sympodial
/ˌsɪmpəˈdaɪəl/Definitions
1. adjective
Describing a type of branching plant, such as a cactus, where the stems arise from the base and grow from a central point, producing new stems at the tips.
“The gardeners were amazed by the sympodial structure of the new cactus species.”
2. noun
A sympodial plant or the characteristic of being sympodial.
“The sympodium of the plant was a remarkable sight.”