鞘山芎Conioselinum vaginatum (Spreng.) Thell.

别名：滇前胡;藁本;新疆藁本;

科名：伞形科 Umbelliferae

属名：山芎属 Conioselinum

《中国植物志》第55(3)卷004页
  2．鞘山芎（中国种子植物科属词典）
  Conioselinum vaginatum (Spreng.) Thell. in Hegi, Illust. Fl. Mitteleuropa 5 (2): 1329. f. 2503. 1927. ——Ligusticum vaginatum Spreng. Pugill. 2: 57. 1815.
  多年生草本，高60-120厘米。根多分叉，根茎较粗厚。茎直立，圆柱形，中空，具纵条纹，上部分枝。基生叶早枯；茎中部叶具柄，柄长6-9厘米，基部扩大成鞘，叶片轮廓三角状卵形，长16-25厘米，宽15-23厘米，二至三回三出式羽状全裂；末回羽片长卵形至披针形，长1.5-2厘米，宽4.5-0.8厘米，边缘羽状深裂；茎上部叶渐简化。复伞形花序顶生和侧生，直径5-10厘米；总苞片无，伞辐10-14，长2-4厘米；小总苞片5-8，线形，长约5毫米；花白色；萼齿不明显；花瓣倒卵形，具内折小舌片；花柱基略隆起，花柱2，反曲。分生果（未成熟）背腹略扁，主棱突起；每棱槽内油管2-3，合生面油管4-6。
  产新疆西部地区。生长于山坡草地或灌丛中。欧洲中部亦有分布。
  根据文献，我国台湾另有一种。因标本未见，谨将记载摘译如下，供作参考。

《Flora of China》 Vol. 14 (2005)
Conioselinum vaginatum  (Sprengel) Thellung
鞘山芎   qiao shan xiong
Plants 60–120 cm. Root conic, branched; rhizome stout. Stem branched. Basal leaves deciduous. Cauline leaves petiolate, petioles 6–9 cm, base sheathing; blade triangular-ovate, 16–25 × 15–23 cm, 2–3-ternate-pinnate; ultimate segments long-ovate to lanceolate, 1.5–2 × 0.5–0.8 cm, pinnatifid. Umbels 5–10 cm across; bracts absent; rays 10–14, 2–4 cm; bracteoles 5–8, linear, ca. 5 mm. Petals obovate. Stylopodium short-conic. Fruit ellipsoid, slightly flattened dorsally; ribs all prominent; vittae 2–3 in each furrow, 4–6 on commissure. Fl. and fr. Jul–Sep.
Shrubby thickets, grasslands; 1300–2700 m. Xinjiang [Kazakhstan, Kyrgyzstan, Russia (Siberia), Turkmenistan, Uzbekistan: C Asia, SW Asia, C Europe].
This species is used in Taiwan as a regional substitute for the traditional Chinese medicine “gao ben” (see Ligusticum sinense and L. jeholense).