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锡金鼠尾草Salvia sikkimensis Stib.

锡金鼠尾草Salvia sikkimensis Stib.

科名:唇形科 Labiatae

属名:鼠尾草属 Salvia

《中国植物志》第66卷114页
  25.锡金鼠尾草
  Salvia sikkimensis Stib. in Fedde, Repert. Sp. Nov. 39: 177. 1936; Mukerj. Lab. Ind. 115. 1940; Murata in Act. Phytotax. Geobot. 24: 88. 1969; in Hara, Fl. E. Himal 2nd Rep. 117. 1971
形态特征:多年生草本;根茎肥大,粗短,顶端覆盖有褐色鳞片,鳞片长圆形或卵圆形,长1—1.5厘米,其下生出单头或多头的木质条状根。茎1—2,直立或上升,具四棱及四槽,被长柔毛,不分枝。叶片卵圆形,长达12厘米,宽可达9.5厘米,先端钝或近急尖,基部心形或近戟形,边缘具重圆齿,齿尖具短小尖头,近膜质,上面榄绿褐色,被小粗伏毛,下部较淡,主沿脉上被短柔毛,余部被腺点;基出叶叶柄长约为叶片之2倍,茎生叶的较短,长0.3—7厘米,密被长柔毛。轮伞花序具2(—6)花,组成长6—15厘米顶生总状花序,或此花序下部具二分枝因而组成总状圆锥花序;苞片卵圆形或菱状卵圆形,位于下部者比花梗长,位于上部者则比花梗短,先端突然渐尖或短渐尖,基部楔形,上面近无毛,下面被具腺疏柔毛及疏腺点,边缘被缘毛;花梗长3—10毫米,与序轴密被或疏被长柔毛及具腺疏柔毛。花萼钟形,花时长约10毫米,花后稍增大,长达1.5厘米,外面被长柔毛及具腺疏柔毛,混生有黄褐色腺点,内面被微硬伏毛,浅二唇形,上唇三角状卯圆形,长约3毫米,宽约1厘米,先端锐尖,具短尖头,下唇具2齿,齿宽三角形,具短尖头。花冠黄白色或浅粉色有紫点,长约2.8厘米,外被稀疏的疏柔毛,上唇尤为密集,内面离冠筒基部3—5毫米有斜向间断的疏柔毛毛环,冠筒长约1.8厘米,基部筒状,至毛环处稍收缩,自毛环上渐宽大,至喉部宽达1厘米,冠檐二唇形,上唇前伸,近倒卵圆形,长约7毫米,宽约6毫米,近扁平,先端微凹,下唇3裂,具短缘毛,中裂片最大,近梯形,宽约9毫米,先端微凹,边缘浅波状,侧裂片卵圆形,宽3.5毫米,先端有时由于脉延伸而具小尖头。能育雄蕊稍外伸出上唇之上或不伸出,花丝长约5毫米,无毛,药隔长约6毫米,中部关节处被小疏柔毛或近无毛,上下臂相等,下药室较小,彼此稍联合。花柱伸出花冠,先端不相等2裂,后裂片不明显。花盘前方稍膨大。成熟小坚果未见。花期8月。
产地分布:产西藏;生于林内、林边草丛、山坡碎石处及溪旁低湿处,海拔约3350米。锡金.不丹也有。模式标本采自锡金。
参考文献:SalviasikkimensisStib.inFedde,Repert.Sp.Nov.39:177.1936;Mukerj.Lab.Ind.115.1940;MuratainAct.Phytotax.Geobot.24:88.1969;inHara,Fl.E.Himal2ndRep.117.1971
本系概述:Ser.CampanulataeC.Y.WuinAddenda581.叶几乎全部为茎生,宽卵圆形或近圆形,宽与长近相等(比例约1:1)。花序疏松,圆锥状,多分枝。花冠简长为花萼的2倍,自基部向上弯曲。
亚组概述:Subsect.PerennesC.Y.WuinAddenda580.多年生草本。茎通常单一。叶几乎全部为基出叶。花冠长1.5—5厘米。

《Flora of China》 Vol. 17 (1994)
Salvia sikkimensis  E. Peter
锡金鼠尾草   xi jin shu wei cao
Plants perennial. Stems 1 or 2, erect to ascending, villous, unbranched. Petiole of lower stem leaves ca. 2 × as long as blades; leaf blade ovate, to 12 × 9.5 cm, ± membranous, adaxially fine strigose, abaxially pubescent mainly on veins, glandular, base cordate to subhastate, margin mucronulate-crenate, apex obtuse to subacute. Inflorescences densely to sparsely villous, glandular pilose; verticillasters 2(-6)-flowered, in terminal raceme-panicles 6-15 cm; bracts ovate to rhombic-ovate, apex abruptly acuminate, glandular pilose. Pedicel 3-10 mm. Calyx funnelform-campanulate to campanulate, ca. 1 cm in flower, slightly dilated to 1.5 cm in fruit, villous, glandular pilose, intermixed with yellow-brown glands; upper lip triangular-ovate, ca. 3 × 10 mm, apex spiny-acute; teeth of lower lip broadly triangular, apex short spiny. Corolla yellow-white or reddish and purple spotted, ca. 2.8 cm, sparsely pilose especially on upper lip; tube obliquely pilose annulate on basal 3-5 mm inside, ca. 1.8 cm, base tubular, constricted at hairy annulus but gradually dilated, to 1 cm wide at throat; upper lip projected, subobovate, ca. 7 × 6 mm. Filaments ca. 5 mm; connectives ca. 6 mm, arms equal. Style exserted. Nutlets unknown. Fl. Aug.
Forests, forest margins, hillsides, streamsides; ca. 3300 m. Xizang [Bhutan, India]

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