Thespesia populne is an evergreen, flowering, perennial tree with a compact shape and dense rounded canopy on a low, thick, sometimes twisted trunk and branches that cross over each other in an often confusing way. Grow between 6-10m tall with a 5m spread and a 20- 30cm diameter trunk.
Noted as reaching 18-20m tall with a 6cm spread and a 75 m trunk diameter in it native habitat. Fast-growing at a rate of 0.6-1 m p/a for the e first 3 to 5 years with growth slowing g after 7 years or more.