栽培大豆次生结构中的次生维管射线的数目多，每一射线都由多列细胞组成，而野生大豆维管射线数目少且由一列射线细胞组成。
There were more secondary vascular rays , which consisted of multiserial cells in cultured soybean . In wild soybean there were less vessel rays , which consisted of uniseriate ray cells .
维管射线