目前为止，中国西南野生生物种质资源库共保藏该物种: 种子36份; DNA材料44份; 离体材料10份;

• 科:蓼科    Polygonaceae
• 属:蓼属   Polygonum
• 种:火炭母   Polygonum chinense

63. Polygonum chinense Linnaeus, Sp. Pl. 1: 363. 1753. 火炭母 huo tan mu Herbs perennial. Rhizomes stout. Stems erect, 70-100 cm tall, ligneous at base, much branched, striate, glabrous or retrorsely hispid. Petiole 1-2 cm, usually auriculate at base, upper leaves subsessile; leaf blade ovate, elliptic, or lanceolate, 4-16 × 1.5-8 cm, both surfaces glabrous or hispid, abaxially sometimes pubescent along veins, base truncate or broadly cordate, margin entire, apex shortly acuminate; ocrea tubular, 1.5-2.5 cm, membranous, glabrous, much veined, apex oblique, not ciliate. Inflorescence terminal or axillary, capitate, 3-5 mm, usually several capitula aggregated and panicle-like; peduncle densely glandular hairy; bracts broadly ovate, each 1-3-flowered. Perianth white or pinkish, 5-parted; tepals ovate, accrescent in fruit, becoming blue-black, fleshy. Stamens 8, included. Styles 3, connate to below middle. Achenes included in persistent perianth, black, opaque, broadly ovoid, trigonous, 3-4 mm. Fl. Jul-Nov, fr. Jul-Dec. 2n = 22*.Wet valleys, grassy slopes, mixed forests, thickets in valleys, mountain slopes; sea level to 3000 m. Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, S Shaanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Bhutan, India, Indonesia, Japan, Malaysia, Myanmar, Nepal, Philippines, Sikkim, Thailand, Vietnam].【引自：Flora of China】

多年生草本，基部近木质。根状茎粗壮。茎直立，高70-100厘米，通常无毛，具纵棱，多分枝，斜上。叶卵形或长卵形，长4-10厘米，宽2-4厘米，顶端短渐尖，基部截形或宽心形，边缘全缘，两面无毛，有时下面沿叶脉疏生短柔毛，下部叶具叶柄，叶柄长1-2厘米，通常基部具叶耳，上部叶近无柄或抱茎；托叶鞘膜质，无毛，长1.5-2.5厘米，具脉纹，顶端偏斜，无缘毛。花序头状，通常数个排成圆锥状，顶生或腋生，花序梗被腺毛；苞片宽卵形，每苞内具1-3花；花被5深裂，白色或淡红色，裂片卵形，果时增大，呈肉质，蓝黑色；雄蕊8, 比花被短；花柱3, 中下部合生。瘦果宽卵形，具3棱，长3-4毫米，黑色，无光泽，包于宿存的花被。花期7-9月，果期8-10月。 【引自：中国植物志】