常見(jiàn)例句Any of various North American plants of the genera Rudbeckia,Ratibida,and Echinacea in the composite family,having disk flowers on a cone-shaped central receptacle surrounded by colorful ray flowers. 錐光菊,任一種產(chǎn)于北美的金光菊屬和松果菊屬混合種植物,在被傘狀小花包圍的錐狀中心花托上開(kāi)有盤(pán)狀花朵。Rudbeckia laciniata L. ,以 葉 入藥。Rudbeckia hirta L. 金光菊Any of various North American plants of the genera Rudbeckia, Ratibida, and Echinacea in the composite family, having disk flowers on a cone-shaped central receptacle surrounded by colorful ray flowers. 錐光菊任一種產(chǎn)于北美的金光菊屬和松果菊屬混合種植物,在被傘狀小花包圍的錐狀中心花托上開(kāi)有盤(pán)狀花朵The influence of greenhouse environment on the growth of in Rudbeckia hirta, a biennial herbaceous flower was studied through comparative experiments conducted in a greenhouse and in the open air. 以二年生草本花卉黑心菊為材料;通過(guò)溫室栽培和露天栽培之間的比較實(shí)驗(yàn);研究了溫室環(huán)境對(duì)其生長(zhǎng)的影響.ground-cover chrysanthemum (Rudbeckia hirta Linn.) 地被菊 返回 rudbeckia