原级：triforium
1. The nectary morphology of Sagittaria triforia female flowers were studied using paraffin section and histochemistry methods.
应用石蜡切片和组织化学方法，对慈姑雌花蜜腺的形态结构进行了研究。
2. Its cytoplasm were denseness and the karyons were big. It was speculated that the nectaries of Sagittaria triforia were degenerated from androeciums.
根据其蜜腺的位置及结构，可以推测其蜜腺可能是由花的雄蕊退化而成的。