《中国植物志》|| 十字花科 CRUCIFERAE ||碎米荠组 Sect. Cardamine ||水田碎米荠 Cardamine lyrata Bunge

30. 水田碎米荠（江苏南部种子植物手册）小水田荠（江苏植物名录、植物学大辞典）、水田荠（种子植物名称补编）、奥存一照古其（蒙名）图版54：1
Cardamine lyrata Bunge in Mem. Acad. Sci. St. Petersb. 2: 79. 1833; Maxim. in Bull. Acad. Sci. St. Petersb. 18: 278. 1872; O. E. Schulz in Engl. Bot. Jabrb. 32: 504. 1903; N. Busch, Fl. Sib. et Orient. Extr. 2: 254. 1915; Hand. -Mazz. Symb. Sin. 7: 360. 1931; T. Y. Cheo in Bot. Bull. Acad. Sin. 2: 187. 1948; 江苏南部种子植物手册321. 图510. 1959; 东北植物检索表106. 图版24. 图5. 1959; 中国高等植物图鉴2: 54. 图1838. 1972; 内蒙古植物志2: 349. 1978; 湖北植物志2: 45. 图741. 1979; 东北草本植物志4: 112. 图版64. 1980。
多年生草本，高30-70厘米，无毛。根状茎较短，丛生多数须根。茎直立，不分枝，表面有沟棱，通常从近根状茎处的叶腋或茎下部叶腋生出细长柔软的匍匐茎。生于匍匐茎上的叶为单叶，心形或圆肾形，长1-3厘米，宽7-23毫米，顶端圆或微凹，基部心形，边缘具波状圆齿或近于全缘，有叶柄，柄长3-12毫米，有时有小叶1-2对；茎生叶无柄，羽状复叶，小叶2-9对，顶生小叶大，圆形或卵形，长12-25毫米，宽7-23毫米，顶端圆或微凹，基部心形、截形或宽楔形，边缘有波状圆齿或近于全缘，侧生小叶比顶生小叶小，卵形、近圆形或菱状卵形，长5-13毫米，宽4-10毫米，边缘具有少数粗大钝齿或近于全裂，基部两侧不对称，楔形而无柄或有极短的柄，着生于最下的1对小叶全缘，向下弯曲成耳状抱茎。总状花序顶生，花梗长5-20毫米；萼片长卵形，长约4.5毫米，边缘膜质，内轮萼片基部呈囊状；花瓣白色，倒卵形，长约8毫米，顶端截平或微凹，基部楔形渐狭；雌蕊圆柱形，花柱长约为子房之半，柱头球形，比花柱宽。长角果线形，长2-3厘米，宽约2毫米；果瓣平，自基部有1条不明显的中脉；果梗水平开展，长12-22毫米。种子椭圆形，长约1.6毫米，宽约1毫米，边缘有显著的膜质宽翅。花期4-6月，果期5-7月。
产黑龙江、吉林、辽宁、河北、河南、安徽、江苏、湖南、江西、广西等省区。生于水田边、溪边及浅水处。苏联西伯利亚东部、南部（模式标本采地），以及朝鲜、日本均有分布。
幼嫩的茎叶可供食用；也可入药，有清热去湿之效。

《Flora of China》|| Brassicaceae || Cardamine ||水田碎米荠 Cardamine lyrata

29. Cardamine lyrata Bunge, Mém. Acad. Imp. Sci. St.-Pétersbourg. ser. 6, Sci. Math. 2: 29. 1833.

水田碎米荠 shui tian sui mi ji

Cardamine argyi H. Léveillé.

Herbs perennial, (20-)30-70(-80) cm tall, glabrous throughout. Rhizomes short, thick, not scaly. Stolons from rhizome or lower to middle stem nodes, to 80 cm. Stems erect, simple, striate angled, 8-15-leaved. Leaves on stolons simple or rarely with a basal pair of auriclelike leaflets; petiole 3-12 mm; leaf blade suborbicular, cordate, or reniform, (0.7-)1-2.2(-3) × 0.7-2(-2.3) cm, margin repand or entire, apex rounded. Cauline leaves sessile, middle ones (1.5-)3-5(-7) cm; terminal leaflet orbicular, ovate, or rarely oblong, 1-3 × (0.8-)1-3 cm, with a petiolule (0.3-)0.5-1.5(-2) cm, base cordate, subtruncate, or obtuse, margin repand or subentire, apex rounded; lateral leaflets 2-5 pairs, much smaller than terminal one, ovate, suborbicular, or oblong-ovate; proximal pair of lateral leaflets auriclelike, attached at or just above node, often giving appearance of amplexicaul leaf base. Fruiting pedicels (0.7-)1-2(-2.5) cm, slender, divaricate, usually straight. Sepals ovate, 3-3.5 × 1-1.5 mm, margin membranous, lateral pair subsaccate. Petals white, obovate, 7-10 × 3-4 mm, not clawed, apex rounded or emarginate. Filaments slightly spreading, median pairs 4-5 mm, lateral pair 2.5-3.5 mm; anther narrowly oblong, 1-1.5 mm. Ovules 14-18 per ovary. Fruit linear, strongly flattened, (1.5-)2-3(-3.5) cm × 1.5-2 mm; valves smooth, glabrous; styles slender, 1.5-3 mm. Seeds brown, oblong, 2-3 × 1-2 mm, winged all around; wing to 1 mm wide. Fl. Apr-Jun, fr. May-Jul.

Moist places, streamsides; near sea level to 1000 m. Anhui, Fujian, Guangxi, Guizhou, Hebei, Heilongjiang, Henan, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Shandong, Sichuan, Zhejiang [Japan, Korea, Russia].

Although the type of Cardamine argyi was collected from Jiangsu, Argy s.n. (holotype, E), the name was not listed in FRPS or any provincial Chinese flora.