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西伯利亚远志Polygala sibirica

时间:2013-10-30 13:50来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):西伯利亚远志 学名( Scientific Name ): Polygala sibirica L. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 远志科Polygalaceae远志属Polygala 形态特
中文名(Chinese Name):西伯利亚远志
学名(Scientific Name):Polygala sibirica L.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):远志科Polygalaceae远志属Polygala
形态特征(Description):多年生草本,高10-30厘米;根直立或斜生,木质。茎丛生,通常直立,被短柔毛。叶互生,叶片纸质至亚革质,下部叶小卵形,长约6毫米,宽约4毫米,先端钝,上部者大,披针形或椭圆状披针形,长1-2厘米,宽3-6毫米,先端钝,具骨质短尖头,基部楔形,全缘,略反卷,绿色,两面被短柔毛,主脉上面凹陷,背面隆起,侧脉不明显,具短柄。总状花序腋外生或假顶生,通常高出茎顶,被短柔毛,具少数花;花长6-10毫米,具3枚小苞片,钻状披针形,长约2毫米,被短柔毛;萼片5,宿存,背面被短柔毛,具缘毛,外面3枚披针形,长约3毫米,里面2枚花瓣状,近镰刀形,长约7.5毫米,宽约3毫米,先端具突尖,基部具爪,淡绿色,边缘色浅;花瓣3,蓝紫色,侧瓣倒卵形,长5-6毫米,2/5以下与龙骨瓣合生,先端圆形,微凹,基部内侧被柔毛,龙骨瓣较侧瓣长,背面被柔毛,具流苏状鸡冠状附属物;雄蕊8,花丝长5-6毫米,2/3以下合生成鞘,且具缘毛,花药卵形,顶孔开裂;子房倒卵形,径约2毫米,顶端具缘毛,花柱肥厚,顶端弯曲,长约5毫米,柱头2,间隔排列。蒴果近倒心形,径约5毫米,顶端微缺,具狭翅及短缘毛。种子长圆形,扁,长约1.5毫米,黑色,密被白色柔毛,具白色种阜。花期4-7月,果期5-8月。
分布(Distribution):产全国各地;生于砂质土、石砾和石灰岩山地灌丛,林缘或草地,海拔1 100-3 300(-4 300)的米。分布于欧洲东部、俄罗斯酉伯利亚、尼泊尔、克什米尔地区、印度东北部、蒙古和朝鲜北部。
用途(Use):本种的根可代远志入药。
引自中国植物志英文版:FOC Vol. 11 Page 143, 156   
Polygala sibirica Linnaeus, Sp. Pl. 2: 702. 1753.
西伯利亚远志 xi bo li ya yuan zhi | Polygalaceae  | Polygala
Herbs perennial, 10-30 cm tall. Roots woody. Stems caespitose, often erect, pubescent. Petiole short; leaf blade papery or subleathery; lower leaves ovate, small, ca. 6 × 4 mm, apex obtuse; upper leaves lanceolate or elliptic-lanceolate, large, 10-20 × 3-6 mm, green, both surfaces pubescent, midvein raised abaxially, impressed adaxially, lateral veins obscure or raised adaxially, base cuneate, margin entire, slightly recurved, apex obtuse, with acumen. Racemes extra-axillary or pseudoterminal, usually over apex of stem, branches pubescent, few flowered; bracteoles 3, subulate-lanceolate, ca. 2 mm, pubescent. Flowers 6-10 mm. Sepals 5, persistent, outside pubescent, ciliate; outer sepals 3, lanceolate, ca. 3 mm; inner sepals 2, petaloid, subfalcate, ca. 7.5 × 3 mm, greenish, base unguiculate, apex cuspidate. Petals 3, connate in lower 2/5, blue-purple; lateral petals 5-6 mm, longer than keel, inside hairy at base, apex rounded, retuse; keel hairy abaxially, apex with fimbriate appendages. Stamens 8; filaments 5-6 mm, united at least in lower 2/3, forming an open ciliate staminal sheath; anthers ovoid. Ovary obovoid, ca. 2 mm in diam., apex ciliate; style thickened, apex curved, ca. 5 mm; stigmas moderately well separated. Capsule subcordate, ca. 5 mm in diam., narrowly winged, shortly ciliate, apex retuse. Seeds black, compressed-oblong, ca. 1.5 mm, densely white pubescent, with white strophiole. Fl. Apr-Jul, fr. May-Aug. 2n = 34.
Shrub forests, sparse forests, forest margins, grasslands on sandy loam, grassy slopes, gravel, limestone mountains, roadsides on hills; 1100-3300 m. Gansu, Guizhou, Hebei, Heilongjiang, Henan, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Xizang, Yunnan [Bhutan, India, Japan, Kashmir, Korea, Mongolia, Myanmar, Nepal, Russia; SW Asia, Australia, Europe].
 


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