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等齿委陵菜Potentilla simulatrix Wolf

等齿委陵菜Potentilla simulatrix Wolf

别名:等齿萎陵菜;高日很-陶来音-汤乃;

科名:蔷薇科 Rosaceae

属名:委陵菜属 Potentilla

《中国植物志》第37卷330页
  82.等齿委陵菜(内蒙古植物志)
  Potentilla simulatrix Wolf in Bibl. Bot. 71: 663. 1908; Hand.-Mazz. Symb. Sin. 7: 517. 1933 , et in Acta Hort. Gothob. 13:320. 1939; 内蒙古植物志3: 87.图版43.图1-6. 1977.
  多年生匍匐草本。根细,多分枝。匍匐枝纤细,常在节上生根,长15-30厘米,被短柔毛及长柔毛;基生叶为三出掌状复叶,连叶柄长3-10厘米,叶柄被短柔毛及长柔毛,小叶几无柄。单花自叶腋生,花梗纤细,长1.5-3厘米,被短柔毛及疏柔毛;花直径0.7-1厘米;萼片卵状披针形,顶端急尖,副萼片长椭圆形,顶端急尖,几与萼片等长稀略长,外被疏柔毛;花瓣黄色,倒卵形,顶端微凹或圆钝,比萼片长;花柱近顶生,基部细,柱头扩大。瘦果有不明显脉纹。花果期4-10月。
  产内蒙古、河北、山西、陕西、甘肃、青海、四川。生林下溪边阴湿处,海拔300-2200米。
  本种与绢毛匍匐委陵菜P. reptans L. var. sericophylla Franch.相似,不同在于后者边缘两个小叶2浅裂至2深裂,小叶下面常伏生绢状柔毛,花直径较大,直径1.5-2厘米,可以区别。《中国高等植物图鉴》第299页,图2327,曾将本种误定为匍匐委陵菜P. reptans L.,后者为掌状5出复叶,产我国新疆。
  日人北川政夫M. Kitagawa曾发表P. simulatrix Wolf var. grossidens Kitagawa: Lineam. Fl. Mansh. 267. 1939. 小叶边缘有不规则缺刻状重齿,齿粗大,顶端急尖,茎生叶下部叶托叶大,狭卵形或倒卵长圆形,全缘,宽达0.3厘米,上部茎生叶托叶浅裂或深裂。模式标本采自辽宁,我们未见到,附志于此,留待考订。
形态特征:多年生匍匐草本。根细,多分枝。匍匐枝纤细,常在节上生根,长15—30厘米,被短 柔毛及长柔毛;基生叶为三出掌状复叶,连叶柄长3--10厘米,叶柄被短柔毛及长柔毛,小 叶几无柄。 单花自叶腋生,花梗纤细,长1.5—3厘米,被短柔毛及疏柔毛;花直 径0.7--1厘米;萼片卵状披针形,顶端急尖,副萼片长椭圆形,顶端急尖,几与萼片等 长稀略长,外被疏柔毛;花瓣黄色,倒卵形,顶端微凹或圆钝4,比萼片长;花柱近顶生,基部 细;柱头扩大。瘦果有不明显脉纹。花果期4—10月。
产地分布:产内蒙古、河北、山西、陕西、甘肃、青海、四川。生林下溪边阴湿处,海拔3007---2200米。本种与绢毛匍匐委陵菜reptans L.Var.Sedcophylla Franch.相似,不同在于后者边缘 两个小叶2浅裂至:2深裂,小叶下面常伏生绢状柔毛,花直径较大;直径1.5--2厘米,可站:王别。《中国高等植物图鉴》第299页,图2327,曾将本种误定为匍匐委陵菜P.Reptans L.,后者为掌状5出复叶,产我国新疆。
本种提示:日人北川政夫M.Kitagawa曾发表P.simulatrix Wolf var.Grossidens Kkagawa Li- learn.F1.Mansh.267.1939.小叶边缘有不规则缺刻状重齿,齿粗大,顶端急尖,茎生叶 下部叶托叶大,狭卵形或倒卵长圆形,全缘,宽达0.3厘米,上部茎生叶托叶浅裂或深裂。嗅式标本采自辽宁,我们未见到,附志于此,留待考订。
参考文献:Potentilla simulatrix Wolf in BiN.Bot 71:663.1908;Hand.—Mazz.Symb.Sin. 7:517.1933,et in Acta Hort.Gothob 13:320.1939;内蒙古植物志3: 87.图版43.图 1—6.1977.

《Flora of China》 Vol. 9 (2003)
Potentilla simulatrix  Th. Wolf
等齿委陵菜   deng chi wei ling cai
Herbs perennial, stoloniferous. Roots slender, much branched. Stolons slender, 15–30 cm, together with petioles pubescent and villous, usually with adventitious roots at base. Radical leaves 3–10 cm including long, slender petiole; stipules submembranous, densely pilose; leaf blade 3-foliolate; leaflets subsessile, green on both surfaces, cuneate-obovate, oblong-obovate, or subrhomboid, central one ca. 2 cm, lateral ones shorter with strongly oblique base, abaxially somewhat densely appressed pilose especially on veins, adaxially sparsely pilose or glabrescent, margin coarsely crenate-dentate, sometimes somewhat deeply incised, apex hardly prominent; teeth broadly ovate or oblong, apex rounded or shortly apiculate; stolon leaves similar to radical ones but petiole shorter and leaf blade gradually smaller higher up stem; stipules ovate or oblong and entire on lower leaves, often larger and dentate or 2–5-fid on upper leaves. Flower solitary, axillary, 0.7–1 cm in diam.; pedicel slender, 1.5–3 cm, pubescent and pilose. Sepals ovate-lanceolate, apex acute; epicalyx segments oblong-elliptic, nearly equaling or rarely slightly longer than sepals, abaxially pilose, apex obtuse or acute. Petals yellow, obovate, longer than sepals, apex emarginate or rounded. Style subterminal, thin at base; stigma dilated. Achenes inconspicuously rugose. Fl. and fr. Apr–Oct.
Stream sides in damp forests; 300--2200 m. Gansu, Hebei, Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan.

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