白花酢浆草 Oxalis acetosella
中文名（Chinese Name）：白花酢浆草
学名（Scientific Name）：Oxalis acetosella Linn.
英文名（English Common Name）：
别名（Chinese Common Name）：山酢浆草
异名（Synonym）： Acetosella alba (D.Don) Kuntze Oxalis acetosella f. rosea Terao Oxalis acetosella var. caerulea DC. Oxalis acetosella var. longicapsula Terao Oxalis acetosella var. parviflora Lej. Oxalis acetosella var. rosea Peterm. Oxalis acetosella var. subpurpurascente DC. Oxalis acetosella var. vegeta Tatew. Oxalis acetosella var. violacea Westf. Oxalis alba Steud. Oxalis americana f. rhodantha Fernald Oxalis americana Bigelow Oxalis longiflora L. Oxalis nemoralis Salisb. Oxalis parviflora Lej. Oxalis taquetii R. Knuth Oxalis vulgaris Gray Oxys acetosella (L.) Scop. Oxys alba Lam. Oxys pliniana Bubani Oxys vulgaris Rupr.
科属（Family & Genus）：酢浆草科（Oxalidaceae）酢浆草属
形态特征（Description）：多年生草本，高8-10厘米。根纤细；根茎横生，节间具1-2毫米长的褐色或白色小鳞片和细弱的不定根。茎短缩不明显，基部围以残存覆瓦状排列的鳞片状叶柄基。叶基生；托叶阔卵形，被柔毛或无毛，与叶柄茎部合生；叶柄长3-15厘米，近基部具关节；小叶3，倒心形，长5-20毫米，宽8-30毫米，先端凹陷，两侧角钝圆，基部楔形，两面被毛或背面无毛，有时两面均无毛。总花梗基生，单花，与叶柄近等长或更长；花梗长2-3厘米，被柔毛；苞片2，对生，卵形，长约3毫米，被柔毛；萼片5，卵状披针形，长3-5毫米，宽1-2毫米，先端具短尖，宿存；花瓣5，白色或稀粉红色，倒心形，长为萼片的1-2倍，先端凹陷，基部狭楔形，具白色或带紫红色脉纹；雄蕊10，长、短互间，花丝纤细，基部合生；子房5室，花柱5，细长，柱头头状。蒴果卵球形，长3-4毫米。种子卵形，褐色或红棕色，具纵肋。花期7-8月，果期8-9月。2n=22，24。
分布（Distribution）：分布于东北、华北，西北和西南等地，生于海拔800-3400米的针阔混交林和灌丛中。北美、日本、朝鲜、俄罗斯至中欧皆有。
用途（Use）：全草入药。
引自中国植物志英文版：FOC Vol. 11 Page 3, 5
Oxalis acetosella Linnaeus, Sp. Pl. 1: 433. 1753.
白花酢浆草 bai hua cu jiang cao | Oxalidaceae | Oxalis
Perennials 8-15 cm tall, stemless. Rhizome creeping under-ground, slender, mostly covered with fleshy pale brown scalelike remains of leaf bases, ca. 1 mm thick not including scales, ca. 3 mm thick including scales; scales pale brown, sparsely strigose. Petiole 3-15 cm; leaflet blades obcordate, 0.5-2 × 0.8-3 cm, apex deeply emarginate; lobe apices rounded. Flowers solitary, nodding; peduncle as long as or longer than leaves; bracts at middle of flowering stalk, lanceolate, ca. 3 mm, with trichomes around apex. Sepals ovate-lanceolate, persistent. Petals white, lilac to pinkish veined, obovate, (1.2-)1.5-2.2 cm, apex retuse to deeply emarginate. Capsule angular-ovoid, 3-4 mm. Seeds light brown, ovoid, longitudinally ridged. Fl. Jul-Aug, fr. Aug-Sep. 2n = 22.
Forests, shady places; 800-3700 m. Heilongjiang, Jilin, Liaoning, Ningxia (Liupan Shan), Xinjiang [Japan, Korea, Mongolia, Nepal, Pakistan, Russia; Europe].
This species is often misidentified, with robust forms attributable to Oxalis griffithii (which has a much thicker rhizome with dark brown scales and densely pubescent bracts) and slender forms attributable to O. leucolepis (which has thin rhizomes with widely spaced scales and glabrous, often rotund bracts). See Veldkamp (Fl. Males., Ser. 1, Spermat. 7(1). 1971) for discussions on O. acetosella sensu lato. Records from Zhongdian Xian and Lijiang Xian in Yunnan (X. Chuang, Fl. Yunnan. 5: 106. 1991) require confirmation.
