About Trichostema microphyllum K.S.McClell., 2023
Trichostema microphyllum is an aromatic herb that belongs to the mint family, with the characteristic opposite leaves and square stems of the group. As its specific epithet suggests, the leaves of this species are relatively small when compared to the leaves of its close relatives. Its flowers are bilaterally symmetrical and grow in axillary clusters, which matches the traits of other members of the genus Trichostema. Features of the leaves, calyx, and inflorescence are the diagnostic morphological traits that distinguish this species from related taxa, with full details provided in the original species description. This species is endemic to Florida, where it grows in sandy upland habitats. These habitats include scrub and sandhill communities that experience periodic fire. Its known range is limited to the Brooksville Ridge and surrounding sandy uplands in Florida, which demonstrates this species' specialized habitat requirements.
