pinnule

英

美

网络  小羽片; 羽支; 羽枝

复数：pinnules　

英英释义

noun

• division of a usually pinnately divided leaf
  Synonym:pinna

双语例句

• The sori are borne on the abaxial surface of the pinnule, arranged in two rows parallel to the midvein, elliptic, and composed of 4-10 round sporangia.
  囊群椭圆形，由4～10个孢子囊组成，着生于小羽片背面，位于中脉的两侧；