栏目

轮叶委陵菜Potentilla verticillaris Steph. ex Willd.

轮叶委陵菜Potentilla verticillaris Steph. ex Willd.

别名:道给日存-陶来音-汤乃;轮叶萎陵菜;

科名:蔷薇科 Rosaceae

属名:委陵菜属 Potentilla

《中国植物志》第37卷287页
  37.轮叶委陵菜 轮叶萎陵菜(东北植物检索表)图版43: 5
  Potentilla verticillaris Steph. ex Willd. Sp. Pl. 2: 1096. 1800: Juzep. in Fl. URSS 10:117. 1941;东北植物检索表148. 图版43. 图4. 1959; 东北草本植物志5: 27. 图版12. 图1-3. 1976. ——p. verticillaris Steph. ex Willd. var. conderlsata Wolf in Bibl. Bot. 71: 159. 1908. ——p. verticillaris Steph. ex Willd. var. acutipetala Lehm. Revis. Potent. 38. 1856.——P. multifida L. a. minor b. verticillaris Ldb. Fl. Ross. 2: 43. 1844.
  多年生草本。根长圆柱形,向下延伸生长深达20厘米以上。花茎丛生,直立,高5-16厘米,被白色绒毛及长柔毛。基生叶3-5,小叶片羽状深裂或掌状深裂几达叶轴形成假轮生状,下部小叶片比上部小叶片稍短,裂片带形或窄带形,通常长0.5-3厘米,宽0.1-0.3厘米,顶端急尖或圆钝,基部楔形,叶边反卷,上面绿色,被疏柔毛或脱落几无毛,下面被白色绒毛,沿脉疏被白色长柔毛;茎生叶1-2,掌状3-5全裂,裂片带形;基生叶托叶膜质,褐色,外面密被白色长柔毛,茎生叶托叶卵状披针形,全缘,下面密被白色绒毛。聚伞花序疏散,少花,花梗长1-1.5厘米,外被白色绒毛;花直径0.8-1.5厘米;萼片长卵形,顶端渐尖,副萼片狭披针形,急尖至渐尖,比萼片短或近等长,外被白色绒毛及长柔毛;花瓣黄色,宽倒卵形,顶端微凹,比萼片稍长或几达1倍;花柱近顶生,基部膨大,柱头扩大。瘦果光滑。花果期5-8月。
  产黑龙江、吉林、内蒙古、河北。生干旱山坡、河滩沙地、草原及灌丛下,海拔6001900米。苏联西伯利亚、蒙古、朝鲜和日本均有分布。
  本种较为特殊,植株一般比较矮小,花朵较少,小叶片深裂为带形,在叶轴上呈假轮生状,叶柄、花梗、萼片和副萼片外面均被白色绒毛及长柔毛,易于识别。
形态特征:多年生草本。根长圆柱形,向下延伸生长深达20厘米以上。花茎丛生,直立;高5—16厘米,被白色绒毛及长柔毛。基生叶3—5,小叶片羽状深裂或掌状深裂几达叶轴形成假轮生状,下部小叶片比上部小叶片稍短,裂片带形或窄带形,通常长0.5—3厘米,宽0.1—0.3厘米,顶端急尖或圆钝,基部楔形,叶边反卷,上面绿色,被疏柔毛或脱落几无毛,下面被白色绒毛,沿脉疏被白色长柔毛;茎生叶1—2,掌状3—5全裂,裂片带形;基生叶托叶膜质,褐色,外面密被白色长柔毛,茎生叶托叶卵状披针形,全缘,下面密被白色绒毛。聚伞花序疏散,少花,花梗长1—1.5厘米,外被白色绒毛;花直径0.8—1.5厘米;萼片长卵形,顶端渐尖,副萼片狭披针形,急尖至渐尖,比萼片短或近等长,外被白色绒毛及长柔毛;花瓣黄色:宽倒卵形,顶端微凹,比萼片稍长或几达1倍;花柱近顶生,基部膨大;柱头扩大。瘦果光滑。花果期5—8月。
产地分布:产黑龙江、吉林、内蒙古、河北。生干旱山坡、河滩沙地、草原及灌丛下,海拔600--1900米。苏联西伯利亚、蒙古、朝鲜和日本均有分布。
本种提示:本种较为特殊,植株一般比较矮小,花朵较少,小叶片深裂为带形,在叶轴上呈假轮生状,叶柄、花梗、萼片和副萼片外面均被白色绒毛及长柔毛,易于识别。
参考文献:Potentilla verticillaris Steph.Cx Willd.SP.P1.2:1096.1800;Juzep.In Fl.URSS10:117.1941;东北植物检索表148.图版43.图4.1959;东北草本植物志5:27.图版12.图1—3.1976.——P.Verticillaris Steph.Ex Willd.Var.Condensata Wolf in Bibl.Bot.71:159.1908.——P.Vertidllaris Steph.Ex.Willd.Var.Acutipetala Lehm.Revis.Po—tent.38.1856.——P.Multifida L.A.Minor b.Verticillaris Ldb.F1.Ross.2:43.1844.

《Flora of China》 Vol. 9 (2003)
Potentilla verticillaris  Stephan ex Willdenow
轮叶委陵菜   lun ye wei ling cai
Potentilla verticillaris var. acutipetala Lehmann; P. verticillaris var. condensata Th. Wolf.
Herbs perennial. Roots cylindric. Flowering stems tufted, erect, 5–16 cm tall, white tomentose and villous. Radical leaves 3–5; stipules brown, membranous, abaxially densely white villous; leaflets adaxially green, proximal ones slightly shorter than distal ones, usually 0.5–3 cm × 1–3 mm, abaxially white tomentose, sparsely white villous on veins, adaxially pilose or glabrescent, base cuneate, margin revolute, pinnately or palmately parted almost to midvein, apex obtuse or acute; segments linear or narrowly fasciated; cauline leaves 1 or 2; stipules ovate-lanceolate, abaxially densely white tomentose, margin entire; leaf blade palmately 3–5-sect; segments fasciated. Inflorescence laxly cymose, few flowered. Flowers 0.8–1.5 cm in diam.; pedicel 1–1.5 cm, white tomentose. Sepals oblong, apex acuminate; epicalyx segments linear-lanceolate, shorter than or nearly equaling sepals, abaxially white tomentose and villous, apex acute or acuminate. Petals yellow, broadly obovate, slightly longer than to ca. 2 × as long as sepals, apex emarginate. Style subterminal, base thickened; stigma dilated. Achenes smooth. Fl. and fr. May–Aug.
Thickets, grasslands, dry mountain slopes, sandy river banks; 600--1900 m. Hebei, Heilongjiang, Jilin, Nei Mongol [Japan, Korea, Mongolia, Russia (Siberia)].

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