No evidence of a tropical origin for this cyclone has been found.

The authors suggest the species is likely of tropical origin.

Despite its tropical origin the plant is frost hardy.

Given their tropical origins they also require protection from cold when cultivated.

Because of their tropical origins, peacock bass cannot tolerate low water temperatures.

These plants are of tropical origin, they grow best in full sunlight.

Myanmar has a wide range of fruits, and most are of tropical origin.

It was a hurricane-like storm but likely not of tropical origins, given the time of year.

Since it is of tropical origin, it flowers best under a summer short day photoperiod.

Because of its tropical origin, this butterfly is unable to winter in the north.