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长柱玄参Scrophularia stylosa

时间:2013-11-09 15:51来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 长柱玄参 学名( Scientific Name ): Scrophularia stylosa Tsoong 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 玄参科(Scrophulariaceae)玄参属 形
中文名(Chinese Name):长柱玄参
学名(Scientific Name):Scrophularia stylosa Tsoong
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):玄参科(Scrophulariaceae)玄参属
形态特征(Description):根未见。茎高达60厘米,不分枝或上部具短分枝,中空,生有在下部较疏而在上部较密的腺毛。叶全部对生,下面两对极小;柄长达4厘米,有狭翅;叶片质地较薄,狭卵形至宽卵形,长达9厘米,基部宽楔形至亚心形,上面绿色,下面带灰白色,边缘有大尖齿,稀浅圆齿,齿长达5毫米,基部宽过于长。聚伞花序具1-3花,全部腋生,总梗和花梗细长,生腺柔毛,前者长达1.5厘米,后者长达2.5厘米;花萼长4-5毫米,具短腺毛,裂片披针状卵形至披针形,顶端尖;花冠淡黄色,长15-18毫米,花冠筒稍肿大,长9-11毫米,上唇较下唇长1.5毫米,裂片近圆形,边缘相互重叠,下唇裂片均为圆卵形,中裂片稍大;雄蕊略短于下唇,退化雄蕊倒心形,长约0.5毫米;子房长约3毫米,具长约8毫米的花柱。蒴果尖卵形,连同短喙长9-11毫米。花期6月,果期7-9月。
分布(Distribution):为我国特有种,产陕西,生海拔2000-3000米石崖上。
用途(Use):
引自中国植物志英文版:FOC Vol. 18 Page 15     
Scrophularia stylosa P. C. Tsoong, Fl. Reipubl. Popularis Sin. 67(2): 394. 1979.
长柱玄参 chang zhu xuan shen| Scrophulariaceae  | Scrophularia
Stems to 60 cm tall, simple or apically short branched. Stems densely glandular hairy, hollow. Leaves lower 2 pairs smaller than others; petiole to 4 cm, narrowly winged; leaf blade narrowly to broadly ovate, to 9 X 9.5 cm, thin, abaxially grayish white, adaxially green, base broadly cuneate to subcordate, margin toothed to rarely shallowly crenate-toothed. Cymes axillary, 1-3-flowered; peduncle slender, ca. 1.5 cm, glandular hairy; bracts large, foliaceous. Pedicel slender, to 2.5 cm, glandular hairy. Calyx 4-5 mm, glandular pubescent; lobes lanceolate-ovate to lanceolate, apex acute. Corolla light yellow, 1.5-1.8 cm; tube 0.9-1.1 cm; lower lip lobes orbicular, middle lobe larger than other lobes; upper lip ca. 1.5 mm longer than lower lip, lobes rotund, with overlapping margins. Stamens slightly shorter than lower lip; staminode obcordate, ca. 0.5 mm. Ovary ca. 3 mm. Style ca. 8 mm. Capsule narrowly ovoid, 0.9-1.1 cm including beak. Fl. Jun, fr. Jul-Sep.
* On rocks; 2000-3000 m. Shaanxi (Foping Xian).
 


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