栏目

飘带果Lactuca undulata Ledeb.

飘带果Lactuca undulata Ledeb.

别名:飘苇果;波缘莴苣;波缘乳苣;飘带莴苣;长喙莴苣;

科名:菊科 Compositae

属名:莴苣属 Lactuca

《中国植物志》第80(1)卷238页
  6.飘带果 图版18: 1-2; 图版1: 1
  Lactuca undulata Ledeb., Ic. Pl. Fl. Ross. 2: 12. 1830 et Fl. Alt. 4: 156. 1833 et Fl. Ross. 2: 803, 1845-1846; DC., Prodr. 7: 135. 1838; Boiss., Fl. Or. 3: 813. 1875; Hook. f., Fl. Brit. Ind. 4: 404, 1881; Ling in Contr. Inst. Bot. Nat. Acad. Peiping 3: 189. 1935; Kitam., Fl. Afgh. 431, 1960; Kirp. in Fl. URSS 29: 310. 1964; S. Y. Hu in Quart. Journ. Taiwan Mus. 20 (1-2): 37. 1967; 中国高等植物图鉴4: 690.图6793, 1975. ——L. undulata Ledeb. var. pinnatipartita Trautv. in Act. Hort. Petrop. 1 (1): 24. 1871.
  一年生草本,高10-35厘米或更高。茎单生或少数茎成簇生,直立,上部伞房状或圆锥状花序分枝,全部茎枝无毛。叶羽状全裂,全形倒披针形或长椭圆形,长2-5厘米,宽1-2厘米,无柄,基部耳状半抱茎,顶裂片披针形或椭圆形,边缘有锯齿,侧裂片2-6对,椭圆形,边缘有锯齿,基生叶有时不裂或浅齿裂,匙形,基部渐尖;最上部茎叶及接花序下部的叶有时不裂,线状披针形,边缘全缘或几全缘,全部叶两面无毛。头状花序多数或少数在茎枝顶端排成伞房状或圆锥状花序。总苞果期长卵形,长1.8厘米,宽6毫米;总苞片4层,外层卵形或长卵形,长2-4毫米,宽1-2毫米,顶端急尖,中层长披针形,长约1厘米,宽约3毫米,内层线状披针形,长1.8厘米,宽约2毫米,顶端急尖,全部总苞片外面无毛。舌状小花8-12枚,淡蓝色或紫色。瘦果压扁,褐色,倒卵形,上部有宽扁的乳突状毛,长3毫米,宽约1毫米,每面有1条高起细肋或细脉纹,有横皱纹,顶端急尖成细喙,喙长1.2厘米,细丝状,喙基每侧各有1个下垂的芽状附属物。冠毛白色,单毛状。花果期5-9月。
  分布新疆(富蕴、阿勒泰、温泉、奎屯、玛纳斯、呼图壁、乌鲁木齐、米泉、阜康、奇台、木垒)。生于山坡或河谷潮湿地,海拔500-2 000米。东地中海地区、阿富汗、伊朗、约旦、俄罗斯(西伯利亚)及高加索、哈萨克斯坦、乌兹别克斯坦有分布。模式标本采自斜米帕拉金斯克地区。
形态特征:一年生草本,高10一35厘米或更高。茎单生或少数茎成簇生,直立,上部伞房状或圆锥状花序分枝,全部茎枝无毛。叶羽状全裂,全形倒披针形或长椭圆形,长2—5厘米,宽1—2厘米,无柄,基部耳状半抱茎,顶裂片披针形或椭圆形,边缘有锯齿,侧裂片2—6对,椭圆形,边缘有锯齿,基生叶有时不裂或浅齿裂,匙形,基部渐尖;最上部茎叶及接花序下部的叶有时不裂,线状披针形,边缘全缘或几全缘,全部叶两面无毛。头状花序多数或少数在茎枝顶端排成伞房状或圆锥状花序。总苞果期长卵形,长1.8厘米,宽6毫米;总苞片4层,外层卵形或长卵形,长2—4毫米,宽1-2毫米,顶端急尖,中层长披针形,长约l厘米,宽约3毫米,内层线状披针形,长1.8厘米,宽约2毫米,顶端急尖,全部总苞片外面无毛。舌状小花8—12枚,淡蓝色或紫色。瘦果压扁,褐色,倒卵形,上部有宽扁的乳突状毛,长3毫米,宽约1毫米,每面有1条高起细肋或细脉纹,有横皱纹,顶端急尖成细喙,喙长1.2厘米,细丝状,喙基每侧各有1个下垂的芽状附属物。冠毛白色,单毛状。花果期5—9月。
产地分布:分布新疆(富蕴、阿勒泰、温泉、奎屯、玛纳斯、呼图壁、乌鲁木齐、米泉、阜康、奇台、木垒)。生于山坡或河谷潮湿地,海拔500—2000米。东地中海地区、阿富汗、伊朗、约旦、俄罗斯(西伯利亚)及高加索、哈萨克斯坦、乌兹别克斯坦有分布。模式标本采自斜米帕拉金斯克地区。
参考文献:Lactuca undulata Ledeb.,Ic.P1.F1.Ross.2:12.1830 et F1.Alt.4:156.1833 et F1.Ross.2:803,1845—1846;DC.,Prodr.7:135. 1838;Boiss.,F1.Or.3: 813.1875;Hook.F.,F1.Brit.Ind·.4:404,1881;Ling in Contr.Inst.Bot.Nat. Acad.Peiping 3:189.1935;Kitam.,F1.·Afgh.431.1960;Kirp.In F1.URSS 29: 310. 1964;S.Y.Hu in Quart.Journ.Taiwan Mus.20(1—2):37.1967;中国高 等植物图鉴4:690.图6793,1975.——L.Undulata Ledeb.Var.Pinnatipartita Trautv. In Act.Hort.Petrop.1(1):24.1871.

