岗松 Baeckea frutescens

中文名(Chinese Name):岗松
学名(Scientific Name):Baeckea frutescens L.
英文名(English Common Name):baeckea
别名(Chinese Common Name):
异名(Synonym):Baeckea chinensis Gaertn.  Baeckea cochinchinensis Blume  Baeckea frutescens var. brachyphylla Merr. et L. M. Perry  Baeckea sumatrana Blume  Cedrela rosmarinus Lour.  Neuhofia rosmarinifolia Stokes  Baeckea cumingiana Schauer  Baeckea sinensis Gaertn.  Baeckea stenophylla F.Muell.  Drosodendron rosmarinus (Lour.) M.Roem.
科属(Family & Genus):桃金娘科(Myrtaceae)岗松属
形态特征(Description):灌木,有时为小乔木;嫩枝纤细,多分枝。叶小,无柄,或有短柄,叶片狭线形或线形,长5-10毫米,宽1毫米,先端尖,上面有沟,下面突起,有透明油腺点,干后褐色,中脉1条,无侧脉。花小,白色,单生于叶腋内;苞片早落;花梗长1-1.5毫米;萼管钟状,长约1.5毫米,萼齿5,细小三角形,先端急尖;花瓣圆形,分离,长约1.5毫米,基部狭窄成短柄;雄蕊10枚或稍少,成对与萼齿对生;子房下位,3室,花柱短,宿存。蒴果小,长约2毫米;种子扁平,有角。花期夏秋。
分布(Distribution):产福建、广东、广西及江西等省区,分布于东南亚各地。喜生于低丘及荒山草坡与灌丛中。
用途(Use):叶含小茴香醇等,供药用,治黄疸、膀胱炎,外洗治皮炎及湿疹。
引自中国植物志英文版:FOC Vol. 13 Page 330
Baeckea frutescens Linnaeus, Sp. Pl. 1: 358. 1753.
岗松 gang song | Myrtaceae  | Baeckea
Baeckea chinensis Gaertner; B. cochinchinensis Blume; B. frutescens var. brachyphylla Merrill & L. M. Perry; B. sumatrana Blume; Cedrela rosmarinus Loureiro.
Shrubs, sometimes small trees. Petiole 0.5-0.6 mm; leaf blade linear, 5-10 × ca. 1 mm, abaxially with raised oil glands, adaxially grooved, midvein 1, secondary veins absent, apex sharp. Flowers axillary, solitary, small; bracts caducous. Pedicel 1-1.5 mm. Hypanthium campanulate, ca. 1.5 mm. Sepals 5, triangular, small, apex acute. Petals white, distinct, rounded, ca. 1.5 mm, base clawed. Stamens 7-13 or less, 1-3-grouped opposite each sepal. Ovary inferior, 2- or 3-loculed. Style short, persistent. Capsule ca. 2 mm. Seeds flattened, angular. Fl. summer.
Thickets, slopes, low hills, open grasslands. Fujian, Guangdong, Guangxi, Hainan, Jiangxi, Zhejiang [Cambodia, India, Indonesia, Malaysia, Myanmar, New Guinea, Philippines, Thailand, Vietnam; Australia].
岗松 Baeckea frutescens

岗松 Baeckea frutescens(责任编辑:徐晔春)

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