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密头菊蒿Tanacetum crassipes (Stschgel.) Tzvel.

密头菊蒿Tanacetum crassipes (Stschgel.) Tzvel.

科名:菊科 Compositae

属名:菊蒿属 Tanacetum

《中国植物志》第76(1)卷078页
  3.密头菊蒿 图版11:1
  Tanacetum crassipes (Stschgel.) Tzvel. in Fl. URSS 26: 338. 1961. ——Pyrethrum crassipes Stschgel. in Bull. Soc. Nat. Mosc. 27: 172. 1854. ——Chrysanthemum crassipes (Stschgel.) B. Fedtsch, , Раст. Турк. 737, 1915.
  多年生草本,高20-60厘米,有短根状茎分枝。茎单生,或少数茎成簇生,仅上部有极短的花序分枝,有稀疏的丁字毛和单毛。基生叶长8-15厘米,宽2厘米,全形长椭圆形,二回羽状分裂,一二回全部全裂。一回侧裂片10-15对;末回裂片线状长椭圆形,宽约1毫米。叶柄长3-5厘米。茎叶少数,与基生叶同形并等样分裂,但无柄。全部叶绿色或暗绿色,有贴伏的丁字形毛及单毛。头状花序3-7个,在茎顶密集排列,花梗增粗,长0.5-1.5厘米。总苞直径0.7-1(-1.4)厘米。总苞片3-4层,硬草质。中外层披针形,长2.5-4毫米,内层线状长椭圆形,长约4毫米。全部苞片外面有单毛,仅顶端光亮膜质扩大。边缘雌花有时由管状向舌状转化。瘦果长2毫米,有5-8条椭圆形突起的纵肋。冠状冠毛长达0.3毫米,边缘有细齿。花果期6-8月。
  产我国新疆(阿尔泰山区)。生于石质山坡、草原、针叶林带,海拔2100米左右。苏联中亚地区也有分布。
形态特征:多年生草本,高20一60厘米,有短根状茎分枝。茎单生,或少数茎成簇生,仅上部有极短的花序分枝,有稀疏的丁字毛和单毛。基生叶长8—15厘米,宽2厘米,全形长椭圆形,二回羽状分裂,一二回全部全裂。一回侧裂片10—15对;末回裂片线状长椭圆形,宽约1毫米。叶柄长3—5厘米。茎叶少数,与基生叶同形并等样分裂,但无柄。全部叶绿色或暗绿色,有贴伏的丁字形毛及单毛。头状花序3—7个,在茎顶密集排列,花梗增粗,长0.5—1.5厘米。总苞直径0.7—1(一1.4)厘米。总苞片3—4层,硬草质。中外层披针形,长2.5—4毫米,内层线状长椭圆形,长约4毫米。全部苞片外面有单毛,仅顶端光亮膜质扩大。边缘雌花有时由管状向舌状转化。瘦果长2毫米,有5—8条椭圆形突起的纵肋。冠状冠毛长达0.3毫米,边缘有细齿。花果期6—8月。
产地分布:产我国新疆(阿尔泰山区)。生于石质山坡、草原、针叶林带,海拔2100米左右。苏联中亚地区也有分布。
参考文献:Tanacetum crassipes(Stschgel.)Tzvel,in Fl,URSS 26:338.1961.——— Pyrethrum crassipes Stschgel.inBull。Soc.Nat.Mosc.27:172,1854.——Chry· santhemum crassipes(Stschgel.)B,Fedtsch·,PaCT.TypK.737,1915.

《Flora of China》 Vol. 20-21 (2011)
3. Tanacetum crassipes (Stscheglejew) Tzvelev in Schischkin & Bobrov, Fl. URSS. 26: 338. 1961.
密头菊蒿 mi tou ju hao Pyrethrum crassipes Stscheglejew, Bull. Soc. Imp. Naturalistes Moscou 27: 172. 1854; Chrysanthemum crassipes (Stscheglejew) B. Fedtschenko.
Herbs, perennial, 20-60 cm tall, with branched rhizomes; stems solitary or fascicled, upper parts corymbosely branched, sparsely pilose with T-shaped and simple hairs. Basal leaves: petiole 3-5 cm; leaf blade narrowly elliptic, 8-15 × ca. 2 cm, 2-pinnatisect, green or deep green, appressed pilose; primary lateral segments 10-15-paired; ultimate segments linear-elliptic. Stem leaves similar, few, sessile. Synflorescence a dense flat-topped cyme. Capitula 3-7; peduncle 0.5-1.5 cm, apex thicker. Involucre campanulate, 7-10(-14) mm in diam.; phyllaries in 3 or 4 rows, abaxially with simple hairs, outer and middle phyllaries lanceolate, 2.5-4 mm, apex scarious-ampliate, inner ones narrowly linear-elliptic, ca. 4 mm. Ray florets yellow, apex 3-denticulate. Achenes ca. 2 mm. Corona ca. 0.3 mm, margin denticulate. Fl. and fr. Jun-Aug.Rocky slopes, forest understories, grasslands; ca. 2100 m. Xinjiang (Altay Shan) [Kazakhstan, Russia].

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