prophyll

基本解释

• 先出叶

同根派生

英汉例句

• Rhizomes prostrate, 0.5-1.5 mm in diam., internodes 5-30 mm, nodes with 1 prophyll and 2 fine roots.
  根茎匍匐，直径0.;5-1
• prophyll keels delicate, slightly ciliate.
  精美的先出叶龙骨，稍具缘毛。
• branches with 1 prophyll, stellately pubescent when young, glabrescent.
  分枝具1先出叶，星状的幼时具短柔毛，后脱落。
• branches arising singly from nodes and subtended by a leaf sheath and 2-keeled prophyll, often fascicled in bamboos.
  枝条从节上发出，并被叶鞘和内稃包围，通常在竹子内簇生。
• 18(17) Inflorescence subtended by a broad, 2-keeled prophyll; rachilla internodes usually distinct and disarticulating.
  花序被包着以一宽阔的部分，2龙骨状；小穗轴节间通常清楚和脱节。