日本金腰Chrysosplenium japonicum
中文名（Chinese Name）：日本金腰
学名（Scientific Name）：Chrysosplenium japonicum (Maxim.) Makino
英文名（English Common Name）：
别名（Chinese Common Name）：珠芽金腰子
异名（Synonym）：Chrysosplenium alternifolium var. japonicum Maxim. Chrysosplenium alternans Thunb. Chrysosplenium alternifolium var. papillosum Franch. & Sav. Chrysosplenium papillosum (Franch. & Sav.) B.D.Jacks.
科属（Family & Genus）：虎耳草科（Saxifragaceae）金腰属
形态特征（Description）：多年生草本，高8.5-15.5厘米，丛生；茎基具珠芽。茎疏生柔毛。基生叶肾形，长0.6-1.6厘米，宽0.9-2.5厘米，边缘约具15浅齿（齿先端微凹），基部心形或肾形，腹面疏生柔毛，背面近无毛，叶柄长1.5-8厘米，疏生柔毛；茎生叶与基生叶同形，长约1.1厘米，宽约1.3厘米，边缘约具11浅齿，腹面疏生柔毛，背面近无毛，叶柄长约2厘米，疏生柔毛。聚伞花序长1.5-4厘米；花序分枝疏生柔毛；苞叶阔卵形至近扇形，长5-12毫米，宽5-14毫米，边缘具3-9浅齿，基部宽楔形，无毛，柄长0.5-6毫米，疏生柔毛；几无花梗；花密集，绿色，直径约3毫米；萼片在花期直立，阔卵形，长0.6-1.4毫米，宽1-1.4毫米，先端钝或急尖，无毛；雄蕊通常4，稀8或2，长0.3-0.4毫米；子房近下位，花柱长0.2-0.3毫米；花盘通常4裂。蒴果长4-5毫米，先端近平截而微凹，2果瓣近等大而水平状叉开，喙长约0.2毫米；种子黑棕色，椭球形，长0.6-0.7毫米，被微柔毛。花果期3-6月。
分布（Distribution）：产吉林、辽宁、安徽、浙江和江西，生于海拔500米左右的林下或山谷湿地。朝鲜、日本也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 8 Page 352
Chrysosplenium japonicum (Maximowicz) Makino, Bot. Mag. (Tokyo). 23: 71. 1909.
日本金腰 ri ben jin yao |Saxifragaceae | Chrysosplenium
Herbs cespitose, 8.5-15.5 cm tall. Bulbils present or not near stem base. Stems pilose. Basal leaves with petiole 1.5-8 cm, pilose; leaf blade reniform, 0.6-1.6 × 0.9-2.5 cm, abaxially subglabrous, adaxially pilose, base cordate, reniform, subtruncate, or cuneate, margin shallowly ca. 15-dentate, teeth retuse at apex. Cauline leaves alternate, similar to basal ones; petiole ca. 2 cm, pilose; leaf blade ca. 1.1 × 1.3 cm, abaxially subglabrous, adaxially pilose, margin shallowly ca. 11-dentate. Cyme 1.5-4 cm, densely flowered; branches pilose; bracteal leaves with petiole 0.5-6 mm, pilose, leaf blade ovate to subflabellate, 5-12 × 5-14 mm, glabrous, base broadly cuneate, margin 3-9-dentate. Flowers subsessile, green, ca. 3 mm in diam. Sepals erect, broadly ovate, 0.6-1.4 × 1-1.4 mm, glabrous, apex obtuse or acute. Stamens usually (2 or)4(or 8), 0.3-0.4 mm. Ovary subinferior; styles 0.2-0.3 mm. Disc usually 4-lobed. Capsule 4-5 mm, apex subtruncate, retuse; carpels horizontal, subequal; rostrums ca. 0.2 mm. Seeds dark brown, ellipsoid, 0.6-0.7 mm, puberulous. Fl. and fr. Mar-Jun.
Forests, ravine forests, wet places in ravines; 400-600 m. Anhui, Jiangxi, Jilin, Liaoning, Taiwan, Zhejiang [Japan, Korea].
After publication of the treatment for the Flora of China, Chrysosplenium japonicum was newly recorded from Taiwan by Hsu, T. C. et al. 2011 (Taiwania 56: 337-340).
