1.茎或叶状体的包围藏卵器的管状扩张部2.果壸
叶状体植物
thallose
thallophyte
thallophytes
Thallophyta
thalloid plant
叶状体
thallus
natural seawater
gametophytic blade
leaf-shaped body
blade
frond
Leafy phase
thalloid
thalliform
叶状铜
flaky copper powder
leaflike copper
叶状绒毛膜
chorion villosum
chorion laeve
chorion frondosum