The character of macrospore in development were as followed: anatropal ovule, basal placenta, thick nucellar, two integument, megaspore mother cell coming directly from archesporial cell, early degenerating antipodal cell, thedevelopment of the embryo sac being conformed as the polygonum type.
雌配子体发育的特点是:倒生胚珠、基底胎座、厚珠心、双珠被、孢原细胞直接长大成大孢子母细胞、反足细胞退化早,胚珠发育为蓼型。
The development of embryo sacs of'Ziyingui'belonged to polygonum type.
籽银桂的胚囊发育类型为蓼型。
Effects of meteorological factors and mineral elements on the content of resveratrol in Polygonum cuspidatum rootstalk
气象因子和矿质元素对虎杖根茎白藜芦醇含量的影响
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