圆穗蓼Polygonum macrophyllum
中文名（Chinese Name）：圆穗蓼
学名（Scientific Name）：Polygonum macrophyllum D. Don
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Bistorta sphaerostachya (Meisn.) Greene Bistorta macrophyllum (D. Don) Sajdak. Bistorta yunnanensis H. Gross Polygonum macrophyllum f. tomentosum Kitam. Polygonum sphaerostachyum Meissn.
科属（Family & Genus）：蓼科（Polygonaceae）蓼属
形态特征（Description）：多年生草本。根状茎粗壮，弯曲，直径1-2厘米。茎直立，高8-30厘米，不分枝，2-3条自根状茎发出。基生叶长圆形或披针形，长3-11厘米，宽1-3厘米，顶端急尖，基部近心形，，上面绿色，下面灰绿色，有时疏生柔毛，边缘叶脉增厚，外卷；叶柄长3-8厘米；茎生叶较小狭披针形或线形，叶柄短或近无柄；托叶鞘筒状，膜质，下部绿色，上部褐色，顶端偏斜，开裂，无缘毛。总状花序呈短穗状，顶生，长1.5-2.5厘米，直径1-1.5厘米；苞片膜质，卵形，顶端渐尖，长3-4毫米，每苞内具2-3花；花梗细弱，比苞片长；花被5深裂，淡红色或白色，花被片椭圆形，长2.5-3毫米；雄蕊8, 比花被长，花药黑紫色；花柱3, 基部合生，柱头头状。瘦果卵形，具3棱，长2.5-3毫米，黄褐色，有光泽，包于宿存花被内。花期7-8月，果期9-10月。
分布（Distribution）：产陕西、甘肃、青海、湖北、四川、云南、贵州和西藏，生海拔2300-5000米山坡草地、高山草甸。印度、尼泊尔、不丹也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 5 Page 297
Polygonum macrophyllum D. Don, Prodr. Fl. Nepal. 70. 1825.
圆穗拳参 yuan sui quan shen| Polygonaceae | Polygonum
Herbs perennial. Rhizomes curved, large, 1-2 cm in diam. Stems 2 or 3 from rhizome, erect, 8-30 cm tall, simple. Basal leaves petiolate; petiole 3-8 cm; leaf blade gray-green abaxially, green adaxially, oblong, lanceolate, or linear-lanceolate 3-11 × 0.2-3 cm, abaxially sometimes sparsely pubescent, adaxially glabrous, base subcordate or cuneate, margin with thickened vein tips, revolute, apex acute. Cauline leaves shortly petiolate or subsessile; leaf blade narrowly lanceolate or linear; ocrea: lower part green, upper part brown, tubular, membranous, apex oblique, dehiscent, not ciliate. Inflorescence terminal, shortly spicate, 1.5-2.5 cm, 1-1.5 cm in diam.; bracts ovate, 3-4 mm, membranous, apex acuminate, each 2- or 3-flowered. Pedicel 4-5 mm, slender. Perianth pinkish or white, 5-parted; tepals elliptic, 2.5-3 mm. Stamens 8, exserted; anthers black-purple. Styles 3, connate at base; stigmas capitate. Achenes included in persistent perianth, yellow-brown, shiny, ovoid, trigonous, 2.5-3 mm.
Grassy slopes, alpine meadows; 2000-5000 m. Gansu, Guizhou, ?Henan, Hubei, ?Qinghai, Shaanxi, Sichuan, Xizang, Yunnan [Bhutan, N India, Nepal, Sikkim].
（责任编辑：徐晔春）
学名（Scientific Name）：Polygonum macrophyllum D. Don
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Bistorta sphaerostachya (Meisn.) Greene Bistorta macrophyllum (D. Don) Sajdak. Bistorta yunnanensis H. Gross Polygonum macrophyllum f. tomentosum Kitam. Polygonum sphaerostachyum Meissn.
科属（Family & Genus）：蓼科（Polygonaceae）蓼属
形态特征（Description）：多年生草本。根状茎粗壮，弯曲，直径1-2厘米。茎直立，高8-30厘米，不分枝，2-3条自根状茎发出。基生叶长圆形或披针形，长3-11厘米，宽1-3厘米，顶端急尖，基部近心形，，上面绿色，下面灰绿色，有时疏生柔毛，边缘叶脉增厚，外卷；叶柄长3-8厘米；茎生叶较小狭披针形或线形，叶柄短或近无柄；托叶鞘筒状，膜质，下部绿色，上部褐色，顶端偏斜，开裂，无缘毛。总状花序呈短穗状，顶生，长1.5-2.5厘米，直径1-1.5厘米；苞片膜质，卵形，顶端渐尖，长3-4毫米，每苞内具2-3花；花梗细弱，比苞片长；花被5深裂，淡红色或白色，花被片椭圆形，长2.5-3毫米；雄蕊8, 比花被长，花药黑紫色；花柱3, 基部合生，柱头头状。瘦果卵形，具3棱，长2.5-3毫米，黄褐色，有光泽，包于宿存花被内。花期7-8月，果期9-10月。
分布（Distribution）：产陕西、甘肃、青海、湖北、四川、云南、贵州和西藏，生海拔2300-5000米山坡草地、高山草甸。印度、尼泊尔、不丹也有。
用途（Use）：
引自中国植物志英文版：FOC Vol. 5 Page 297
Polygonum macrophyllum D. Don, Prodr. Fl. Nepal. 70. 1825.
圆穗拳参 yuan sui quan shen| Polygonaceae | Polygonum
Herbs perennial. Rhizomes curved, large, 1-2 cm in diam. Stems 2 or 3 from rhizome, erect, 8-30 cm tall, simple. Basal leaves petiolate; petiole 3-8 cm; leaf blade gray-green abaxially, green adaxially, oblong, lanceolate, or linear-lanceolate 3-11 × 0.2-3 cm, abaxially sometimes sparsely pubescent, adaxially glabrous, base subcordate or cuneate, margin with thickened vein tips, revolute, apex acute. Cauline leaves shortly petiolate or subsessile; leaf blade narrowly lanceolate or linear; ocrea: lower part green, upper part brown, tubular, membranous, apex oblique, dehiscent, not ciliate. Inflorescence terminal, shortly spicate, 1.5-2.5 cm, 1-1.5 cm in diam.; bracts ovate, 3-4 mm, membranous, apex acuminate, each 2- or 3-flowered. Pedicel 4-5 mm, slender. Perianth pinkish or white, 5-parted; tepals elliptic, 2.5-3 mm. Stamens 8, exserted; anthers black-purple. Styles 3, connate at base; stigmas capitate. Achenes included in persistent perianth, yellow-brown, shiny, ovoid, trigonous, 2.5-3 mm.
Grassy slopes, alpine meadows; 2000-5000 m. Gansu, Guizhou, ?Henan, Hubei, ?Qinghai, Shaanxi, Sichuan, Xizang, Yunnan [Bhutan, N India, Nepal, Sikkim].
（责任编辑：徐晔春）
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