德鲁撒型变型胚囊中具有4 ~ 11个反足细胞。
There are 4 ~ 11 antipodal cells in embryo sac of Drusa type.
大孢子四分体为线形，合点端功能大孢子发育成为蓼型胚囊。
Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.
成熟胚囊为蓼型胚囊，它包括卵器，一个中央细胞和三个反足细胞。
The mature embryo sac contains an egg apparatus, a central cell and three antipodal cells.
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