• Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.

    孢子四分体线形,合点功能大孢子发育成为蓼胚囊

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  • Megaspore tetrad is linear. the chalazal megaspore develops into an embryo sac of polygonum type. Hypostase and special integument tapetum exist in the ovule.

    胞子四分体线形排列,合点端大孢子功能大孢子,胚囊发育类型为蓼型,具有特化被绒毡层承珠盘。

    youdao

  • Megaspore tetrad is linear. the chalazal megaspore develops into an embryo sac of polygonum type. Hypostase and special integument tapetum exist in the ovule.

    胞子四分体线形排列,合点端大孢子功能大孢子,胚囊发育类型为蓼型,具有特化被绒毡层承珠盘。

    youdao

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