Used Occasionally. protozoa is one of the 30000 most commonly used words in the Collins dictionary.
It is a species of hardy deciduous flowering shrub in the genus Dasiphora (formerly Potentilla) of the family Rosaceae, native to the cool temperate and subarctic regions of the northern hemisphere, often growing at high altitudes in mountains.
No less than six species belonging to the perilla genus are used by people for various purposes. This aromatic herb is native to a vast region in Asia that covers large tracts from India to Japan. Perilla is a fast growing annual plant that reaches a height of anything between 50 cm and 150 cm. As far as its appearance is concerned, this herb bears some resemblance to coleus and basil with large leaves. In fact, perilla is related to basils.