calyptra
基本解釋
- n[植].；蘚帽；冠狀部
英漢例句
- 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頂帽子(帽狀體)的蓋。 - Calyx lobes (3 or)4 or 5 or more, distinct or connate into a calyptra.
萼裂片(3-)4-5或更多，離生或者合生成帽狀體。 - 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.
第一葉突出帽狀體之后，由第一葉基部保留下來的莖干頂端細胞產生第二葉。 - Petals 4 or 5, valvate in bud, connate apically and forming a calyptra, falling early.
花瓣4或5，在芽中鑷合狀，合生頂部和形成帽狀體，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，離生，很少合生和形成的一帽狀體，卵形的或匙形，鑷合狀。