《中国植物志》|| 唇形科 LABIATAE ||锥序组 Sect. Paniculata Benth. ||广藿香 Pogostemon cablin (Blanco) Benth.

5.广藿香（广州植物志）藿香（广东广州、福建厦门）
Pogostemon cablin (Blanco) Benth. in DC. Prodr. 12: 156. 1848; Miq. Fl. Ind. Bat. 2: 964. 1859; Prain in Journ. Asiat. Soc. Bengal 74(2): 708. 1907; in Kew Bull Misc. Inf. 1908: 78. 1908; Merr Enum. Philip. 3: 414. 1923; 侯宽昭, 广州植物志, 638. 1956; Back. & Bakh. f. Fl. Java 2: 633. 1965; H. Keng in Gard. Bull. Singapore 24: 154. 1969——Mentha cablin Blanco, Fl. Filip. 473. 1837——Pogostemon patchouly Pellet. in Mem. Soc. Sc. Orleans 5: 277, t. 7. 1845——Pogostemon patchouli Pellet. var. suavis Hook. f. Fl. Brit. Ind. 4: 634. 1885——Pogostemon javanicus Backer ex Adelb. in Reinwardtia 3: 150, f. 1. 1954; Back. & Bakh. f. Fl. Java 2: 632. 1965
多年生芳香草本或半灌木。茎直立，高0.3-1米，四稜形，分枝，被绒毛。叶圆形或宽卵圆形，长2-10.5厘米，宽1-8.5厘米，先端钝或急尖，基部楔状渐狭，边缘具不规则的齿裂，草质，上面深绿色，被绒毛，老时渐稀疏，下面淡绿色，被绒毛，侧脉约5对，与中肋在上面稍凹陷或近平坦，下面突起；叶柄长1-6厘米，被绒毛。轮伞花序10至多花，下部的稍疏离，向上密集，排列成长4-6.5厘米宽1.5-1.8厘米的穗状花序，穗状花序顶生及腋生，密被长绒毛，具总梗，梗长0.5-2厘米，密被绒毛；苞片及小苞片线状披针形，比花萼稍短或与其近等长，密被绒毛。花萼筒状，长7-9毫米，外被长绒毛，内被较短的绒毛，齿钻状披针形，长约为萼筒1/3。花冠紫色，长约1厘米，裂片外面均被长毛。雄蕊外伸，具髯毛。花柱先端近相等2浅裂。花盘环状。花期4月。
台湾、广东海南和广州、广西南宁、福建厦门等地广为栽培，供药用。印度、斯里兰卡经马来西亚至印度尼西亚及菲律宾也有。模式标本采自菲律宾。
梗、叶或叶供药用，主用于妊娠呕吐、胃气痛及预治流感，为芳香健胃、解热、镇吐剂。又为一芳香植物，其芳香油具有浓烈的香味，可作优良的定香剂，同时又是白玫瑰和馥奇型香精的调合原料，又可与香根草油共用作为东方型香精的调合基础。

《Flora of China》|| Lamiaceae || Pogostemon ||广藿香 Pogostemon cablin

5. Pogostemon cablin (Blanco) Bentham, Prodr. 12: 156. 1848.

广藿香 guang huo xiang

Mentha cablin Blanco, Fl. Filip. 473. 1837; Pogostemon javanicus Backer ex Adelbert; P. patchouly Pelletier; P. patchouly var. suavis J. D. Hooker.

Herbs or subshrubs, perennial, aromatic. Stems erect, 30-100 cm tall, tomentose. Petiole 1-6 cm; leaf blade circular to broadly ovate, 2-10.5 × 1-8.5 cm, herbaceous, adaxially dark green, sparsely tomentose, abaxially tomentose, base cuneate-attenuate, margin irregularly incised, apex obtuse to acute; lateral veins ca. 5-paired. Spikes 4-6.5 × 1.5-1.8 cm, densely tomentose, terminal and axillary; verticillasters 10- to many flowered, basally somewhat lax; peduncle 0.5-2 cm; bracts and bracteoles linear-lanceolate, somewhat shorter than to as long as calyx, densely tomentose. Calyx tubular, 7-9 mm, tomentose outside, minutely tomentose inside; teeth subulate-lanceolate, ca. 1/3 as long as calyx tube. Corolla purple, ca. 1 cm, lobes villous outside. Stamens bearded. Fl. Apr.

Fujian, Guangdong, Guangxi, Hainan, Taiwan [India, Indonesia, Malaysia, Philippines, Sri Lanka]

Cultivated in China. Source of patchouly oil, an essential oil obtained from the leaves and used in soaps and perfumes. Employed in scenting carpets and shawls. It is also used medicinally.