Sedum lineare (lat. Sedum lineare) — dovşankələmikimilər fəsiləsinin sedum cinsinə aid bitki növü.
Sedum lineare (lat. Sedum lineare) — dovşankələmikimilər fəsiləsinin sedum cinsinə aid bitki növü.
Sedum lineare also known as carpet sedum, needle stonecrop or sea urchin, is a sedum originating in East Asia.
It has been proposed as an ideal plant for the "greening" of flat-roofed buildings in Shanghai, China, due to factors such as its ability to tolerate cold and drought, little need for soil and its roots' lack of penetrating ability,[1]
Sedum lineare also known as carpet sedum, needle stonecrop or sea urchin, is a sedum originating in East Asia.
It has been proposed as an ideal plant for the "greening" of flat-roofed buildings in Shanghai, China, due to factors such as its ability to tolerate cold and drought, little need for soil and its roots' lack of penetrating ability,
Sedum lineare là một loài thực vật có hoa trong họ Crassulaceae. Loài này được Thunb. miêu tả khoa học đầu tiên năm 1784.[1]
Sedum lineare là một loài thực vật có hoa trong họ Crassulaceae. Loài này được Thunb. miêu tả khoa học đầu tiên năm 1784.
佛甲草(學名:Sedum lineare,英文名稱:Buddhanail、Linear Stonecrop)[4],為景天科景天屬植物[4]。本種的模式標本採自於日本 [5]。
佛甲草(在日本被稱為万年草)有諸多異稱,如(按筆畫排列):土三七、小佛指甲、小馬齒菜、小葉刀焮草、山馬齒菜、午時花、半支連、半支蓮、打不死、瓜只玉、禾雀舌、禾雀利、禾雀脷、尖葉六兒令、尖葉石指甲、伸甲草、佛甲菜、佛指甲、垂盆草、狗牙半枝、狗牙半枝蓮、狗牙菜、狗牙齒、狗牙辦、狗牙瓣、肩癰草、金刺插、金莿插、金槍藥、指甲草、窄葉小六兒令、細葉打不死、野馬齒菜、麻雀舌、麻雀花、萬年草、鼠牙半支、鼠牙半支蓮、鼠牙半枝蓮、圖經草、還魂草、龍牙草、鐵指甲等[3][4]。
本種現分佈於中國、中国台灣及日本等地,中國國內分佈於廣東、廣西、福建、雲南、貴州、四川、甘肅、安徽、河南、湖南、湖北、陝西、江西、江蘇、浙江等省區[1],本種耐旱及同時喜水[6],喜生於低山的山坡、草坡、山谷岩石縫及山野等陰濕處[4][5],亦人工栽培作綠化屋頂之用[6][7]。
佛甲草是一種多年生肉質草本植物[4],全株無毛[8],光滑[9],植株高約10-20厘米。莖直立或傾臥[4],肉質[10],纖細柔弱,基部節上長有纖維狀不定根[10][11],上部分枝[12];不育枝直立[9] 或斜生[10],高約7-10厘米[9]。[5]
葉為線形至倒披針形[8],3葉輪生,少為4葉對生或輪生[4],肉質肥厚[4][12],頂端鈍[11]或急尖[13],基部鈍圓或具截形的短距[10][13],無柄;長於花莖上部的葉片互生[8],易脫落,常呈楔形[9];長約10[8]-25[4]毫米,寬約0.6[8]-2[11]毫米。[5]
花為聚傘花序,頂生,疏生花,寬約4-8厘米[5];常為2-3枚分枝[11],分枝常再2分枝[4],常僅中央一枚花朵具短梗[4][11],花梗長約1-1.5毫米,分枝上的花無梗[10] 或近無梗[11];苞片線形,較小[11],具距[10];花萼片5裂,綠色[12],裂片線狀披針形[4],肉質[12],頂端鈍,基部不具距[8] 或有時具短距[4],常為不等長[13],長約1.5-7毫米[12],寬約0.5-0.7毫米[10];花瓣5枚,黃色,卵狀披針形,頂端漸尖並具突尖頭[8],基部稍狹,長約4-6毫米[10],寬約0.8[10]-2[11]毫米;雄蕊10枚,較花瓣短,2輪排列,內輪的雄蕊著生於花瓣基部約1毫米處[10];花藥長圓形,頂端鈍[8];鱗片5枚,寬楔形、近四方形匙狀[8] 或楔狀倒三角形[10],頂端微缺或截形[10],長約0.4[8]-0.5[11]毫米,寬約0.5-0.6毫米[4];心皮5枚,開展,頂端漸狹成短花柱,基部合生[13],內有數枚胚珠,長約4-5毫米[12]。[5]
果為蓇葖果,五角星狀[13],略叉開[10],腹面呈淺囊狀[12],具短喙[12],長約4-5毫米[12];種子卵圓形,細小,表面具小乳頭狀突起[11]。[5]
本種以乾燥根莖及葉入藥,中藥名為佛甲草,味甘、淡,性寒,歸心、肺、肝、脾經[14] 具清熱解毒、利濕及止血等功效,主治咽喉腫痛、熱毒癰腫、目赤腫痛、濕熱瀉痢、黃疸、崩漏、疔瘡、丹毒、纏腰火丹、毒蛇咬傷、外傷出血、燙傷、扁平疣等症狀[4],脾胃虛寒、瀉泄者忌用[15]。