monochasium
/ˌmɑnəˈkeɪʒəm/
noun
- A type of flower cluster (inflorescence) in which the main stem ends in a flower and each subsequent branch produces only one new branch, forming a one-sided or coiled cluster.
- The botany student learned that a monochasium can be either helicoid or scorpioid, depending on the direction of branching.
- In the field guide, the diagram of a monochasium showed how the flowers formed a curved, scorpioid shape.
- The gardener identified the plant's flower cluster as a monochasium because each new bloom appeared on a single side branch.