1. A type of flower cluster in which the main stem terminates in a flower and is flanked by two lateral branches, each of which also terminates in a flower and produces two further branches.
Usage: botanical term; also called a dichotomous cyme

Examples

• The dichasium is a common inflorescence pattern in many flowering plants.
• In a dichasium, each flowering axis branches into exactly two lateral axes.
• Botanists use the dichasium structure to classify and identify certain plant species.
• The dichasium differs from other cyme types in its symmetrical branching pattern.