中华山蓼Oxyria sinensis
中文名（Chinese Name）：中华山蓼
学名（Scientific Name）：Oxyria sinensis Hemsl.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Oxyria mairei H. Lév.
科属（Family & Genus）：蓼科（Polygonaceae）山蓼属
形态特征（Description）：多年生草本，高30-50厘米。根状茎粗壮，木质，直径0.7-2厘米。茎直立，通常数条，自根状茎发出，具深纵沟，密生短硬毛。无基生叶，茎生叶叶片圆心形或肾形，长3-4厘米，宽4-5厘米，近肉质，顶端圆钝，基部宽心形，边缘呈波状，上面无毛，下面沿叶脉疏生短硬毛，具5条基出脉；叶柄粗壮，长4-9厘米，密生短硬毛；托叶鞘膜质，筒状，松散，具数条纵脉。花序圆锥状，分枝密集，粗壮；苞片膜质，褐色，每苞内具5-8花；花梗细弱，长4-6毫米，中下部具关节；花单性，雌雄异株，花被片4, 果时内轮2片增大，狭倒卵形，紧贴果实，外轮2个，反折；雄蕊6, 花药长圆形，花丝下部较宽；子房卵形，双凸镜状，花柱2, 柱头画笔状。瘦果宽卵形，双凸镜状，两侧边缘具翅，连翅外形呈圆形，直径6-8毫米；翅薄膜质，淡红色，边缘具不规则的小齿。花期4-5月，果期5-6月。
分布（Distribution）：产四川、云南和西藏，生海拔1600-3800米山坡、山谷路旁。
用途（Use）：
引自中国植物志英文版：FOC Vol. 5 Page 333
Oxyria sinensis Hemsley, J. Linn. Soc., Bot. 29: 317. 1892.
中华山蓼 zhong hua shan liao| Polygonaceae | Oxyria
Oxyria mairei H. Léveillé.
Herbs perennial, somewhat shrubby, dioecious. Rhizomes stout, 0.7-2 cm in diam., ligneous. Stems erect, 30-50 cm tall, somewhat woody at base, branched, striate, densely hirtellous. Petiole 4-9 cm, densely hirtellous; leaf blade orbicular-cordate or reniform, 3-4 × 4-5 cm, subfleshy, abaxially sparsely hirtellous along veins, adaxially glabrous, base broadly cordate, margin undulate, apex obtuse; ocrea tubular, lax, membranous, apex truncate. Inflorescence paniculate, densely branched; bracts brown, membranous, each 5-8-flowered. Pedicel 4-6 mm, slender, articulate below middle. Flowers unisexual. Male flowers: filaments dilated at base. Female flowers: outer tepals deflexed; inner tepals accrescent in fruit, narrowly obovate, appressed. Achenes broadly ovoid, 6-8 mm in diam., margin broadly winged; wings pink, thinly membranous, irregularly denticulate. Fl. Apr-Oct, fr. May-Nov.
（责任编辑：徐晔春）
学名（Scientific Name）：Oxyria sinensis Hemsl.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Oxyria mairei H. Lév.
科属（Family & Genus）：蓼科（Polygonaceae）山蓼属
形态特征（Description）：多年生草本，高30-50厘米。根状茎粗壮，木质，直径0.7-2厘米。茎直立，通常数条，自根状茎发出，具深纵沟，密生短硬毛。无基生叶，茎生叶叶片圆心形或肾形，长3-4厘米，宽4-5厘米，近肉质，顶端圆钝，基部宽心形，边缘呈波状，上面无毛，下面沿叶脉疏生短硬毛，具5条基出脉；叶柄粗壮，长4-9厘米，密生短硬毛；托叶鞘膜质，筒状，松散，具数条纵脉。花序圆锥状，分枝密集，粗壮；苞片膜质，褐色，每苞内具5-8花；花梗细弱，长4-6毫米，中下部具关节；花单性，雌雄异株，花被片4, 果时内轮2片增大，狭倒卵形，紧贴果实，外轮2个，反折；雄蕊6, 花药长圆形，花丝下部较宽；子房卵形，双凸镜状，花柱2, 柱头画笔状。瘦果宽卵形，双凸镜状，两侧边缘具翅，连翅外形呈圆形，直径6-8毫米；翅薄膜质，淡红色，边缘具不规则的小齿。花期4-5月，果期5-6月。
分布（Distribution）：产四川、云南和西藏，生海拔1600-3800米山坡、山谷路旁。
用途（Use）：
引自中国植物志英文版：FOC Vol. 5 Page 333
Oxyria sinensis Hemsley, J. Linn. Soc., Bot. 29: 317. 1892.
中华山蓼 zhong hua shan liao| Polygonaceae | Oxyria
Oxyria mairei H. Léveillé.
Herbs perennial, somewhat shrubby, dioecious. Rhizomes stout, 0.7-2 cm in diam., ligneous. Stems erect, 30-50 cm tall, somewhat woody at base, branched, striate, densely hirtellous. Petiole 4-9 cm, densely hirtellous; leaf blade orbicular-cordate or reniform, 3-4 × 4-5 cm, subfleshy, abaxially sparsely hirtellous along veins, adaxially glabrous, base broadly cordate, margin undulate, apex obtuse; ocrea tubular, lax, membranous, apex truncate. Inflorescence paniculate, densely branched; bracts brown, membranous, each 5-8-flowered. Pedicel 4-6 mm, slender, articulate below middle. Flowers unisexual. Male flowers: filaments dilated at base. Female flowers: outer tepals deflexed; inner tepals accrescent in fruit, narrowly obovate, appressed. Achenes broadly ovoid, 6-8 mm in diam., margin broadly winged; wings pink, thinly membranous, irregularly denticulate. Fl. Apr-Oct, fr. May-Nov.
- Steep, often dry, mountain slopes, valleys, grasslands; 1600-3800 m. Guizhou, Sichuan, Xizang, Yunnan.
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