Nutlets 4, lower 2 sometimes undeveloped, obovoid, dorsiventrally flattened, with special pore of funicle bundle;

 
  • 小坚果4,更低的2有时不发达,倒卵球形,背面使变平,用珠柄包的特别的毛孔;
今日热词
目录 附录 查词历史