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齿叶水蜡烛Dysophylla sampsonii

时间:2013-09-25 12:47来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):齿叶水蜡烛 学名( Scientific Name ): Dysophylla sampsonii Hance 英文名( English Common Name ): 别名( Chinese Common Name ): 森氏水珍珠菜、齿茎水蜡烛 异名( Synonym ): Dysophylla tsangii Sun ex C. H. Hu P
中文名(Chinese Name):齿叶水蜡烛
学名(Scientific Name):Dysophylla sampsonii Hance
英文名(English Common Name):
别名(Chinese Common Name):森氏水珍珠菜、齿茎水蜡烛
异名(Synonym):Dysophylla tsangii Sun ex C. H. Hu  Pogostemon sampsonii (Hance) Press
科属(Family & Genus):唇形科(Labiatae)水蜡烛属
形态特征(Description):一年生草本。茎直立或基部匍匐生根,高15-50厘米,基部常较粗,节间较短,钝四棱形,无毛,常带红色,分枝或简单。叶倒卵状长圆形至倒披针形,长0.9-6.2厘米,宽4-8毫米,先端钝或急尖,基部渐狭,边缘自1/3处以上具明显小锯齿,基部近全缘,坚纸质,上面榄绿色,下面较淡,密被黑色小腺点,两面均无毛;无叶柄。穗状花序长1.2-7厘米,宽约8毫米;总梗被腺柔毛;苞片卵状披针形,几不超过花萼,带红色。花萼宽钟形,长宽约1.4毫米,外面被短柔毛,下部具黄色腺体,常带紫红色,萼齿5,卵形,长超过萼长1/3。花冠紫红色,长约2毫米,冠檐4裂,裂片近相等。雄蕊4,长长地伸出,花丝上的毛茸呈浅紫红色。花柱先端2浅裂。花盘平顶。小坚果卵形,长约0.7毫米,宽约0.5毫米,深褐色,光亮。花期9-10月,果期10-11月。
分布(Distribution):产湖南、江西、广东、广西、贵州;生于沼泽中或水边。
用途(Use):引自植物志英文版: FOC Vol. 17 Page 263
Dysophylla sampsonii Hance, Ann. Sci. Nat., Bot., sér. 5. 5: 234. 1866.
齿茎水蜡烛 chi ye shui la zhu| Lamiaceae  | Dysophylla
Dysophylla tsangii Sun ex C. H. Hu.
Herbs annual. Stems erect to trailing at base, 15-50 cm tall, basal internodes short, glabrous, reddish. Leaves in whorls of 3(-5), rarely opposite, obovate-oblong to oblanceolate, 0.9-6.2 cm × 4-8 mm, papery, glabrous, densely black glandular, base attenuate, margin conspicuously serrate except basal 1/3 entire, apex obtuse to acute. Spikes 1.2-7 × ca. 0.8 cm; rachis glandular villous; bracts ovate-lanceolate, scarcely longer than calyx, reddish. Calyx broadly campanulate, ca. 1.4 × 1.4 mm, pubescent, basally yellow glandular outside, purplish red; teeth ovate, more than 1/3 as long as calyx. Corolla purple-red, ca. 2 mm, lobes subequal. Stamens much exserted; filament hairs purplish red. Nutlets dark brown, ovoid, ca. 0.7 × 0.5 mm, shiny. Fl. Sep-Oct, fr. Oct-Nov.
* Marshy areas, beside water. Guangdong, Guangxi, Guizhou, Hunan, Jiangxi.






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