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露珠香茶菜Rabdosia irrorata (Forrest ex Diels) Hara

露珠香茶菜Rabdosia irrorata (Forrest ex Diels) Hara

科名:唇形科 Labiatae

属名:香茶菜属 Rabdosia

《中国植物志》第66卷445页
  18.露珠香茶菜
  Rabdosia irrorata (Forrest ex Diels) Hara in Journ. Jap. Bot. 47(7): 196. 1972——Plectranthus irroratus Forrest ex Diels in Notes Bot. Gard. Edinburgh 5: 228. 1912; Dunn in ibid. 7: 143. 1913, p. p.; Hand.-Mazz. in Act. Hort. Gothob. 13: 365, inclavi, 374. 1939——Isodon irroratus(Forrest ex Diels)Kudo in Mem. Fac. Sci. Agr. Taihoku Univ. 2: 121. 1929.
形态特征:直立灌木,高0.3—1米;主根粗大,常不规则柱状,直立或平出,其上有细长的侧根,主根及侧根上均有纤细的须根。茎直立或斜上升,圆柱形,褐灰色,皮层纵向片状剥落,上部多分枝,分枝近圆柱形至钝四棱形,带紫色,被短柔毛。叶对生,枝下部的叶较小,中部的最大,向上部渐变小而呈苞片状,中部叶片卵形至阔卵形,长1.5—3厘米,宽1.3—2.5厘米,先端钝,基部阔楔形,除叶基1/3外边缘具圆齿,草质,上面深绿色,被白色短硬毛及满布淡黄色腺点,下面淡绿色,仅沿脉上疏被短硬毛,满布淡黄色腺点,侧脉3—4对,在两面尤其是在下面隆起;叶柄短,长1—2毫米。聚伞花序3—5花,多数组成长(6)10—15(20)厘米的圆锥花序;苞叶位于花序下部的与叶同形,向上渐变小,呈苞片状,卵形,全缘,两面满布腺点,边缘具短硬毛,小苞片线形,长1—2毫米;花梗长2—3毫米,与长1—1.5厘米的总梗均被腺毛。花萼常带紫色,稍下倾,宽钟形,长3—5毫米,外面沿脉上被短硬毛,其间散布淡黄色腺点,内面无毛,萼齿5,多少呈二唇形,披针状卵形,长1—1.5毫米,前2齿稍宽,果时花萼增大,长达6—7毫米,明显10脉。花冠蓝色或紫色,外面疏被微柔毛,内面无毛,冠筒长达1厘米,宽3—4毫米,基部上方浅囊状,冠檐长约5毫米,二唇形,上唇反折,先端具4圆裂,下唇舟形。雄蕊4,二强,着生于冠筒中下部,内藏,花丝基部被疏柔毛。花柱丝状,先端相等2浅裂。花盘环状,前方微隆起。小坚果卵球形,径约1.5毫米,棕褐色。花期6—8月,果期8—10月。
产地分布:产云南西北部;生于松林、竹林及冷杉林下和林缘干燥处,海拔3000—3500米。模式标本采自云南丽江。
参考文献:Rabdosiairrorata(ForrestexDiels)HarainJourn.Jap.Bot.47(7):196.1972——PlectranthusirroratusForrestexDielsinNotesBot.Gard.Edinburgh5:228.1912:Dunninibid.7:143.1913,P.P.;Hand.Mazz.inAct.Hort.Gothob.13:365,inclavi,374.1939——Isodonirroratus(ForrestexDiels)KudoinMem.Fac.SciAgr.TaihokuUniv.2:121.1929.
本系概述:Ser.LongitubaeC.Y.WuetH,W.inAddenda586.花萼钟形,具近相等的齿或微呈3/2式二唇形,果时花萼多少增大,有时呈管状钟形,略弯曲;花冠较长大,长1.2—1.8厘米,冠筒长约为冠檐二倍以上,下曲;聚伞花序组成多少疏散圆锥花序;灌木或多年生草本。

《Flora of China》 Vol. 17 (1994)
Isodon irroratus  (Forrest ex Diels) Kud?
露珠香茶菜   lu zhu xiang cha cai
Plectranthus irroratus Forrest ex Diels, Notes Roy. Bot. Gard. Edinburgh 5: 228. 1912; Rabdosia irrorata (Forrest ex Diels) H. Hara; R. irrorata var. crenata C. Y. Wu & H. W. Li; R. irrorata var. longipes C. Y. Wu & H. W. Li; R. irrorata var. rungshiaensis C. Y. Wu & H. W. Li.
Shrubs erect, 30-100 cm tall. Stems erect or ascending, brown-gray, much branched at apex; puberulent. Petiole 1-2 mm; leaf blade ovate to broadly ovate, 1.5-3 × 1.3-2.5 cm, papery, abaxially sparsely hirtellous along veins, sparsely yellowish glandular, base broadly cuneate, margin crenate except for entire base, apex obtuse; lateral veins 3- or 4-paired, elevated. Panicles slightly patent, (6-)10-15(-20) cm, glandular pubescent; floral leaves similar to stem leaves, smaller; bracteoles linear, 1-2 mm. Pedicel 1-3 mm. Calyx purplish, 4-5 mm, slightly declinate, broadly campanulate, hirtellous on veins outside, sparsely yellowish glandular, ± 2-lipped; teeth lanceolate-ovate, 1-1.5 mm, lower 2 slightly wider; fruiting calyx dilated, 6-7 mm, conspicuously 10-veined. Corolla blue or purple, sparsely pubescent outside, tube to 1 cm, limb ca. 5 mm. Stamens included. Style included. Nutlets dark brown, ovoid, ca. 1.5 mm wide, glabrous. Fl. Jul-Aug, fr. Aug-Oct.
* Dry shady areas among shrub layer in pine, bamboo, and fir forests; 2700-3500 m. Xizang, Yunnan.

【拼音名】 Lù Zhū Xiānɡ Chá Cài
【别名】 水龙胆草、紫萼香茶菜
【来源】 唇形科露珠香茶菜Rabdosia irrorata (Forrest ex Diels)Hara [Plectranthus irroratus Forr.],以全草入药。
【生境分布】 四川、贵州、云南。
【性味】 苦、微甘,寒。
【功能主治】 清热解毒。
颜面丹毒(大头瘟):根3~5钱,水煎服。
无名肿毒:全草适量,捣烂敷患处。
【摘录】 《全国中草药汇编》

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