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华北獐牙菜Swertia wolfangiana Gruning

华北獐牙菜Swertia wolfangiana Gruning

别名:乌氏当药,代哇

科名:龙胆科 Gentianaceae

属名:獐牙菜属 Swertia

《中国植物志》第62卷363页
  14. 华北獐牙菜(中国高等植物图鉴)乌氏当药(中国北部植物图志),代哇
  Swertia wolfangiana Gruning in Fedde, Rep. Sp. Nov. 12: 309. 1913; Limpr. ibid. Beih. 12: 469. 1922;中国北部植物图志2: 51. 图版21. 1933;中国高等植物图鉴3: 409. 图4772. 1974. ——S. obtusipetala Gruning, l. c. Beih. 12:469. 1922. syn. nov. ——S. marginata auct. non Schrenk: K. S. Hao in Bot. Jahrb. 68: 630. 1938; 青藏高原药物图鉴1: 126. 图52. 1972.
  多年生草本,高8-55厘米,具短根茎。茎直生,中空,近圆形,有细条棱,不分枝,基部直径1-2.5毫米,被黑褐色枯老叶柄。基生叶1-2对,具长柄,叶片矩圆形或椭圆形,长2-9厘米,宽1-3厘米,先端钝或圆形,基部渐狭成柄,叶脉3-5条,在下面突起,叶柄扁平,长2.5-6厘米;茎中部裸露无叶,上部具1-2对极小的、苞叶状的叶,卵状矩圆形,长1.5-3厘米,宽0.5-1厘米,先端钝,基部无柄,离生,半抱茎,叶脉1-3条,在下面细而明显。聚伞花序具2-7花或单花顶生;花梗黄绿色,直立和斜伸,不整齐,长2-5厘米;花萼绿色,长为花冠的1/2-2/3,裂片卵状披针形,长8-13毫米,宽3-5毫米,先端急尖,具明显的白色膜质边缘,脉不明显;花冠黄绿色,背面中央蓝色,裂片矩圆形或椭圆形,长15-20毫米,先端钝或圆形,稍呈啮蚀状,基部具2个腺窝,腺窝下部囊状,边缘具长3-4毫米的柔毛状流苏;花丝线形,长8-12毫米,基部背面具流苏状短毛,花药蓝色,矩圆形,长3-4毫米;子房无柄,椭圆形,长8-15毫米,花柱不明显,柱头小,2裂,裂片半圆形。蒴果无柄,椭圆形,与宿存花冠等长;种子深褐色,矩圆形,长1-1.2毫米,具纵的皱折。花果期7-9月。
  产西藏东部、四川、青海、甘肃南部、山西、湖北西部。生于高山草甸、沼泽草甸、灌丛中及潮湿地,海拔1500-5260米。模式标本采自山西五台山。

《Flora of China》 Vol. 16 (1995)
Swertia wolfgangiana  Gruning
华北獐牙菜   hua bei zhang ya cai
Swertia obtusipetala Grüning.
Perennials 8-55 cm tall. Rhizomes blackish, short, with few slightly fleshy rootlets. Stems erect, striate, simple, base sheathed by blackish remains of old petioles. Basal leaves 1 or 2 pairs; petiole flattened, 2.5-6 cm, base connate; leaf blade oblong to elliptic, 2-9 × 1-3 cm, base narrowed, apex obtuse to rounded, veins 3-5. Stem leaves 1 or 2 pairs, sessile, bractlike, ovate-oblong, 1.5-3 cm × 5-10 mm, base obtuse and subamplexicaul, apex obtuse, veins 1-3. Inflorescences racemelike, (1-)3-9-flowered. Flowers 5merous. Pedicel spreading to erect, 2-5 cm. Calyx lobes ovate-lanceolate, 0.8-1.3 cm × 3-5 mm, margin membranous, apex acute. Corolla pale yellow-green, blue in middle of outer surface, 1.5-3 cm in diam., tube 1.5-2 mm; lobes oblong to elliptic, 1.5-2 cm, apex obtuse to rounded and erose. Nectaries 2 per corolla lobe, cupular, with pilose fimbriae 3-4 mm. Filaments 0.8-1.2 cm, base short fimbriate-barbate; anthers blue, ellipsoid, 3-4 mm. Style indistinct; stigma lobes ellipsoid to suborbicular. Capsules ellipsoid, as long as persistent corolla. Seeds dark brown, ellipsoid, 1-1.2 mm, longitudinally rugose. Fl. and fr. Jul-Sep.
* Moist places, swamp meadows, scrub, alpine meadows; 1500-5300 m. S Gansu, W Hubei, Qinghai, Shanxi, Sichuan, E Xizang.

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