noun, noun or participle which takes 'suru', intransitive verb
alternate phyllotaxis; alternate leaf arrangement
Botanical term describing leaves arranged singly at different heights on the stem, not in opposite pairs or whorls. Used as a noun or with する to describe the state of being alternate.
この植物の葉は互生している。
The leaves of this plant are arranged alternately.
互生
Alternate phyllotaxis is one of the most common leaf arrangements.