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圆苞鼠尾草Salvia cyclostegia Stib.

圆苞鼠尾草Salvia cyclostegia Stib.

别名:园苞鼠尾草;圆苞鼠尾;

科名:唇形科 Labiatae

属名:鼠尾草属 Salvia

《中国植物志》第66卷097页
  12.圆苞鼠尾草(中国植物学杂志,第三卷)
  Salvia cyclostegia Stib. in Act. Hort. Gothob. 9: 118. 1934; in Hand.-Mazz. Sy mb. Sin. 7: 928, t. 14, f. 6. 1936.
形态特征:多年生草本;根茎粗壮,单一或分枝,其上密被宿存的鳞片,鳞片呈卵圆状披针形,长达2厘米,根茎下方有粗而下伸的条状主根及细长的须根,上方生出叶簇及单茎或多茎。茎粗壮,具四棱及四槽,单一或分枝,被褐色长柔毛。叶有基出叶及茎生叶两种;叶片均呈阔卵圆形或圆形,长2.3—13厘米,宽约为长之半或较小,先端圆形或钝尖,基部心形或戟形,稀截形,边缘具圆齿或重圆齿,草质,两面绿色或下面紫褐色而略有皱纹,两面密被腺点,脉上被疏柔毛;叶柄具宽翅或狭鞘状,基出叶者较长,长2—8厘米,茎生叶者较短至近无柄,被毛同茎。轮伞花序2—6花,组成长达20厘米密集或下部间断的总状花序,有时此花序下部具分枝而呈总状圆锥花序;苞片在下部者近圆形,直径1—2厘米,极全缘或具短齿,上部的宽卵圆形或卵圆形,较短,均先端圆形或稀近锐尖,具脉,有柔毛状缘毛,花梗短,长约2毫米,与序轴密被褐色长柔毛。花萼阔钟形,长1—1.5厘米,外沿脉被褐色具节长柔毛,余部散布腺点,内被微硬伏毛,二唇形,上唇全缘,具3脉,先端微凹,下唇较上唇稍长,半裂成2齿,齿三角形,先端具短小突尖。花冠白色或浅黄或乳黄色,有时有少数灰斑,外面疏被但在上唇密被柔毛,内面离冠筒基部5—7毫米有斜向间断的疏柔毛毛环,冠筒基部圆柱状,向上腹状膨大,长约为花萼长之二倍,向上稍弯曲,冠檐二唇形,上唇直伸,圆状卵圆形,长约9毫米,下唇较上唇长,3裂,中裂片最大,倒心形,长8毫米,宽12毫米,先端微凹,边缘略呈波状,无毛,侧裂片半圆形,宽约5毫米,具缘毛。能育雄蕊伸在上唇内面,花丝扁平,长约7毫米,无毛,药隔长约6毫米,无毛,弯成弧形,上下臂近等长,药室均发育,下臂的较小,顶端联合。花柱伸出花冠,先端极不相等2浅裂,后裂片极不明显。花盘前方稍膨大。成熟小坚果未见。花期4—5月。
产地分布:产云南西北部、四川西南部,生于山坡、草地、竹林或松林下,海拔2700—3300米。模式标本采自云南丽江干海子。
参考文献:SalviacyclostegiaStib.inAct.Hort.Gothob.9:118.1934;inHand.-Mazz.Symb.Sin.7:928,t.14,f.6.1936.
本系概述:Ser.Maximowiczianae C. Y.Wu in Addenda 580.叶近圆形或宽卵圆形或卵圆形或五角形,宽与长近于相等(比例约1:1),先瑞渐尖或锐尖稀钝,基部深心形或浅戟形,基裂片常延伸成长齿。花冠筒前伸或整个自基部向上弯曲。Ser.Maximowiczianae C. Y.Wu in Addenda 580.叶近圆形或宽卵圆形或卵圆形或五角形,宽与长近于相等(比例约1:1),先瑞渐尖或锐尖稀钝,基部深心形或浅戟形,基裂片常延伸成长齿。花冠筒前伸或整个自基部向上弯曲。
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 cyclostegia  E. Peter
圆苞鼠尾草   yuan bao shu wei cao
Plants perennial. Stems robust, brown villous. Petiole of basal leaves 2-8 cm, shorter to obsolete in upper leaves, brown villous; leaf blade broadly ovate to circular, 2.3-13 × 1.2-6.5 cm, densely glandular, pilose on veins, base cordate to hastate, margin crenate, apex rounded to obtuse. Verticillasters 2-6-flowered, in racemes or panicles to 20 cm; rachis densely brown villous; lower bracts subcircular, 1-2 cm in diam., upper bracts broadly ovate to ovate. Pedicel ca. 2 mm, densely brown villous. Calyx broadly campanulate, 1-1.5 cm, sparsely glandular, brown villous along veins; upper lip entire, emarginate; lower lip slightly longer, teeth triangular, apex short mucronate. Corolla sparsely pubescent, densely so on upper lip outside; tube pilose annulate inside, base cylindric, apex dilated on upper side, 2-3 cm, slightly curved upward; upper lip erect, circular-ovate, ca. 9 mm; lower lip longer, middle lobe obcordate, ca. 0.8 × 1.2 cm, margin slightly undulate, glabrous; lateral lobes semicircular, ca. 5 mm wide, ciliate. Filaments ca. 7 mm; connectives ca. 6 mm, arcuate, arms subequal. Style exserted. Nutlets unknown. Fl. Apr-May.
Forests, hillsides, grasslands, bamboo forests, pine forests; 2700-3300 m. Sichuan, Yunnan

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