Decorative items carved from ivory nut or vegetable ivory, the hard endosperm found in seeds of the tagua palm , March 14, 1946. Purchased by Field...
seed, castor bean (ricinus communis), wheat (triticum vulgare), cocklebur (xanthium strumarium), spiderwort (tradescantia virginiana), onion (allium cepa) germination study - 胚乳 幅插畫檔、美工圖案、卡通及圖標
old engraved illustration of botany, the endosperm, a tissue produced inside the seeds of most of the flowering plants following double fertilization - 胚乳 個照片及圖片檔
microscopic view of anthrax. anthrax is an acute disease caused by the bacterium bacillus anthracis. - 胚乳 幅插畫檔、美工圖案、卡通及圖標
microscopic view of anthrax. anthrax is an acute disease caused by the bacterium bacillus anthracis. - 胚乳 幅插畫檔、美工圖案、卡通及圖標
microscopic view of anthrax. anthrax is an acute disease caused by the bacterium bacillus anthracis. - 胚乳 幅插畫檔、美工圖案、卡通及圖標
