笔龙胆Gentiana zollingeri

中文名(Chinese Name):笔龙胆
学名(Scientific Name):Gentiana zollingeri Fawcett [
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Gentiana aomorensis H.Lév.  Gentiana zollingeri f. yaichiana Toyok. & Y.Toyok.  Varasia zollingeri (Fawc.) Soják
科属(Family & Genus):龙胆科(Gentianaceae)龙胆属
形态特征(Description):一年生草本,高3-6厘米。茎直立,紫红色,光滑,从基部起分枝,稀不分枝。叶卵圆形或卵圆状匙形,长10-13毫米,宽3-8毫米,先端钝圆或圆形,具小尖头,边缘软骨质,平滑或有不明显细乳突,两面光滑,叶脉1-3条,在两面均明显,中脉在下面呈脊状突起,叶柄光滑,长1-2毫米,有时最上部叶狭窄,披针形或狭椭圆形,长7-9毫米,宽1.5-2毫米,先端渐尖,有短小尖头,边缘膜质,宽,有不明显的细乳突,中脉在下面呈脊状突起;基生叶在花期不枯萎,与茎生叶相似而较小;茎生叶常密集,覆瓦状排列,稀疏离。花多数,单生于小枝顶端,小枝密集呈伞房状,稀单花顶生;花梗紫色,光滑,长1-2.5毫米,藏于上部叶中;花萼漏斗形,长7-9毫米,裂片狭三角形或卵状椭圆形,长3.5-4.5毫米,先端急尖,具短小尖头,边缘膜质,平滑,中脉在背面作脊状突起,并向萼筒作短的下延,弯缺截形;花冠淡蓝色,外面具黄绿色宽条纹。漏斗形,长14-18毫米,裂片卵形,长2.5-3毫米,先端钝,褶卵形或宽矩圆形,长1-1.5毫米,先端钝,浅2裂或有不整齐细齿;雄蕊着生于冠筒中部,整齐,花丝丝状钻形,长4-5毫米,花药矩圆形,长1.5-2毫米;子房椭圆形,长4.5-5.5毫米,先端钝,基部渐狭,柄长2.5-3.5毫米,花柱线形,长1.5-2毫米,柱头外反,2裂,裂片矩圆形。蒴果外露或内藏,倒卵状矩圆形,长6-7毫米,先端圆形,具宽翅,两侧边缘有狭翅,柄长至10毫米;种子褐色,椭圆形,长0.3-0.4毫米,表面具细网纹。花果期4-6月。
分布(Distribution):产东北、陕西、山西、河北、河南、山东、湖北、安徽、江苏、浙江。生于草甸、灌丛中、林下,海拔500-1650米。苏联、朝鲜、日本也有分布。
用途(Use):
引自中国植物志英文版FOC Vol. 16 Page 93
Gentiana zollingeri Fawcett, J. Bot. 21: 183. 1883.
笔龙胆 bi long dan | Gentianaceae  | Gentiana
Annuals 3-6 cm tall. Stems purple, erect, branched from base or rarely simple, glabrous. Leaves usually widely spaced; petiole tube 1-2 mm; leaf blade broadly ovate to suborbicular, 1-1.3 cm × 3-8 mm, margin cartilaginous, smooth or ciliolate, apex rounded and mucronate, veins 1-3. Leaves sometimes narrowed toward stem apex; leaf blade lanceolate to narrowly elliptic, 7-9 × 1.5-2 mm, margin narrowly membranous and ciliolate, apex acuminate and apiculate, midvein distinct. Flowers (1 or) few to many. Pedicel purple, 1-1.5 mm, glabrous. Calyx narrowly obconic, 7-9 mm; lobes narrowly triangular to ovate-elliptic, 3.5-4.5 mm, equal, as long as tube, margin narrowly membranous and smooth, apex acute, midvein prominent. Corolla pale blue, with pale yellow base, funnelform, 1.4-1.7 cm; lobes ovate, 2.5-3 mm, margin entire, apex obtuse; plicae broadly oblong to ovate, 1-1.5 mm, margin slightly 2cleft to denticulate, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 4-5 mm; anthers ellipsoid, 1.5-2 mm. Style 1.5-2 mm; stigma lobes oblong. Capsules narrowly obovoid, 6-7 mm; gynophore to 1 cm, stout. Seeds brown, ellipsoid, 0.3-0.5 mm. Fl. and fr. Apr-Jun.
Meadows, scrub, forests; 500-1600 m. Anhui, Fujian, Gansu, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Qinghai, Xinjiang, Zhejiang [Japan, Korea, E Russia].
笔龙胆Gentiana zollingeri

笔龙胆Gentiana zollingeri

笔龙胆Gentiana zollingeri(责任编辑:徐晔春)

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