更多plumule例句

1. The plumule consists of successive layers of rudimentary leaves, the outer enclosing the rest (Fig. 10, 1, c).
2. The terminal growing bud of the axis is called the plumule or gemmule (g), and represents the ascending axis.
3. Within the cotyledons the primordial leaves are seen, constituting the plumule or first bud of the plant.
4. Radicle hardly any; cotyledons thick and fleshy, enclosing a well-developed plumule.
5. Embryo thick and fleshy, "with a large concealed cavity at the summit, the plumule curved in a groove on the outside."