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光萼青兰Dracocephalum argunense

时间:2013-09-25 13:00来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):光萼青兰 学名( Scientific Name ): Dracocephalum argunense Fisch. ex Link 英文名( English Common Name ): 别名( Chinese Common Name ): 北青兰 异名( Synonym ): Dracocephalum ruyschiana var. argunense Naka
中文名(Chinese Name):光萼青兰
学名(Scientific Name):Dracocephalum argunense Fisch. ex Link
英文名(English Common Name):
别名(Chinese Common Name):北青兰
异名(Synonym):Dracocephalum ruyschiana var. argunense Nakai  Dracocephalum ruyschiana var. speciosum Ledeb.  Dracocephalum japonicum (A.Gray) Kud?  Dracocephalum ruyschiana var. japonicum A.Gray  Ruyschiana argunensis (Fisch. ex Link) House
科属(Family & Genus):唇形科(Labiatae)青兰属
形态特征(Description):茎多数自根茎生出,直立,高35-57厘米,不分枝,在叶腋有具小型叶不发育短枝,上部四棱形,疏被倒向的小毛,中部以下钝四棱形或近圆柱形,几无毛。茎下部叶具短柄,柄长为叶片的1/4-1/3,叶片长圆状披针形,长2.2-4厘米,宽5-6毫米,先端钝,基部楔形,在下面中脉上疏被短毛或几无毛;茎中部以上之叶无柄,披针状线形,长4.5-6.8厘米,宽3.2-6毫米;在花序上之叶变短,披针形或卵状披针形。轮伞花序生于茎顶2-4个节上,占长度2-4.5厘米,多少密集,苞片长为萼之1/2或2/3,绿色,椭圆形或匙状倒卵形,先端锐尖,边缘被睫毛。花萼长1.4-1.8厘米,下部密被倒向的小毛,中部变稀疏,上部几无毛,2裂近中部,齿锐尖,常带紫色,上唇3裂约至本身2/3处,中齿披针状卵形,较侧齿稍宽,侧齿披针形,下唇2裂几至本身基部,齿披针形。花冠蓝紫色,长3.3-4厘米,外面被短柔毛。花药密被柔毛,花丝疏被毛。花期6-8月。
分布(Distribution):产东北,内蒙古,河北;生于海拔180-750米山坡草地或草原,江岸沙质草甸或灌丛中。俄罗斯、朝鲜也有。
用途(Use):
引自植物志英文版:FOC Vol. 17 Page 133
Dracocephalum argunense Fischer ex Link, Enum. Hort. Berol. Alt. 2: 118. 1822.
光萼青兰 guang e qing lan | Lamiaceae  | Dracocephalum
Dracocephalum ruyschiana Linnaeus var. argunense Nakai; D. ruyschiana Linnaeus var. speciosum Ledebour; D. speciosum Ledebour.
Stems numerous, erect, 35-57 cm, sparsely retrorse minute hairy toward apex, subglabrous toward base. Petiole 1/4-1/3 as long as blade, absent in apical leaves; basal leaf blade oblong-lanceolate, 2.2-4 × 0.5-0.6 cm; upper cauline blade lanceolate-linear, 4.5-6.8 × 0.3-0.6 cm, abaxially sparsely pubescent on veins or subglabrous, base cuneate, apex obtuse. Verticillasters in upper 2-4 nodes, ± crowded; floral leaves lanceolate to ovate-lanceolate; bracts green, elliptic to spatulate-obovate, 7-12 mm, apex acute, ciliate. Calyx 1.4-1.8 cm, densely retrorse minute hairy basally, subglabrous at apex, 2-lipped to ca. 1/2 its length; upper lip teeth divisions to 2/3 of lip, middle tooth lanceolate-ovate, slightly wider than lateral teeth; lateral teeth of upper lip lanceolate; lower lip teeth lanceolate, apex purplish, acute. Corolla blue-purple, 3.3-4 cm, pubescent. Fl. Jul-Aug.
Grassy slopes, grasslands, sandy and grassy riverbanks, thickets; 200-800 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol [Korea, Russia].





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