calyptra
基本解释
- n[植].;藓帽;冠状部
英汉例句
- Petals united at apex and shed as a cap (calyptra) at anthesis.
花瓣在先端合生和棚在花期形成一顶帽子(帽状体)的盖。 - Calyx lobes (3 or)4 or 5 or more, distinct or connate into a calyptra.
萼裂片(3-)4-5或更多,离生或者合生成帽状体。 - The second leaf takes place at the basal part of the first leaf and originates from the shoot apex cells when the first leaf pierces the calyptra.
第一叶突出帽状体之后,由第一叶基部保留下来的茎干顶端细胞产生第二叶。 - Petals 4 or 5, valvate in bud, connate apically and forming a calyptra, falling early.
花瓣4或5,在芽中镊合状,合生顶部和形成帽状体,早下降。 - Corolla lobes 4 or 5, free, rarely connate and forming a calyptra, ovate or spatulate, valvate.
花冠裂片4或5,离生,很少合生和形成的一帽状体,卵形的或匙形,镊合状。