| General Description | Calyptranthes thomasiana is an evergreen shrub or small tree, that can reach 10 meters in height. It has oppositely arranged leaves with oval blades 2 to 4 cm in length, that are shiny green and glandular. The plant is naturally rare but habitat loss has directly contributed to its decline. |
| Cultivation | Found in dry to moist forests. |
| Pests | Activity on nearby roads, feral pigs, donkeys and goats pose as threats. |
| Notable Specimens | British Virgin Islands on the island of Tortola within the Sage Mountain National Park. Ex situ collections at the J.R. O’Neal Botanic Gardens. |
| Flower/Leaf Bud Description | Egg-shaped with a pointed tip. |
| Leaf Description | Oppositely arranged leaves with oval blades 2 to 4 cm in length, that are shiny green, glandular and leathery on the upper surface but dull on the lower, rounded at the tip. |
| Flower Description | Flowers have four spoon shaped petals and grow in clusters or inflorescences. Forming at the tip of a growing stem and on the branches below. |
| Fruit Description | Contains one or two seeds. |
| Colour Description | Leaves are shiny green on the upper surface but a dull green on the lower. |
| Texture Description | Leaves are leathery in texture. |