栏目

狭翅独活Heracleum stenopterum Diels

狭翅独活Heracleum stenopterum Diels

别名:独活;独翅独活;狭翅白芷;牛尾独活;

科名:伞形科 Umbelliferae

属名:独活属 Heracleum

《中国植物志》第55(3)卷202页
  17. 狭翅独活 牛尾独活(云南丽江)、独活(云南)图版90
  Heracleum stenopterum Diels in Not. Bot. Gard. Edinb. 4: 29. 1912.
  多年生草本,高40-50厘米,被有粗糙毛。根圆锥形或圆柱形,外皮灰黄色,分歧,径约1.5厘米。茎圆柱形,中空,直立,表面有纵沟纹或棱,上部多分枝。叶片轮廓宽卵形或椭圆形,二至三回羽状深裂,基生叶有长柄,基部有肥大宽展叶鞘,抱茎,长约4厘米。茎生叶末回裂片长椭圆形或宽卵形,深裂至披针形,先端渐尖,边缘有锯齿,基部楔形;茎上部叶近无柄,羽状深裂,裂片长渐尖,边缘有不整齐的锯齿。复伞形花序顶生和腋生,片径达10厘米,花序梗长16-19厘米,有粗糙毛,小伞形花序有花30-40朵;小总苞数片,线形或狭线形,长5-1.5毫米,被毛,较小花梗长;花白色;萼齿近三角形;花瓣二型;子房有白色粗糙毛;花柱基短圆锥形。果实倒卵状圆形,长6-7毫米,有疏毛,侧棱具翅;棱槽内油管1,短棒状,其长度为果体长度的1/2,合生面油管2。花果期7-9月。
  产云南(丽江、中甸)。喜生在林下或林缘;海拔2800-3900米。模式标本产丽江。
  根入药,可治风湿头痛。
形态特征:多年生草本,高40—50厘米,被有粗糙毛。根圆锥形或圆柱形,外皮灰黄色,分歧,径约1.5厘米。茎圆柱形,中空,直立,表面有纵沟纹或棱,上部多分枝。叶片轮廓宽卵形或椭圆形,二至三回羽状深裂,基生叶有长柄,基部有肥大宽展叶鞘,抱茎,长约4厘米。茎生叶末回裂片长椭圆形或宽卵形,深裂至披针形,先端渐尖,边缘有锯齿,基部楔形;茎上部叶近无柄,羽状深裂,裂片长渐尖,边缘有不整齐的锯齿。复伞形花序顶生和腋生,片径达10厘米,花序梗长16—19厘米,有粗糙毛,小伞形花序有花30—40朵;小总苞数片,线形或狭线形,长5一l5毫米,被毛,较小花梗长;花白色;萼齿近三角形;花瓣二型;子房有白色粗糙毛;花柱基短圆锥形。果实倒卵状圆形,长6—7毫米,有疏毛,侧棱具翅;棱槽内油管1,短棒状,其长度为果体长度的1/2,合生面油管2。花果期7—9月。
产地分布:产云南(丽江、中甸)。喜生在林下或林缘;海拔2800—3900米。模式标本产丽江。
参考文献:根人药,可治风湿头痛。

《Flora of China》 Vol. 14 (2005)
Heracleum stenopterum  Diels
狭翅独活   xia chi du huo
Plants 40–100 cm tall, hispid. Root cylindrical. Stem solitary, branched above. Basal leaves 2–3-pinnate; petiole, sheaths broad-ovate; blade lacerate-pinnatifid; ultimate segments lanceolate, 3–8 × 1–3 cm, base cuneate, margins coarsely serrate; terminal leaflets decursive at base. Cauline leaves gradually reduced upward. Terminal umbels 10–20 cm wide; bracts 2–3, linear; rays 25–35, unequal, 4–10 cm; bracteoles 5–8, linear, nearly as long as pedicels; umbellule 30–40-flowered. Calyx teeth lanceolate. Petals white, outer flowers in umbel radiant, enlarged petals deeply 2-lobed. Fruit obovoid, 6–7 × 4–5 mm, sparsely pilose; vittae solitary in each furrow, 2 on commissure, clavate, about 1/2 as long as mericarp. Seed face plane. Fl. Jul–Aug, fr. Sep. 2n = 22*.
Coniferous forests, alpine scrub and meadows, alpine talus slopes; 2700–4300 m. W Sichuan, W Yunnan.
This species has reputed medicinal value (in Yunnan).

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