传粉后约周,珠心顶端破裂,分泌物进入珠孔道,并与珠被分泌物共同作用于花粉,使花粉向珠心移动。
About weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.
传粉后约4周,珠心顶端破裂,分泌物进入珠孔道,并与珠被分泌物共同作用于花粉,使花粉向珠心移动。
About 4 weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.
吸蜜小鹦鹉一种澳大拉西亚的色彩艳丽的鹦鹉,具有刷子一样尖端的舌头,用于食花蜜和花粉。
Any of various brightly colored Australasian parrots having a tongue with a brushlike tip that is used to feed on nectar and pollen.
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