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词汇 raceme
释义

Definition of raceme in English:

raceme

noun ˈrasiːmrəˈsiːm
Botany
  • A flower cluster with the separate flowers attached by short equal stalks at equal distances along a central stem. The flowers at the base of the central stem develop first.

    〔植〕总状花序。比较CYME 和SPIKE 2

    Compare with cyme and spike
    Example sentencesExamples
    • In both experiments, flowers on racemes from main stem nodes in the middle of the canopy were tagged before anthesis and their development and growth were monitored.
    • The flowers grow in a raceme, an unbranched stalk that blooms from the bottom up.
    • All three species have similar flower phenology: in general, the terminal raceme matures acropetally and the flowers are first staminate, then pistillate, and the sexual stages do not overlap within the flower.
    • In summer, the tall flower stems bear racemes of up to 20 huge, strongly perfumed, white, trumpet-shaped flowers with glossy green leaves.
    • Flowers emerge on terminal racemes and are subtended by small bracts.
    Synonyms
    bunch, clump, collection, mass, knot, group, clutch, bundle, nest

Origin

Late 18th century: from Latin racemus 'bunch of grapes'.

Definition of raceme in US English:

raceme

noun
Botany
  • A flower cluster with the separate flowers attached by short equal stalks at equal distances along a central stem. The flowers at the base of the central stem develop first.

    〔植〕总状花序。比较CYME 和SPIKE 2

    Compare with cyme and spike
    Example sentencesExamples
    • In summer, the tall flower stems bear racemes of up to 20 huge, strongly perfumed, white, trumpet-shaped flowers with glossy green leaves.
    • The flowers grow in a raceme, an unbranched stalk that blooms from the bottom up.
    • Flowers emerge on terminal racemes and are subtended by small bracts.
    • All three species have similar flower phenology: in general, the terminal raceme matures acropetally and the flowers are first staminate, then pistillate, and the sexual stages do not overlap within the flower.
    • In both experiments, flowers on racemes from main stem nodes in the middle of the canopy were tagged before anthesis and their development and growth were monitored.
    Synonyms
    bunch, clump, collection, mass, knot, group, clutch, bundle, nest

Origin

Late 18th century: from Latin racemus ‘bunch of grapes’.

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