The flowers are usually in groups of two or three. The calyx and corolla are two-lipped. The outside of the tube and throat are white with the lobes and lips lavender blue at the tips. The lower lip of the corolla is three-lobed with a band of purple dots extending along its inner side. The four stamens are paired.
Many flowers are male sterile.
Apalachicola rosemary occurs in an area of several square miles in Liberty County, Florida. Most Apalachicola rosemary, however, occurs on commercial timberland. Currently, the plant is known from seven sites. The population estimate is greater than 10,000 individual plants. Populations are located in a gently undulating upland originally with longleaf pine-wiregrass vegetation, dissected by ravines of the Sweetwater Creek system, which drain westward to the Apalachicola River.