（责任编辑：徐晔春）
学名（Scientific Name）：Chrysosplenium japonicum (Maxim.) Makino
英文名（English Common Name）：
别名（Chinese Common Name）：珠芽金腰子
异名（Synonym）：Chrysosplenium alternifolium var. japonicum Maxim. Chrysosplenium alternans Thunb. Chrysosplenium alternifolium var. papillosum Franch. & Sav. Chrysosplenium papillosum (Franch. & Sav.) B.D.Jacks.
科属（Family & Genus）：虎耳草科（Saxifragaceae）金腰属
形态特征（Description）：多年生草本，高8.5-15.5厘米，丛生；茎基具珠芽。茎疏生柔毛。基生叶肾形，长0.6-1.6厘米，宽0.9-2.5厘米，边缘约具15浅齿（齿先端微凹），基部心形或肾形，腹面疏生柔毛，背面近无毛，叶柄长1.5-8厘米，疏生柔毛；茎生叶与基生叶同形，长约1.1厘米，宽约1.3厘米，边缘约具11浅齿，腹面疏生柔毛，背面近无毛，叶柄长约2厘米，疏生柔毛。聚伞花序长1.5-4厘米；花序分枝疏生柔毛；苞叶阔卵形至近扇形，长5-12毫米，宽5-14毫米，边缘具3-9浅齿，基部宽楔形，无毛，柄长0.5-6毫米，疏生柔毛；几无花梗；花密集，绿色，直径约3毫米；萼片在花期直立，阔卵形，长0.6-1.4毫米，宽1-1.4毫米，先端钝或急尖，无毛；雄蕊通常4，稀8或2，长0.3-0.4毫米；子房近下位，花柱长0.2-0.3毫米；花盘通常4裂。蒴果长4-5毫米，先端近平截而微凹，2果瓣近等大而水平状叉开，喙长约0.2毫米；种子黑棕色，椭球形，长0.6-0.7毫米，被微柔毛。花果期3-6月。
分布（Distribution）：产吉林、辽宁、安徽、浙江和江西，生于海拔500米左右的林下或山谷湿地。朝鲜、日本也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 8 Page 352
Chrysosplenium japonicum (Maximowicz) Makino, Bot. Mag. (Tokyo). 23: 71. 1909.
日本金腰 ri ben jin yao |Saxifragaceae | Chrysosplenium
Herbs cespitose, 8.5-15.5 cm tall. Bulbils present or not near stem base. Stems pilose. Basal leaves with petiole 1.5-8 cm, pilose; leaf blade reniform, 0.6-1.6 × 0.9-2.5 cm, abaxially subglabrous, adaxially pilose, base cordate, reniform, subtruncate, or cuneate, margin shallowly ca. 15-dentate, teeth retuse at apex. Cauline leaves alternate, similar to basal ones; petiole ca. 2 cm, pilose; leaf blade ca. 1.1 × 1.3 cm, abaxially subglabrous, adaxially pilose, margin shallowly ca. 11-dentate. Cyme 1.5-4 cm, densely flowered; branches pilose; bracteal leaves with petiole 0.5-6 mm, pilose, leaf blade ovate to subflabellate, 5-12 × 5-14 mm, glabrous, base broadly cuneate, margin 3-9-dentate. Flowers subsessile, green, ca. 3 mm in diam. Sepals erect, broadly ovate, 0.6-1.4 × 1-1.4 mm, glabrous, apex obtuse or acute. Stamens usually (2 or)4(or 8), 0.3-0.4 mm. Ovary subinferior; styles 0.2-0.3 mm. Disc usually 4-lobed. Capsule 4-5 mm, apex subtruncate, retuse; carpels horizontal, subequal; rostrums ca. 0.2 mm. Seeds dark brown, ellipsoid, 0.6-0.7 mm, puberulous. Fl. and fr. Mar-Jun.
Forests, ravine forests, wet places in ravines; 400-600 m. Anhui, Jiangxi, Jilin, Liaoning, Taiwan, Zhejiang [Japan, Korea].
After publication of the treatment for the Flora of China, Chrysosplenium japonicum was newly recorded from Taiwan by Hsu, T. C. et al. 2011 (Taiwania 56: 337-340).
（责任编辑：徐晔春）
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