Plumule vs. Radicle

Plumulenoun

(botany) The first bud, or gemmule, of a young plant; the bud, or growing point, of the embryo, above the cotyledons.

Plumulenoun

(zoology) One of the featherlike scales of certain male butterflies.

Plumulenoun

The first bud, or gemmule, of a young plant; the bud, or growing point, of the embryo, above the cotyledons. See Illust. of Radicle.

Plumulenoun

A down feather.

Plumulenoun

down feather of young birds; persists in some adult birds

Radiclenoun

(botany) The rudimentary shoot of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the root of the embryo.

Radiclenoun

(botany) A rootlet.

Radiclenoun

(chemistry) radical

Radiclenoun

(anatomy) a small structure resembling a rootlet (such as a fibril of a nerve)

Radicle

In botany, the radicle is the first part of a seedling (a growing plant embryo) to emerge from the seed during the process of germination. The radicle is the embryonic root of the plant, and grows downward in the soil (the shoot emerges from the plumule).