In later June, stamen primodium was differentiated in the bract of male inflorescence and the differentiation of bract was generated in female inflorescence. 6月中下旬,雄花序苞片上分化出雄蕊原基,雌花序分化出苞片。
For example, the spiral arrangement of scale-bract complexes on ovule-bearing pine cones, where the female reproductive organs of conifers are located, is important to the production of airflow patterns that spiral over the co 例如,带有胚珠的松球的鳞苞综合体的螺旋状安排,亦即松柏目植物雌性殖器官的所在位置,对于气流模式的形成与产生殊为重要,而这些气流模式在松球的表现盘旋上升,从而把在空气中飞行的花粉从一个鳞苞传播至下一个鳞苞。
bract
[ noun ] a modified leaf or leaflike part just below and protecting an inflorescence <noun.plant>
Bract \Bract\, n. [See {Bractea}.] (Bot.) (a) A leaf, usually smaller than the true leaves of a plant, from the axil of which a flower stalk arises. (b) Any modified leaf, or scale, on a flower stalk or at the base of a flower.
Note: Bracts are often inconspicuous, but sometimes large and showy, or highly colored, as in many cactaceous plants. The spathes of aroid plants are conspicuous forms of bracts. ※ ||