芡米(Euryale ferox Salisb)又名鸡头米、红莲子等[1],睡莲科芡属一年生大型水生草本植物[2]。芡米根状茎粗壮不明显[3],叶有二型:初生叶为沉水叶,呈箭形或椭圆肾形;次生叶为浮水叶革质,为椭圆肾形至圆形;叶柄和花梗粗壮[4],直径可达130厘米[5];花长大约5厘米;花瓣紫红色;没有花柱,花柱柱头为红色;[2];浆果鸡头状,海绵质,外有皮刺,暗紫红色,种子球形,坚硬、黑色。花期6~9月,果期7~10月[6]。
芡米喜温暖、阳光充足的地方,其既不耐寒也不耐旱[7]。芡米用种子繁殖,栽培方法有直播法和育苗移栽法两种。芡米有南芡与北芡之分[8]。南芡又称苏芡,主产江苏太湖地区,适宜水田或浅水塘中种植,为优良品种。北芡又称刺芡,主产江苏洪泽湖地区,能在深水湖泊中种植,品质较次[9]。中国为芡的原产地之一,中国利用芡的历史约有3000多年[10]。
芡米的用途较广。芡米可供食用和酿酒,亦可入药。芡壳可作燃料。嫩叶柄、花梗和果皮都可以作蔬菜炒食,或作腌咸菜。地下茎肥大,富含淀粉,煮食如芋。全株还可作饲料和肥料[11]。芡米性甘、涩,平。归脾、肾经。芡米有益肾固精,补脾止泻,除湿止带的功效[12]。可用于遗精滑精,遗尿尿频,脾虚久泻,白浊,带下等证。麸炒后性偏温,补脾和固涩作用增强,适用于脾虚之证和虚多实少者,主要用于脾虚泄泻和肾虚精关不固的滑精,也可用于脾虚带下[3]。
鸡头米目录
即新鲜芡实,又名鸡头肉,俗称鸡头,果实呈圆球形,尖端突起,状如鸡头,有健脾益气,固肾涩精等作用。
鸡头米为苏州葑门南塘特产,每年中秋前后上市,在苏州有“南塘鸡头大塘藕”的美誉。清沈朝初《忆江南》云:“苏州好,葑水种鸡头,莹润每疑珠十斛,柔香偏爱乳盈瓯,细剥小庭幽。”
芡实(Euryale ferox),又名鸡头米,睡莲科芡属一年生大型水生草本植物。根须状,白色。根状茎短缩,叶从短缩茎上抽出,初生叶箭形,过渡叶盾形,定形叶圆形,叶面绿色,皱缩,光亮,背面紫红色,网状叶脉隆起,形似蜂巢。花单生。浆果球形,每果含种子160~200粒,豌豆状,种仁黄色,称为"芡米"。花果期7~9月。性喜温暖水湿,不耐霜寒。
相关简介
参考资料 12
- 芡实知多少 — 澎湃新闻
- Euryale ferox — 植物智
- 鸡头米——芡实 — 首都医科大学中医门诊部
- 芡Euryaleferox — 植物智
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- 当季采摘 高邮湖新鲜芡实米 — 网易
- 【道地药材】芡实 — 苏州市中医医院药学部
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