（责任编辑：徐晔春）
学名（Scientific Name）：Oxalis acetosella Linn.
英文名（English Common Name）：
别名（Chinese Common Name）：山酢浆草
异名（Synonym）： Acetosella alba (D.Don) Kuntze Oxalis acetosella f. rosea Terao Oxalis acetosella var. caerulea DC. Oxalis acetosella var. longicapsula Terao Oxalis acetosella var. parviflora Lej. Oxalis acetosella var. rosea Peterm. Oxalis acetosella var. subpurpurascente DC. Oxalis acetosella var. vegeta Tatew. Oxalis acetosella var. violacea Westf. Oxalis alba Steud. Oxalis americana f. rhodantha Fernald Oxalis americana Bigelow Oxalis longiflora L. Oxalis nemoralis Salisb. Oxalis parviflora Lej. Oxalis taquetii R. Knuth Oxalis vulgaris Gray Oxys acetosella (L.) Scop. Oxys alba Lam. Oxys pliniana Bubani Oxys vulgaris Rupr.
科属（Family & Genus）：酢浆草科（Oxalidaceae）酢浆草属
形态特征（Description）：多年生草本，高8-10厘米。根纤细；根茎横生，节间具1-2毫米长的褐色或白色小鳞片和细弱的不定根。茎短缩不明显，基部围以残存覆瓦状排列的鳞片状叶柄基。叶基生；托叶阔卵形，被柔毛或无毛，与叶柄茎部合生；叶柄长3-15厘米，近基部具关节；小叶3，倒心形，长5-20毫米，宽8-30毫米，先端凹陷，两侧角钝圆，基部楔形，两面被毛或背面无毛，有时两面均无毛。总花梗基生，单花，与叶柄近等长或更长；花梗长2-3厘米，被柔毛；苞片2，对生，卵形，长约3毫米，被柔毛；萼片5，卵状披针形，长3-5毫米，宽1-2毫米，先端具短尖，宿存；花瓣5，白色或稀粉红色，倒心形，长为萼片的1-2倍，先端凹陷，基部狭楔形，具白色或带紫红色脉纹；雄蕊10，长、短互间，花丝纤细，基部合生；子房5室，花柱5，细长，柱头头状。蒴果卵球形，长3-4毫米。种子卵形，褐色或红棕色，具纵肋。花期7-8月，果期8-9月。2n=22，24。
分布（Distribution）：分布于东北、华北，西北和西南等地，生于海拔800-3400米的针阔混交林和灌丛中。北美、日本、朝鲜、俄罗斯至中欧皆有。
用途（Use）：全草入药。
引自中国植物志英文版：FOC Vol. 11 Page 3, 5
Oxalis acetosella Linnaeus, Sp. Pl. 1: 433. 1753.
白花酢浆草 bai hua cu jiang cao | Oxalidaceae | Oxalis
Perennials 8-15 cm tall, stemless. Rhizome creeping under-ground, slender, mostly covered with fleshy pale brown scalelike remains of leaf bases, ca. 1 mm thick not including scales, ca. 3 mm thick including scales; scales pale brown, sparsely strigose. Petiole 3-15 cm; leaflet blades obcordate, 0.5-2 × 0.8-3 cm, apex deeply emarginate; lobe apices rounded. Flowers solitary, nodding; peduncle as long as or longer than leaves; bracts at middle of flowering stalk, lanceolate, ca. 3 mm, with trichomes around apex. Sepals ovate-lanceolate, persistent. Petals white, lilac to pinkish veined, obovate, (1.2-)1.5-2.2 cm, apex retuse to deeply emarginate. Capsule angular-ovoid, 3-4 mm. Seeds light brown, ovoid, longitudinally ridged. Fl. Jul-Aug, fr. Aug-Sep. 2n = 22.
Forests, shady places; 800-3700 m. Heilongjiang, Jilin, Liaoning, Ningxia (Liupan Shan), Xinjiang [Japan, Korea, Mongolia, Nepal, Pakistan, Russia; Europe].
This species is often misidentified, with robust forms attributable to Oxalis griffithii (which has a much thicker rhizome with dark brown scales and densely pubescent bracts) and slender forms attributable to O. leucolepis (which has thin rhizomes with widely spaced scales and glabrous, often rotund bracts). See Veldkamp (Fl. Males., Ser. 1, Spermat. 7(1). 1971) for discussions on O. acetosella sensu lato. Records from Zhongdian Xian and Lijiang Xian in Yunnan (X. Chuang, Fl. Yunnan. 5: 106. 1991) require confirmation.
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