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短冠鼠尾草Salvia brachyloma

时间:2013-09-25 13:21来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):短冠鼠尾草 学名( Scientific Name ): Salvia brachyloma Stib. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 唇形科(Labiatae)鼠尾草属 形态特征( D
中文名(Chinese Name):短冠鼠尾草
学名(Scientific Name):Salvia brachyloma Stib.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):唇形科(Labiatae)鼠尾草属
形态特征(Description):多年生草本;根茎粗短,顶端覆以多数残存的老叶柄,其下有粗达1.5厘米的扭曲条状主根,主根上有纤细的须根。茎连花序高20-57厘米,单一或少数自根茎生出,直立,钝四稜形,具四浅槽及条纹,被向下的疏柔毛。叶有基出叶及茎生叶,叶片均戟形或长卵圆形,长3.5-11厘米,宽2-5厘米,先端锐尖或短渐尖,基部浅心形或戟形,边缘具不整齐的细圆齿,草质,幼时具细皱,上面绿色,下面较淡,两面密被短的白色柔毛,老时上面被短柔毛,下面沿脉上被微柔毛余部无毛,两面密被红褐色腺点;叶柄长1-13厘米,根出叶者最长,茎生叶者较短,近花序者几无柄,细弱,被向下的疏柔毛。轮伞花序2花,疏离,排列成长10-15厘米的顶生单一总状花序,有时总状花序下部具二短枝而呈三叉状的总状圆锥花序;苞片宽卵圆形,长6-9毫米,先端骤渐尖,基部近圆形,全缘,两面略被疏柔毛及红褐色腺点,边缘被长缘毛;花梗长约2毫米,与序轴密被平展长柔毛及混生具腺疏柔毛。花萼钟形,长(10)13-16毫米,外面特别是沿脉上被长柔毛,余部混生红褐色腺点,内面被微硬伏毛,二唇形,上唇宽三角形,长4-5毫米,宽约9毫米,全缘,先端突尖,下唇比上唇稍长,半裂成2齿,齿三角形,先端突尖。花冠淡紫色,长2-2.3厘米,外面被短柔毛,内面离冠筒基部3-5毫米有斜向连续的毛环,冠筒长约1.6厘米,基部宽约2.5毫米,向上渐腹状膨大,至喉部略收缩,宽约8毫米,冠檐短,二唇形,上唇倒心形,长约3毫米,宽5毫米,先端微凹,下唇宽大,长约5毫米,宽11毫米,3裂,中裂片近扇形,长3毫米,宽6毫米,边缘波状,基部略收缩,侧裂片半圆形,宽达3毫米。能育雄蕊伸至上唇片下,花丝长约5毫米,无毛,药隔短,长1.8-2毫米,上下臂近等长,下臂药室先端互相联合;退化雄蕊短小,长约1毫米。花柱略伸出花冠,先端不相等2浅裂,后裂片极短。花盘前方稍膨大。小坚果倒卵圆形,长约2毫米,黑色。花期6-7月。
分布(Distribution):产云南及四川;生于海拔3200-3800米林下、林边草坡或草地上。
用途(Use):
引自植物志英文版FOC Vol. 17 Page 205
Salvia brachyloma E. Peter, Acta Horti Gothob. 9: 124. 1934.
短冠鼠尾草 duan guan shu wei cao | Lamiaceae  | Salvia
Plants perennial. Stems 1 to few, 20-57 cm, erect, retrorse villous. Petiole 1-13 cm; leaf blade hastate to narrowly ovate, 3.5-11 × 2-5 cm, densely red-brown glandular, adaxially densely white pubescent when young, pubescent with age, abaxially densely white pubescent when young, glabrous except for puberulent veins, base shallowly cordate to hastate, margin irregularly crenulate, apex acute to short acuminate. Inflorescences densely spreading villous, glandular pilose; verticillasters 2-flowered, widely spaced, in terminal racemes or panicles 1-15 cm; bracts broadly ovate, 6-9 mm, slightly pilose, red-brown glandular, ciliate, apex abruptly acuminate. Pedicel ca. 2 mm. Calyx campanulate, (1-)1.3-1.6 cm, villous especially on veins, red-brown glandular; upper lip broadly triangular, 4-5 × ca. 9 mm, margin entire, apex mucronate; lower lip slightly longer than upper, teeth triangular, apex mucronate. Corolla purplish, 2-2.3 cm, pubescent; tube obliquely and continuously pilose annulate inside, ca. 1.6 cm, ca. 2.5 mm wide at base, adaxially gradually dilated to apex, slightly constricted, ca. 8 mm wide at throat; upper lip obcordate, ca. 3 × 5 mm; lower lip enlarged, ca. 5 × 11 mm; middle lobe subflabellate, ca. 3 × 6 mm, undulate; lateral lobes semicircular, to 3 mm. Filaments ca. 5 mm; connectives 1.8-2 mm, arms equal. Style slightly exserted. Nutlets obovoid, ca. 2 mm, black. Fl. Jun-Jul.
* Grassy slopes, forested grasslands; 3200-3800 m. Sichuan, Yunnan.
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