学名（Scientific Name）：Clematis tangutica (Maxim.) Korsh.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Clematis chrysantha Ulbr. Clematis orientalis var. tangutica Maxim. Clematis atragenoides Batalin Clematis eriopoda Maxim. Clematis tangutica subsp. obtusiuscula (Rehder & E.H.Wilson) Grey-Wilson Clematis tibetana subsp. tangutica (Maxim.) Brandenb.
科属（Family & Genus）：毛茛科（Ranunculaceae）铁线莲属
形态特征（Description）：落叶藤本，长1-4米（生于干旱沙地的植株高仅30厘米左右）。主根粗壮，木质。茎有明显的棱，幼时被长柔毛，后脱落。一回羽状复叶，有5-7小叶；小叶片基部常浅裂、深裂或全裂，侧生裂片小，中裂片较大，卵状长圆形、狭长圆形或披针形，长(2-)3-4（5.5厘米，宽0.5-1.5厘米，顶端钝，有短尖头，基部楔形，边缘有不整齐缺刻状的锯齿，上面有毛或无毛，下面有疏长毛; 叶柄长(2-)3-4(-7.5)厘米。花单生，有时为单聚伞花序，有3花，腋生；花序梗粗壮，长（4.5-)6-15（-20)厘米，有柔毛；萼片4，黄色外面带紫色，斜上展，狭卵形、椭圆状长圆形，长1.5-2.5(-3.5)厘米，顶端渐尖或急尖，外面边缘有短绒毛，中间被柔毛，内面无毛，或近无毛；花丝下面稍扁平，被开展的柔毛，花药无毛; 子房密生柔毛。瘦果倒卵形，长约4毫米，有长柔毛，宿存花柱长达4厘米。花期6月至9月，果期9月至10月。
分布（Distribution）：在我国分布于新疆（海拔2160-2700米）、西藏( 3150-4900米）、四川西部(1920-3800米）、青海（1370-2700米）、甘肃南部和东部（1800-3700米）、陕西。生高原草地或灌丛中。苏联中亚地区也有分布。
用途（Use）：全草入药，可健胃、消食，治消化不良、恶心，并有排脓、除疮、消痞块等作用
引自中国植物志英文版：FOC Vol. 6 Page 364
甘青铁线莲 gan qing tie xian lian | Ranunculaceae | Clematis
Clematis tangutica
Credit: Harvard University Herbaria
Vines woody, sometimes dwarf, erect shrublets when growing in dry, sandy, or gravelly regions. Branches shallowly 6--8-grooved, puberulous, glabrescent. Leaves 1- or 2-pinnate; petiole 2--6 cm; leaflet blades rhombic-ovate to narrowly ovate, 1--6 × 0.5--2.8 cm, papery, often 3-lobed near base or undivided, both surfaces sparsely puberulous on veins, base broadly cuneate, rounded, or subcordate, margin denticulate, apex acute to ± obtuse; basal veins abaxially flat. Flowers solitary, terminal, or sometimes also in axillary 1--3-flowered cymes, 2--6 cm in diam.; peduncle 0.3--3 cm; bracts short petiolate, similar to leaflets. Pedicel 3.5--16.5 cm, sericeous-puberulous to subglabrous. Sepals 4, yellow, sometimes tinged purple, ascending, narrowly ovate, lanceolate, or oblong, 1.5--4 × 0.6--1.4 cm, abaxially sparsely puberulous, adaxially glabrous or rarely puberulous, margin abaxially velutinous, apex cuspidate, acuminate, or acute. Stamens 5--11 mm; filaments puberulous; anthers narrowly oblong, 2--3 mm, glabrous, apex obscurely apiculate to subobtuse. Ovaries puberulous. Style 0.9--1.5 cm, densely villous. Achenes rhombic-obovate, ca. 4.5 × 2.2 mm, puberulous; persistent style to 5 cm, plumose. Fl. Jun--Sep, fr. Sep--Oct.
Forests, slopes, scrub, grassy areas, along river banks or streams; 300--4900 m. Gansu, Qinghai, S Shaanxi, W Sichuan, Xinjiang, Xizang [Kazakhstan].
