《中国植物志》|| 荨麻科 URTICACEAE ||圆瓣冷水花系 Ser. Angulatae C. J. Chen ||冷水花 Pilea notata C. H. Wright

46.冷水花（种子植物名称）长柄冷水麻（台湾植物志）图版24: 1-4
Pilea notata C. H. Wright in Journ. Linn. Soc. Bot. 26: 470. 1899; Pritz. in Bot. Jahrb. 29: 303. 1900; Pamp. in Nuov. Giorn Bot. Ital. n. ser. 17: 257. 1910; Hand.-Mazz. Symb. Sin. 7: 126. 1929; 江苏南部种子植物手册227, 图351. 1959; 中国高等植物图鉴1: 509, 图1018. 1972; 秦岭植物志1 (2): 109, 图92. 1974; 湖北植物志1: 169, 图218. 1976; C. J. Chen in Bull. Bot. Res. (Harbin ). 2 (3): 84. 1982; Z. X. Peng et G. L. Zhang in Acte Bot. Bor.-Occ. Sin. 5 (2): 126. 1985; 安徽植物志2: 119, 图383. 1986; 贵州植物志4: 29, 图版10 (4-8). 1989. ——Boehmeria vanioti Levl. in Repert. Spec. Nov. Regni veg. 11: 55. 1913. ——P. pseudopetiolaris Hatusima in Journ. Jap. Bot. 34: 303. 1959.——P. angulata auct. non (Bl.) Bl. Hand.-Mazz. 1. c. 126, p. p. quoad pl. Hunan.; Chien in Contr. Biol. Lab. Sci. Soc. China 9 (3): 261. 1934.——P. petiolaris auct. non (Sieb. et Zucc.) Bl. : T. S. Liu et W. D. Huang in Li, Fl. Taiwan 2: 214. 1976, p. p.
多年生草本，具匍匍茎。茎肉质，纤细，中部稍膨大，高25-70厘米，粗2-4毫 米，无毛，稀上部有短柔毛，密布条形钟乳体。叶纸质，同对的近等大，狭卵形、卵状 披针形或卵形，长4-11厘米，宽1.5-4.5厘米，先端尾状渐尖或渐尖，基部圆形，稀 宽楔形，边缘自下部至先端有浅锯齿，稀有重锯齿，上面深绿，有光泽，下面浅绿色，钟 乳体条形，长0.5-0.6毫米，两面密布，明显，基出脉3条，其侧出的二条弧曲，伸达 上部与侧脉环结，侧脉8-13对，稍斜展呈网脉；叶柄纤细，长1 7厘米，常无毛，稀 有短柔毛；托叶大，带绿色，长圆形，长8-12毫米，脱落。花雌雄异株；雄花序聚伞 总状，长2-5厘米，有少数分枝，团伞花簇疏生于花枝上；雌聚伞花序较短而密集。雄 花具梗或近无梗，在芽时长约1毫米；花被片绿黄色，4深裂，卵状长圆形，先端锐尖， 外面近先端处有短角状突起；雄蕊4，花药白色或带粉红色，花丝与药隔红色；退化雌蕊 小，圆锥状。瘦果小，圆卵形，顶端歪斜，长近0.8毫米，熟时绿褐色，有明显刺状小 疣点突起；宿存花被片3深裂，等大，卵状长圆形，先端钝，长及果的约1/3。 花期6-9月，果期9-11月。
产广东、广西、湖南、湖北、贵州、四川、甘肃南部、陕西南部、河南南部、安徽 南部、江西、浙江、福建和台湾。生于山谷、溪旁或林下阴湿处，海拔300-1 500米。日 本有分布。模式标本采自湖北宜昌。
全草药用，有清热利湿、生津止渴和退黄护肝之效。
产浙江、福建、四川的本种少数标本，叶边缘多少具重锯齿以及四川东部及南部的 本种少数标本，茎、叶柄与叶背脉上生有短毛，这是本种形态上的饰变。

《Flora of China》|| Urticaceae || Pilea ||冷水花 Pilea notata

46. Pilea notata C. H. Wright, J. Linn. Soc., Bot. 26: 470. 1899.

冷水花 leng shui hua

Boehmeria vanioti Léveillé; Pilea elliptifolia B. L. Shih & Yuen P. Yang; P. pseudopetiolaris Hatusima.

Herbs perennial, stoloniferous, dioecious or monoecious. Stems 25-75 cm tall, woody at base, succulent distally, with galls on mid portion of internodes, glabrous, rarely puberulent distally, densely covered cystoliths, Stipules soon deciduous, greenish, oblong, 8-12 mm, herbaceous; petiole thin, subequal in length, 1-7 cm; leaf blade abaxially pale green, adaxially dark green and lustrous, ovate or ovate-lanceolate, subequal in size, 4-11 × 1.5-4.5 cm, membranous, 3-veined, lateral veins 8-13 each side, cystoliths fusiform, conspicuous on both surfaces, base rounded rarely broadly cuneate, margin shallowly serrate, rarely doubly serrate along apical margin. Inflorescences solitary; male inflorescence a racemelike-cyme, 2-5 cm; female a compact cyme of glomerules, shorter than males. Male flowers yellow-green, pedicellate or sessile, in bud ovoid, ca. 1 mm; perianth lobes 4, connate 1/2 of length, subapically corniculate; stamens 4; rudimentary ovary small. Female flowers subsessile, in bud ca. 0.5 mm; perianth lobes connate 1/2 of length, equal, apex obtuse; staminodes 3, small, scale-like, oblong. Achene oblong-ovoid, ca. 0.8 mm, compressed, oblique, spinulose-verrucose. Fl. Jun-Sep, fr. Sep-Nov.

Shaded moist places in broad-leaved forests; 300-1500 m. S Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, S Henan, Hubei, Hunan, Jiangxi, Sichuan, Taiwan, Zhejiang [Japan].