《Flora of China》 Vol. 20-21 (2011)
Lactuca undulata  Ledebour Icon. Pl. 2: 12. 1830.
飘带果   piao dai guo
Lactuca undulata var. albicaulis C. H. An; L. undulata var. pinnatipartita Turczaninow.
Herbs 10-35 cm tall or more, annual. Stems solitary or few, erect, divaricately branched from base or higher up, glabrous. Leaves glaucous green to glaucous; lower and middle stem leaves oblanceolate to narrowly elliptic, 2-5 × 1-2 cm, glabrous, base clasping stem and auriculate, margin sinuate-dentate to pinnatisect; lateral lobes 2-6 pairs; terminal lobe lanceolate to elliptic. Upper stem leaves smaller and less or not divided; uppermost stem leaves linear-lanceolate, margin entire or subentire, apex acuminate. Capitula numerous, terminal, with 8-12 florets; peduncle wiry, usually shorter than capitulum. Involucre narrowly cylindric and 7-9 mm at anthesis, longish ovoid and to 2.3 × 0.5-0.6 cm in fruit. Phyllaries glabrous, with an apical purplish spot; outer phyllaries ovate to linear-lanceolate, longest ca. 3/4 as long as inner phyllaries, apex acute; inner phyllaries ca. 5, apex subobtuse to acute. Florets pale blue to purple. Achene body pale to dark brown, obovoid, ca. 3 mm, compressed, with 1 rib on either side; beak whitish, filiform, 1-1.2 cm, base with 2 rodlike pendent appendages. Pappus 4-5 mm. Fl. and fr. May-Sep. 2n = 18.
Moist areas on mountain slopes, mountain valleys; 500-2000 m. Xinjiang [Afghanistan, Kashmir, Kazakhstan, Kyrgyzstan, Pakistan, SC Russia, Tajikistan, Turkmenistan, Uzbekistan; SW Asia].

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