高原唐松草Thalictrum cultratum

中文名(Chinese Name):高原唐松草
学名(Scientific Name):Thalictrum cultratum Wall.
英文名(English Common Name):
别名(Chinese Common Name):马尾黄连、草黄连
异名(Synonym):Thalictrum deciternatum B. Boivin  Thalictrum yui B. Boivin
科属(Family & Genus):毛茛科(Ranunculaceae)唐松草属
形态特征(Description):植株全部无毛,或茎上部和叶片背面有稀疏短毛。茎高50-120厘米,上部分枝。基生叶和茎下部叶在开花时枯萎。茎中部叶有短柄,为三至四回羽状复叶;叶片长9-20厘米,一回羽片4-6对;小叶薄革质,稍肉质,菱状倒卵形、宽菱形或近圆形,长5-10(-14)毫米,宽3-10(-14)毫米,顶端常急尖,基部钝、圆形或浅心形,三浅裂,裂片全缘或有2小齿,表面脉下陷,背面有白粉,脉隆起,脉网明显;叶柄长1-4厘米。圆锥花序长10-24厘米;花梗细,长4-14毫米;萼片4,绿白色,狭椭圆形,长3-4毫米,脱落;雄蕊多数,长6-8毫米,花药狭长圆形,长2-2.6毫米,顶端有短尖头,花丝丝形;心皮4-9,近无柄或子房基部缩成短柄,柱头狭三角形。瘦果扁,半倒卵形,长约3.5毫米,有8条纵肋,近无柄或有长约1毫米的心皮柄,宿存花柱长约1.2毫米。6-7月开花。
分布(Distribution):分布于云南、西藏、四川、甘肃,生海拔1700-3800米间山地草坡、灌丛中或沟边草地,有时生林中。尼泊尔、印度也有分布。
用途(Use):根含小檗碱,可作黄连的代用品。
引自中国植物志英文版:FOC Vol. 6 Page 288     
Thalictrum cultratum Wallich, Pl. Asiat. Rar. 2: 26. 1831.
高原唐松草 gao yuan tang song cao| Ranunculaceae  | Thalictrum
Thalictrum deciternatum B. Boivin; T. yui B. Boivin.
Plants 50--120 cm tall, glabrous or pubescent. Stems branched distally. Basal and proximal cauline leaves withered at anthesis. Middle cauline leaves petiolate; petiole 1--4 cm; leaf blade 3- or 4-pinnate, 9--20 cm; leaflet blade rhombic-obovate, broadly rhombic, or orbicular, 0.5--1(--1.4) × 0.3--1(--1.4) cm, thinly leathery, base rounded or subcordate, apex acute, 3-lobed; lobes entire or 2-toothed; veins raised abaxially. Inflorescence paniculate. Pedicel slender, 4--14 mm. Sepals deciduous, greenish white, narrowly elliptic, 3--4 mm. Stamens many, 6--8 mm; filament filiform; anther narrowly oblong, 2--2.6 mm, apex mucronate. Carpels 4--9. Achenes sessile; body hemiobovoid, ca. 3.5 mm; veins ca. 8. Fl. Jun--Jul.
Scrub, slopes, wet meadows, damp rocky ledges; 1700--3800 m. Gansu, Sichuan, Xizang, NW Yunnan [Bhutan, Kashmir, Nepal, Sikkim].
 高原唐松草Thalictrum cultratum

高原唐松草Thalictrum cultratum

高原唐松草Thalictrum cultratum
(责任编辑:徐晔春)

顶一下[1]

踩一下[0]