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plumule

/ploom-yool/US // ˈplum yul //UK // (ˈpluːmjuːl) //

胚胎,梅花桩,梅花鹿,胚芽

Related Words

Definitions

n.名词 noun
  1. 1
    • : Botany. the bud of the ascending axis of a plant while still in the embryo.
    • : Ornithology. a down feather.

Synonyms & Antonyms

Examples

  • The plumule consists of successive layers of rudimentary leaves, the outer enclosing the rest (Fig. 10, 1, c).

  • The terminal growing bud of the axis is called the plumule or gemmule (g), and represents the ascending axis.

  • Within the cotyledons the primordial leaves are seen, constituting the plumule or first bud of the plant.

  • Radicle hardly any; cotyledons thick and fleshy, enclosing a well-developed plumule.

  • Embryo thick and fleshy, "with a large concealed cavity at the summit, the plumule curved in a groove on the outside."