. 1830.

桔梗 jie geng

Campanula grandiflora Jacquin, Hort. Bot. Vindob. 3: 4. 1776; C. glauca Thunberg; Platycodon autumnalis Decaisne; P. chinensis Lindley & Paxton; P. glaucus (Thunberg) Nakai; P. sinensis Lemaire.

Stems 20-120 cm tall, usually glabrous, rarely densely puberulent, simple, rarely branched above. Leaf blade adaxially green, ovate, elliptic, or lanceolate, 2-7 × 0.5-3.5 cm, abaxially glabrous (rarely puberulent along veins) and glaucous, adaxially glabrous, base broadly cuneate or rounded, margin serrate, apex acute or acuminate. Hypanthium hemispherical, obovoid, or obconic, rarely campanulate, glaucous. Calyx lobes triangular or narrowly triangular, sometimes toothlike. Corolla blue or purple (rarely pink or white), 1.5-4.5 cm. Capsule globose, obconic, or obovoid, 0.7-2.5 × 0.7-1.5 cm. Fl. Jul-Sep, fr. Aug-Oct. 2n = 18, 36.

Sunny herb communities, thickets, rarely in forests; below 2000 m. Anhui, Chongqing, Fujian, Guangdong, N Guangxi, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, E Sichuan (west to Pingwu and Liangshan), SE Yunnan (Mengzi, Wenshan, Yanshan), Zhejiang [Japan, Korea, Russia (Far East, SE Siberia); widely cultivated elsewhere].