长白山龙胆Gentiana jamesii

中文名(Chinese Name):长白山龙胆
学名(Scientific Name):Gentiana jamesii Hemsl.
英文名(English Common Name):
别名(Chinese Common Name):白山龙胆
异名(Synonym):Gentiana kawakamii Makino  Gentianodes jamesii (Hemsl.) A et D L?ve  Gentiana nipponica var. kawakamii Makino  Varasia jamesii (Hemsl.) Soják
科属(Family & Genus):龙胆科(Gentianaceae)龙胆属
形态特征(Description):多年生草本,高10-18厘米,具匍匐茎。茎直立,常带紫红色,光滑,不分枝,或有少数分枝。叶略肉质,宽披针形或卵状矩圆形,长7-15毫米,宽2.5-4毫米,先端钝,基部钝圆,半抱茎,边缘外卷,无软骨质也无膜质,上面密被细乳突,下面光滑,叶脉在两面均不明显或仅中脉在下面明显,稍突起,光滑,叶柄光滑,极短,长0.5-1毫米;下部叶较密集,长于节间,有时呈莲座状,中、上部叶开展,疏离,远短于节间。花数朵,单生于小枝顶端;花梗紫红色,光滑,仅长0.7-1.2毫米,藏于最上部叶中;花萼倒锥形,长8.5-10毫米,萼筒膜质,裂片略肉质,开展或外折,绿色,叶状,整齐,卵圆形,长1.5-3毫米,基部宽1-1.5毫米,先端钝圆或钝,无小尖头,基部圆形,明显收缩,边缘无软骨质也无膜质,上面密被细乳突,下面光滑,两面脉均不明显或仅中脉在背面细而明显,弯缺狭,截形;花冠蓝色或蓝紫色,宽筒形,长23-30毫米,裂片卵状椭圆形或矩圆形,长6-7毫米,先端钝圆,无小尖头,全缘或边缘有细齿,褶宽卵形,长2.7-3毫米,先端钝,边缘具不整齐条裂;雄蕊着生于冠筒中部,整齐,花丝丝状钻形,长5-5.5毫米,花药狭矩圆形,长1.8-2毫米;子房椭圆形,长6.5-7.5毫米,两端渐狭,柄粗壮,长8-10毫米,花柱线形,长1.5-2.5毫米,柱头2裂,裂片宽矩圆形。蒴果内藏,宽矩圆形,长6-9毫米,先端钝圆,具宽翅,两侧边缘具狭翅,基部渐狭成柄,柄粗壮,长至16毫米;种子褐色,椭圆形、矩圆形,长0.9-1.1毫米,表面具极细网纹。花果期7-9月。
分布(Distribution):产辽宁、吉林。生于海拔1100-2450米山坡草地、路旁、岩石上。朝鲜、日本也有。
用途(Use):
引自中国植物志英文版FOC Vol. 16 Page 92
Gentiana jamesii Hemsley in F. B. Forbes & Hemsley, J. Linn. Soc., Bot. 26: 128. 1890.
长白山龙胆 chang bai shan long dan | Gentianaceae  | Gentiana
Gentiana kawakamii Makino.
Perennials 10-20 cm tall, with short stolons. Stems erect, fastigiate branched from base or simple, glabrous. Leaves petiolate; leaf blade lanceolate to ovate-elliptic, 0.7-1.5 cm × 2.5-4 mm, abaxially glabrous, adaxially densely papillate, margin ± revolute, apex obtuse, midvein indistinct. Flowers 1 to few, subsessile. Calyx obconic, 8.5-10 mm, tube membranous; lobes spreading to recurved, broadly ovate, 1.5-3 mm, equal, inside densely papillate, base narrowed, apex obtuse and rounded, midvein indistinct. Corolla blue to blue-purple, broadly tubular, 2.3-3 cm; lobes oblong to ovate-elliptic, 6-7 mm, margin entire, apex obtuse to rounded; plicae broadly ovate, 2.5-3 mm, margin laciniate. Stamens inserted at middle of corolla tube, equal; filaments 5-6 mm; anthers narrowly ellipsoid, 1.5-2 mm. Style 1.5-2 mm, linear; stigma lobes oblong. Capsules narrowly obovoid, 6-9 mm; gynophore to 1.6 cm, stout. Seeds brown, ellipsoid, 0.9-1.1 mm. Fl. and fr. Jul-Sep.
Meadow slopes, roadsides, stony places; 1100-2400 m. Heilongjiang, Jilin, Liaoning [Japan, Korea, E Russia].
长白山龙胆Gentiana jamesii

长白山龙胆Gentiana jamesii

长白山龙胆Gentiana jamesii
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