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词汇 valvate
释义

Definition of valvate in English:

valvate

adjective ˈvalveɪtˈvælveɪt
Botany
  • (of sepals or other parts) having adjacent edges abutting rather than overlapping.

    〔植〕镊合状的,瓣裂的。比较IMBRICATE

    Compare with imbricate
    Example sentencesExamples
    • Terminal buds bear imbricate, scaly buds except in the bitternut hickory which has valvate or foliate buds.
    • If buds are present, it is easy to distinguish the valvate, bright yellow buds of Carya cordiformis from the other Carya species, which have ovate buds with overlapping brown scales.
    • The petals have very brief valvate apices.
    • The perianth is commonly uniseriate, consisting of 3-5 valvate, basally connate sepals, but sometimes an equal number of petals are also present.
    • The flowers display valvate, distinct, or connate sepals and petals.

Origin

Early 19th century: from Latin valvatus 'having folding doors', from valva 'valve'.

Definition of valvate in US English:

valvate

adjectiveˈvælveɪtˈvalvāt
Botany
  • (of sepals or other parts) having adjacent edges abutting rather than overlapping.

    〔植〕镊合状的,瓣裂的。比较IMBRICATE

    Compare with imbricate
    Example sentencesExamples
    • If buds are present, it is easy to distinguish the valvate, bright yellow buds of Carya cordiformis from the other Carya species, which have ovate buds with overlapping brown scales.
    • Terminal buds bear imbricate, scaly buds except in the bitternut hickory which has valvate or foliate buds.
    • The flowers display valvate, distinct, or connate sepals and petals.
    • The perianth is commonly uniseriate, consisting of 3-5 valvate, basally connate sepals, but sometimes an equal number of petals are also present.
    • The petals have very brief valvate apices.

Origin

Early 19th century: from Latin valvatus ‘having folding doors’, from valva ‘valve’.

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